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This article was downloaded by: [Polak, Marike]On: 25 November 2009Access details: Access Details: [subscription number 917131649]Publisher RoutledgeInforma Ltd Registered in England and Wales Registered Number: 1072954 Registered office: Mortimer House, 37-41 Mortimer Street, London W1T 3JH, UK
Psychotherapy ResearchPublication details, including instructions for authors and subscription information:http://www.informaworld.com/smpp/title~content=t713663589
The developmental profile: Validation of a theory-driven instrument forpersonality assessmentMarike Polak a; Henricus L. Van b; Joanneke Overeem-Seldenrijk c; Willem J. Heiser a; Robert E.Abraham d
a Psychometrics and Research Methodology, University of Leiden, Leiden b Mentrum Mental HealthHospital, Amsterdam c J&S Consultancy, Leiden d Clinical Psychiatry and Psychotherapy, LeidenUniversity Medical Centre, Leiden, the Netherlands
First published on: 25 November 2009
To cite this Article Polak, Marike, Van, Henricus L., Overeem-Seldenrijk, Joanneke, Heiser, Willem J. and Abraham,Robert E.(2009) 'The developmental profile: Validation of a theory-driven instrument for personality assessment',Psychotherapy Research,, First published on: 25 November 2009 (iFirst)To link to this Article: DOI: 10.1080/10503300903352701URL: http://dx.doi.org/10.1080/10503300903352701
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The developmental profile: Validation of a theory-driven instrumentfor personality assessment
MARIKE POLAK1, HENRICUS L. VAN2, JOANNEKE OVEREEM-SELDENRIJK3,
WILLEM J. HEISER1, & ROBERT E. ABRAHAM4
1Psychometrics and Research Methodology, University of Leiden, Leiden; 2Mentrum Mental Health Hospital, Amsterdam;3J&S Consultancy, Leiden & 4Emeritus Professor, Clinical Psychiatry and Psychotherapy, Leiden University Medical Centre,
Leiden, the Netherlands
(Received 22 December 2008; Revision received 16 September 2009; accepted 20 September 2009)
AbstractThe Developmental Profile is an instrument for personality assessment. It covers both maladaptive and adaptivecharacteristics. The current study examined its internal consistency and construct validity in a Dutch sample of 763participants from various clinical and nonclinical settings. The internal consistency reliability estimates were good for theclusters of levels (adaptive, neurotic, and primitive), although not for all separate levels. Confirmatory factor analysisshowed an overall good fit, with the exception of the level of primary narcissism. Furthermore, empirical evidence was foundfor the interpretation of a patient’s Developmental Profile according to increasing levels of aggregation, with as a highestlevel a single maladaptivity�adaptivity scale score. This scale significantly distinguished among different patient groups.
Keywords: psychoanalytic/psychodynamic therapy; personality disorders; statistical methodology; personality
assessment; empirical validation
Personality pathology is generally regarded as one of
the most relevant clinical predictors of the course and
outcome of psychotherapy. The Diagnostic and Sta-
tistical Manual of Mental Disorders (fourth edition
[DSM-IV]; American Psychiatric Association, 1994)
Axis II is still the standard to classify personality
pathology, although from both a scientific and
clinical point of view it is strongly criticized (Widiger,
Simonson, Sirovatka, & Regier, 2006). Among other
things, the categorical classification, the heterogene-
ity within diagnosis, and the absence of defining
normal personality functioning limit its value. Never-
theless, for various personality disorders according to
DSM-IV, psychotherapeutic approaches have been
developed (e.g., Clarkin, Kenneth, Lenzenweger, &
Kernberg, 2007; Giesen-Bloo et al., 2006; Svartberg,
Stiles, & Seltzer, 2004).
However, at the level of case formulation or
planning specific psychotherapeutic strategies, the
utility of Axis II diagnosis can be questioned
(Verheul, 2005), in part, because it does not
operationalize systematically useful clinical concepts
such as interpersonal functioning, coping with stres-
sors, and self-image.
Psychodynamic concepts, although less scientifi-
cally elaborated and rather difficult to measure, are
considered as more closely related to the way clinic-
ians think about patients and to theoretical concepts
that are frequently applied in the psychotherapeutic
practice to understand patients.
A central and distinctive feature of the psychody-
namic approach is to adopt a developmental per-
spective on personality. This implies that personality
grows during life, alongside a line of increasing
maturity. It recognizes that the intrapsychic and
relational level of functioning in an individual are
ultimately determined by the interplay of immature
and mature characteristics. Therefore, both patho-
logical and healthy features of personality need to be
determined in order to obtain a balanced view on the
structure of personality and its role in the therapeutic
process.
An example of such a theoretically and clinically
driven instrument for personality assessment, which
Correspondence concerning this article should be addressed to Marike Polak, Psychometrics and Research Methodology Group, Leiden
University Institute for Psychological Research, Wassenaarseweg 52, PO Box 9555, 230 RB Leiden, the Netherlands.
E-mail: [email protected]
Psychotherapy Research
2009, 1�14, iFirst article
ISSN 1050-3307 print/ISSN 1468-4381 online # 2009 Society for Psychotherapy Research
DOI: 10.1080/10503300903352701
Downloaded By: [Polak, Marike] At: 10:23 25 November 2009
takes a hierarchically arranged view on personality, is
the Developmental Profile (DP; R. E. Abraham,
1993; R. E. Abraham, 2005; R. E. Abraham et al.,
2001). Aspects of the predictive value have been
studied and have yielded promising results:
for instance, the prediction of dropout during
clinical psychotherapy (Ingenhoven, Duivenvoorden,
Passchier, & van den Brink, 2009). Furthermore, Van
et al. (2008) and Van, Dekker, Peen, Abraham, and
Schoevers (2009) have demonstrated the predictive
value for outcome of psychotherapy for depression of
some separate developmental lines such as object
relations and problem-solving behavior. In addition,
the DP appeared to be useful in various clinical
settings for determining psychotherapeutic strategies
(Ingenhoven, 2005; Van Marle & Abraham, 2005).
The aim of the current study is to examine the
internal consistency reliability and the construct
validity of the DP. In particular, we seek to validate
the hierarchical structure of the DP, reflecting its
developmental perspective on personality.
Description of the DP
As a frame of reference, the DP uses nine develop-
mental levels and nine developmental lines (see
Appendices A and B).Together, the nine develop-
mental levels and the nine developmental lines form
a matrix of 81 personality characteristics, which
correspond to the items of the DP.
The DP represents an attempt to organize and
standardize psychodynamic personality diagnostics.
As such, the instrument builds on the work of Anna
Freud (1963), Loevinger and Wesseler (1970),
Bellak, Hurulch, and Gediman (1973), Kernberg
(1981), and Luborsky and Crits-Christoph (1990).
The concept of the developmental lines and the term
developmental profile is derived from the work of
Anna Freud (1963). Available descriptions of devel-
opmental stages of behavioral domains were inte-
grated in the DP. The developmental lines of
norms and cognitions correspond to the stages of
moral and cognitive development described by
Kohlberg (1981) and Piaget (1962), respectively.
The developmental levels in the profile matrix are
ordered according to the degree to which they are
associated with the severity of maladaptive psycho-
social functioning. The lowest two levels, Lack of
Structure and Fragmentation, refer to Kernberg’s
(1981) psychotic and borderline personality organi-
zation. The level of Egocentricity refers to narcissis-
tic problems as elaborated by Kohut (1971). The
next three levels*Symbiosis, Resistance, and Riv-
alry*represent the oral, the anal, and the phallic
characters as described by K. Abraham (1925). The
three adaptive levels*Individualization, Solidarity,
Generativity*are based on Erikson’s (1966) model
of adult development.
Clearly, these levels reflect a continuum of severity
from adaptive to very maladaptive levels of person-
ality functioning. The levels are divided into healthy,
neurotic, and primitive or borderline ranges of
personality (Psychodynamic Diagnostic Manual
[PDM] Task Force, 2006, p. 20ff). Neurotic levels
represent conflict pathology. The primitive level that
ranges from the border of neurotic to psychotic
conditions represents developmental deficits. In the
DP this has been operationalized as the primitive
cluster (Lack of Structure, Fragmentation, and
Egocentricity), the neurotic cluster (Symbiosis, Re-
sistance, and Rivalry), and the adaptive cluster
(Individuation, Solidarity, and Generativity).
The developmental levels are not mutually exclu-
sive (Wilson & Gedo, 1993) but indicate a tendency
of behavior. Therefore, at the item level maladaptive
behavior in one domain does not exclude adaptive
behavior in another domain. For instance, the
behavior of a brilliant manager who scores high on
Productivity (61) may also be characterized to a
significant degree by behavior on the Egocentricity
level. This is in accordance with the prevalence of
personality disorder characteristics in nonpatient
samples (Vaillant & Drake, 1985; Zimmerman &
Coryell, 1989). By registering both types of func-
tioning, the DP makes it possible to chart complex
and even contradictory human behavior.
The item definitions were based on clinically
relevant behavioral patterns available in the litera-
ture. Because these descriptions were rather hetero-
geneous, the following criteria were used for item
selection and definition: clinical significance; exis-
tence of a theoretical link with either adaptation or
maladaptation of the individual’s functioning, where
adaptation refers to age-appropriate capabilities; and
possibility to relate the behavior to a single develop-
mental level. This latter criterion excluded general
psychopathologic phenomena, such as anxiety or
depression.
Hypotheses
In the current study, we examine the internal
consistency reliability and construct validity of the
DP. This was operationalized in the following
hypotheses:
1. The levels and the clusters of levels have
sufficient internal consistency reliability.
2. Underlying the items of the Developmental
Profile is a correlated nine-factor model, with
each factor representing a level and each item
having a positive loading on its corresponding
2 M. Polak et al.
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level only. Furthermore, the levels can be
reduced to a three-factor model, which justifies
the aggregation of the nine-level scores into
three cluster scores.
3. Underlying the levels, a bipolar scale can be
formed, ranging from highly maladaptive to
highly adaptive. On this scale, the levels are
ordered according to their position in the
scoring form. Subsequently, the levels can be
grouped into three ordered clusters.
4. Various patient groups can be distinguished
according to these scale values, assuming that
forensic inpatients form the most maladaptive
group and the normal controls form the most
adaptive group. The inpatients and outpatients
are positioned in between, with the latter as the
more adaptive of the two.
Method
Interview and Registration Protocol
The Developmental Profile is scored following a
semi-structured interview, which takes two to four
hours, covering such domains as relationships,
school and work, reactions to stressful events, deal-
ing with needs, anxiety or anger, and inadequacy.
The DP manual (Abraham, 2005) provides de-
tailed definitions of items and anchor points for
scoring. Scoring the DP requires an introductory
course that takes about 15 hours. The interviewer
indicates the degree to which each of the personality
characteristics is present using a 4-point scale ran-
ging from 0 (not present) to 3 (very clearly present).
Subsequently, for each level, the sum of the 9
corresponding items is determined. These level
scores make up the patient’s Developmental Profile.
Previous studies by Van et al. (2000) and Van,
Polak, Abraham, Overeem-Seldenrijk, and Van
Keulen (2005) showed sufficient interrater reliability
for scoring the various levels of the DP (with,
respectively, quadratically weighted kappa [Cohen,
1968] values ranging from .53 to .84 [M�.70]; and
ranging from .60 to .79 [M�.67]).
In the current study we investigate the justification
of interpreting a patient’s Developmental Profile
according to increasing levels of aggregation. First,
the item scores (i.e., the manifest behavior described
in the registration protocol) may be summed up into
level scores, which indicate the degree of functioning
on each specific developmental level. Second, one
may combine the level scores into a single score on a
bipolar maladaptivity�adaptivity scale ranging from
maximal maladaptive functioning (Lack of Struc-
ture) to maximal adaptive functioning (Generativ-
ity), using a data analytic approach.
Furthermore, the level scores may be grouped into
three successive clusters. The first cluster, referred to
as the primitive cluster, consists of Lack of Struc-
ture, Fragmentation, and Egocentricity. The second
cluster, referred to as the neurotic cluster, consists of
Symbiosis, Resistance, and Rivalry. The third clus-
ter, referred to as the adaptive cluster, encompasses
Individuation, Solidarity, and Generativity.
Participants
For the purpose of this psychometric evaluation,
data were pooled of patients from various sites in the
Netherlands were the DP was administered for use
either in daily clinical practice or in research. The
pooled sample consisted of 763 patients: 27 forensic
inpatients (3.5%), 468 psychotherapeutic psy-
chotherapy inpatients and day treatment patients
(61.3%), 166 outpatients (21.8%), and 102 non-
psychiatric controls (13.4%). The sample consisted
of 484 women (63.4%; mean age, 31 years, SD�10.5), and 277 men (36.3%; mean age, 36 years,
SD�10.7). For 2 patients (0.3%) gender informa-
tion was missing.
Procedure
The DP was administered following a two-step
procedure: A therapist or psychologist conducted
the DP interview, which was rated afterward by an
external psychologist based on the written text. The
raters did not have additional information about the
patient (e.g., a clinical diagnosis) in order to prevent
any scoring bias. In total, 35 different therapists and
psychologists administered the interviews. Each of
these practitioners participated in the DP introduc-
tory course, which was discussed earlier.
Data Analysis
The internal consistency reliability (Hypothesis 1)
was determined using Cronbach’s (1951) a coeffi-
cient. Two analyses were completed to evaluate the
construct validity of the DP. First, the item structure
(Hypothesis 2) was studied using confirmatory
factor analysis (CFA). Because in the DP the levels
are regarded as cumulative (or unipolar) scales (level
scores are determined by summing the correspond-
ing item scores), which are theoretically related, a
correlated nine-factor model was estimated. How-
ever, CFA is not suited for investigating the ordered
structure of the levels (Hypothesis 3), because the
scale underlying the various levels is bipolar (or
substitutive). Therefore, the level scores are analyzed
with correspondence analysis (CA). CA is known to
represent bipolar or substitutive scales correctly
(Heiser, 1981), unlike factor analysis, which is suited
The developmental profile 3
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for the analysis of unipolar or cumulative scales (Van
Schuur & Kiers, 1994).
CFA was conducted using EQS 6.1 software
(Bentler, 2003). The usual goodness-of-fit indices
are reported, including the root-mean-square resi-
dual (RMR), the root-mean-square-error of approx-
imation (RMSEA), the goodness-of-fit index (GFI),
the Bentler�Bonnet normed fit index (NFI), the
comparative fit index (CFI), the chi-square, and the
chi-square divided by degrees of freedom in the
model (chi-square/df). General guidelines indicate
that for good model fit the RMR should be less than
0.10, the RMSEA less than 0.05, the GFI greater
than 0.95, the CFI and NFI greater than 0.90, the
chi-square nonsignificant, and chi-square/df less
than 2 (Kline, 1998). For the individual factor
loadings, we used a cutoff value of 9.30 as the
minimum level of practical significance (Kline,
1998), and a�.01 as the significance level for two-
tailed statistical tests (Stevens, 1996).
CA was performed in SPSS 14.0 and is part of the
categories module (Meulman & Heiser, 2004) of
SPSS. CA, also known as dual scaling (Nishisato,
1996), produces an optimally weighted combination
of patients’ scores, comparable to principal-
components analysis (see, e.g., in the field of
personality assessment Maraun, Slaney, & Jalava,
2005), although both techniques have slightly dif-
ferent terminology (e.g., in the context of CA,
instead of the term variance, the term inertia is used).
The aim of CA is to find an optimal graphical
representation of patients and developmental levels
both (in this study) in as few dimensions as possible,
which usually results in a two-dimensional plot. When
data are one-dimensional (Hypothesis 3), a two-
dimensional representation will show what is often
referred to as the arch effect, where the levels and
patients are ordered along an arch according to their
position on the scale (e.g., Greenacre, 1984, p. 227).
In that case, only the scores on the first dimension are
used as scale scores, because the second dimension is
an artifact as a result of the nonlinearity of the item
responses.
The scores resulting from CA can be standardized
in different ways depending on the focus of the
analysis. In the current study, the level scores were
standardized to have a mean of 0 and a variance of 1,
and each patient’ s score is computed as the
weighted average of his or her corresponding level
scores.
To cross-validate the CA solution, we performed
10 stratified random splits with the four patient
groups as strata. For each split, the correlation was
computed between the CA scale values in both
subsamples.
Twenty-seven patients (3.5%), who were outliers
in the solution as a result of a strongly atypical
response pattern, were eliminated from both CFA
and CA. As an exclusion criterion, a cutoff score of 6
on the Egocentricity level (20) was used. This group
is described separately in the Discussion section.
Results
Internal Consistency Reliability of the DP
Levels
Table I shows the internal consistency reliability.
Cronbach’s a coefficients for the clusters of levels
ranged from .69 to .79 (mdn, .78), indicating
sufficient reliability for the cluster scores. For the
separate levels, a coefficients ranged from .44 to .81
(mdn, .60), indicating good and reasonable reliability
for Egocentricity, Symbiosis, and Individuation le-
vels but unsatisfactory reliability for the remaining
levels.
Confirmatory Factor Analysis of the DP Item
Scores
Construct validity of the DP (Hypothesis 2) was
investigated with CFA following a two-step proce-
dure. First, a nine-factor model was tested on the
items scores, with each factor representing a level.
Each item was allowed to load on its corresponding
factor only, and factors were allowed to correlate.
Second, a three-factor model1 was tested on the
level scores to test the presumption that level scores
may be aggregated into three clusters (primitive,
neurotic, and adaptive). Table II shows the fit
statistics for these factor models. We first interpret
the nine-factor model, which was fitted on the
individual items.
Table I Internal Consistency Reliabilities for the Levels and
Clusters of Levels of the Developmental Profile (N�763)
Developmental level Cronbach’s a
Clusters
Adaptive .79
Neurotic .69
Primitive .78
Levels
Generativity (80) .48
Solidarity (70) .60
Individuation (60) .64
Rivalry (50) .53
Resistance (40) .44
Symbiosis (30) .69
Egocentricity (20) .81
Fragmentation (10) .60
Lack of Structure (00) .58
4 M. Polak et al.
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As can be seen in Table II, the nine-factor model
meets the criteria of RMR, RMSEA, NFI, and CFI.
The GFI criterion is not met by the model. The chi-
square depends on the sample size, and given our
large sample size and consequently high power, a
significant chi-square is not necessarily a sign of a
poor fit. As an alternative, the chi-square/df ratio is
computed as a relative measure of fit. Here, this ratio
indicates acceptable model fit.
Table III shows the standardized factor loadings
for the nine-factor model, where Factor 1 represents
the most maladaptive level, Lack of Structure;
Factor 2, Fragmentation; and so on through Factor
9, which represents Generativity.
Sixteen items (19.8%) had nonsignificant loadings
(a�.01). The final row in Table III shows the
percentage of items with a factor loading greater
than .30 for each factor. For most factors, the
majority of the items had a loading exceeding .30.
However, Factors 3, 5, and 9, representing Egocen-
tricity, Resistance, and Generativity, respectively,
had more poorly fitting items. For the latter two
levels, this is in agreement with the lower alpha
coefficients. Apparently, the items of these levels had
relatively low intercorrelations. Egocentricity (Factor
3) showed good reliability but appeared not to fit the
structural model of the DP very well. We elaborate
on the deviant position of Egocentricity in the
discussion.
Subsequently, the three-factor model that was
tested on the level scores, which showed an accep-
table (according to the chi-square/df ratio and the
RMSEA; cf. Browne & Cudeck, 1993) to good fit
according to the remaining indices. Table IV shows
the standardized factor loadings for the three-factor
model.
All loadings were significant (a�.01); only Rivalry
did not fit into the neurotic cluster adequately. An
explanation for this lack of fit could be that Rivalry
was also substantially correlated with Egocentricity
(r�.40, pB.001).
The primitive and neurotic clusters were positively
correlated (r�.44, pB.001). Each of these clusters
was negatively correlated with the adaptive cluster
(r��.45, pB.001, and r��.56, pB.001, respec-
tively).
Mean DP Levels Scores for Various Patient
Groups
The mean DP level scores and standard deviations
for the four patient groups are reported in Table V.
Differences between patient groups were tested with
independent-samples t tests (a�.01), and differ-
ences between level scores within each patient group
were tested with paired-samples t tests (a�.01).
Table V shows that the patient groups clearly have
distinct score patterns, which show a peak on a few
adjoining levels. For instance, for the group of
psychotherapy inpatients, the ‘‘peak levels’’ are
Symbiosis and Resistance (the means on both the
more maladaptive levels and the more adaptive levels
for this group are significantly lower). Furthermore,
these patients scored significantly higher on Sym-
biosis and Resistance than the other patient groups,
which scored highly on either more maladaptive or
more adaptive levels.
These score patterns of the different groups seem
to justify summarizing a patient’s DP into one score
indicating the global level of psychosocial function-
ing. CA is a technique that derives such a scale score
from a patient’s DP.
Correspondence Analysis of the DP Level
Scores
To further investigate whether there is a bipolar
dimension underlying the different levels, on which
both the levels and the patients can be ordered in
terms of the degree of (mal-) adaptive functioning,
CA was performed on the level scores of the 736
patients. Recall that CA results in scores for both
levels and patients.
The CA solution for the level scores in two
dimensions is displayed in Figure I. This solution
showed that the level scores lie in an arch-shaped
pattern, which is marked by the dashed parabola.
The CA solution accounted for 55% of the total
inertia (37.3% and 17.7% for Dimensions 1 and 2,
respectively).
The apparent arch effect in Figure I was inter-
preted as support for the theory that an underlying
maladaptivity�adaptivity scale exists. The first di-
mension reflected the theorized order of the levels.
Table II Confirmatory Factor Analysis Goodness-of-Fit Indices
Model x2 (df) x2/df RMR RMSEA GFI NFI CFI
Nine-factor solution for DP items 6687.5 (3123) 2.14 .020a .039a .807 .926a .959a
Three-factor solution for DP levels 149.5 (24) 6.23 .055a .084 .955a .999a .995a
Note. RMR, root-mean-square residual; RMSEA, root-mean-square-error of approximation; GFI, goodness-of-fit index; NFI, normed fit
index; CFI, comparative fit index.aIndicates good model fit.
The developmental profile 5
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Table III Standardized Factor Loadings of the Nine-Factor Model (N�736)
Item 1: Lack of Structure 2: Fragmentation 3: Egocentricity 4: Symbiosis 5: Resistance 6: Rivalry 7: Individuation 8: Solidarity 9: Generativity
1 .35a
2 .16a
3 .15
4 .67a
5 .49a
6 .21a
7 .51a
8 .39a
9 .31a
11 .47a
12 .35a
13 .34a
14 .59a
15 .44a
16 .24a
17 .66a
18 .36a
19 .18a
21 .08
22 .42a
23 .23a
24 .58a
25 .22
26 .39a
27 .23a
28 .30a
29 .19
31 .44a
32 .60a
33 .53a
34 .55a
35 .58a
36 .32a
37 .12a
38 .35a
39 .46a
41 .18a
42 .42a
43 .16a
44 .47a
45 .01
46 �.05
47 .29a
48 .54a
6M
.P
olak
etal.
Downloaded By: [Polak, Marike] At: 10:23 25 November 2009
Table III (Continued)
Item 1: Lack of Structure 2: Fragmentation 3: Egocentricity 4: Symbiosis 5: Resistance 6: Rivalry 7: Individuation 8: Solidarity 9: Generativity
49 .24a
51 .59a
52 .24a
53 .48a
54 .26a
55 .44a
56 .18
57 .12
58 .34a
59 .42a
61 .65a
62 .30a
63 .36a
64 .46a
65 .72a
66 .14a
67 .34a
68 .50a
69 .09
71 .63a
72 .56a
73 .18
74 .37a
75 .65a
76 .30a
77 .21a
78 .28a
79 .15
81 .56a
82 .61a
83 .18
84 .44a
85 .18
86 �.03
87 .11
88 .49a
89 .12
Percent
loadings�.30
67 78 44 89 33 56 78 56 44
aSignificant factor loading, pB.01 (method�Maximum Likelihood, robust).
The
dev
elopm
enta
lprofile
7
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The second dimension contrasted the extremes of
this scale with the midpoint.
Cross-validation with 10 stratified random splits
showed that the scale values presented in Figure I
are sufficiently stable; the correlation between the
scale values of both subsamples for each split ranged
from .969 to .999 (M�.988) for the first dimension
and from .898 to .990 (M�.958) for the second
dimension.
Dimension 1 contrasted the maladaptive levels
Lack of Structure, Fragmentation, and Egocentricity
(with explained inertias of .49, .50, and .18, respec-
tively) with the adaptive levels Lack of Individuation,
Solidarity, and Generativity (with explained inertias
of .67, .55, and .40, respectively). The levels Sym-
biosis, Resistance, and Rivalry were located around
the midpoint of the first dimension (with explained
inertias of .19, .02, and .003, respectively).
The clustering of the developmental levels into
three ordered clusters is apparent in Figure I, which
was also supported by the three-factor model dis-
cussed previously. In three of all 10 cross-validations,
the positions of Fragmentation and Egocentricity on
the first dimension interchanged, which also applied
to Resistance and Rivalry.
Note that, in contrast to unipolar scales, bipolar
scales also include items on the midpoint of the
scale, which necessarily have low correlations with
the underlying dimension. Therefore, percentage-
explained inertia is not sufficient to judge the quality
of these types of scales (cf. Ter Braak & Verdonschot,
1995, p. 274). Alternative criteria (e.g., validation by
an external criterion) are often used. For this
purpose, we further analyzed the patients’ scale
values, which are discussed in the following.
Like the developmental levels, for each patient the
score on the first CA dimension is interpreted as a
score on the maladaptivity�adaptivity scale. Analysis
of variance of the CA scale scores between the
different patient groups revealed significant differ-
ences between the groups and a large effect size: F(3,
732)�245.10, pB.0001, h2�.50. Paired compar-
isons among subsequent groups with (Bonferroni
corrected) t tests showed that each group is sig-
nificantly different from the groups in closest proxi-
mity (forensic inpatients [M��1.11] vs.
psychotherapy inpatients [M��0.13], pB.0001;
psychotherapy inpatients vs. outpatients [M�0.21],
pB.0001; outpatients vs. normal controls [M�0.69], pB.0001). Note that, given the psychiatric
complaints in the groups of in- and outpatients, we
expected the first to be more maladaptive. These
results strongly confirmed the hypothesis that pa-
tient groups can be significantly distinguished and
Table IV Standardized Factor Loadings of the Three-Factor Model (N�736)
Developmental level I: Primitive cluster II: Neurotic cluster III: Adaptive cluster
Generativity (80) .64a
Solidarity (70) .73a
Individuation (60) .81a
Rivalry (50) .24a
Resistance (40) .48a
Symbiosis (30) .68a
Egocentricity (20) .44a
Fragmentation (10) .78a
Lack of Structure (00) .62a
aSignificant factor loading, p B.01 (method�Maximum Likelihood, robust).
Table V Mean Scores (Standard Deviations) of the Nine Developmental Levels for the Four Groups of Patientsa
Developmental level
Forensic inpatients
(n�27)
Psychotherapy inpatients
(n�468)
Outpatients
(n�166)
Normal controls
(n�102)
Generativity (80) 0.04 (0.19)a 0.31 (0.61)a .80 (1.32)b 1.61 (1.51)c
Solidarity (70) 0.22 (0.51)a 1.63 (1.71)q 2.82 (2.00)k 3.76 (2.71)f
Individuation (60) 1.11 (1.09)g 4.17 (2.17)h 5.95 (2.76)i 7.35 (2.73)j
Rivalry (50) 2.59 (1.93)kq 3.19 (2.52)k 2.88 (2.48)k 2.07 (1.80)c
Resistance (40) 3.96 (2.55)ks 7.40 (2.98)m 6.07 (2.60)i 4.06 (2.52)fk
Symbiosis (30) 4.81 (2.75)s 8.60 (3.79)o 6.48 (3.61)i 2.11 (1.77)c
Egocentricity (20) 2.26 (2.33)gq 0.84 (2.14)rt 0.49 (1.27)br 0.33 (1.56)r
Fragmentation (10) 2.74 (1.72)kq 1.71 (2.06)q 0.49 (1.12)br 0.11 (0.40)r
Lack of Structure (00) 5.30 (1.68)s 0.88 (1.46)t 0.36 (1.05)r 0.07 (0.38)r
Note. Means not sharing similar subscripts within each row and column differ at pB.01.aPossible score range per level: 0�27.
8 M. Polak et al.
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ordered by their scores on the bipolar scale under-
lying the DP. Furthermore, we found a significant
correlation of the bipolar scale underlying the
Developmental Profile with age (r�.36, pB.001,
N�706), indicating that developmental differences
in adults as measured by the DP are partly a natural
result of aging.
Discussion
This study investigated the internal consistency and
construct validity of the DP. The three clusters
(adaptive, neurotic, and primitive) all had a good
internal reliability, although for separate levels the
reliability appeared not to be satisfactory.
CFA showed an overall good fit, thereby providing
a justification for the organization of item scores into
level scores. Furthermore, the CFA results justify the
various levels as interrelated subscales, which can be
aggregated into three clusters, thus supporting con-
structs of a primitive maladaptive cluster (Lack of
Structure, Fragmentation, and Egocentricity), a
neurotic maladaptive cluster (Symbiosis, Resistance,
and Rivalry), and an adaptive cluster (Individuation,
Solidarity, and Generativity).
Taken together, these results can be considered
in line with psychoanalytic developmental theory.
This assumes levels of personality organization and
distinguishes healthy personality, neurotic level, and
borderline level (see, e.g., PDM Task Force, 2006).
Apparently, at the differentiated levels within a
cluster it is still more difficult to obtain sufficient
reliable scores. This may reflect a measure problem,
which could, for instance, be solved by a better
operationalization of items. Further studies on the
instrument have to be done with regard to this
matter.
Correspondence analysis showed a bipolar scale
underlying the Developmental Profile ranging from
maladaptive to adaptive psychosocial functioning
that significantly distinguished all different patient
groups. There was a significant relationship between
the scores on this scale and age. Cross-validations
showed good stability of the CA scale values.
These results confirm the usefulness of distin-
guishing adaptive levels. It also indicates its useful-
ness to operationalize adaptivity not only by the
absence of pathology but also by the presence of
specific adaptive characteristics. In addition, it
suggests that personality in general grows to further
maturity during life in adulthood. This is concordant
with the personality theory of Erikson, which was
taken as one of the underlying concepts for the DP.
It is also in line with literature reported findings with
regards to the development of defense mechanisms
(Vaillant, 1993, p. 134ff).
A subgroup of 27 patients (3.5% of the total
sample) was excluded from the CFA and CA (but
not from the reliability analysis). These patients were
characterized by a combination of high scores on
both Levels 20 and 50. This group was identified as
an outlier in the CA analysis, because in the two-
dimensional solution the group formed a remote
cluster. Inspection of the profile scores of this group
Figure I. Developmental level scale scores in two dimensions resulting from correspondence analysis (CA) of the profile scores. Numbers
refer to levels (see Appendixes A and B). On either side of each scale score, the respectively lowest and highest estimate of the first
dimension score resulting from cross-validation are depicted.
The developmental profile 9
Downloaded By: [Polak, Marike] At: 10:23 25 November 2009
showed that all patients had a score of 6 or higher on
Egocentricity (Level 20). This group had such an
outlying score pattern that in the EQS analysis it
caused a failure to converge. Thus, although the
reported reliabilities of the level and cluster scores do
apply to this group, the position of this group in the
hierarchy of the DP (in terms of adaptivity and
maladaptivity) is ambiguous.
Theoretically, this is an interesting finding. Ap-
parently, the order of the levels that follows from the
score patterns of all other patients does not apply to
this group. That is, this group combines high scores
on Egocentricity with high scores on Rivalry (Level
50). An explanation for the relatively high scores on
Rivalry for this maladaptive group may be found in
the concept of the so-called oblivious narcissism, as
described by Gabbard (2000). Persons with this type
of narcissism not only believe they are superior but
are also inclined to show this in strong competitive
behavior. In the DP this is represented in the
patterns of rivalry (see Appendixes A and B), thus
leading to a joint appearance of these two levels.
Limitations and Strengths
This study has a number of limitations. First, we
were not able to measure the interrater reliability of
the whole sample; therefore, the exact degree of
measurement error attributable to raters is un-
known. However, in earlier publications, interrater
reliability was reported (Van et al., 2000, 2005) of
subsamples that are included in this study. Also, all
raters were well trained, and their competency was
evaluated by one of the registered DP supervisors
before participating in the current study. In addition,
it was always possible for raters to discuss questions
or doubts with the one of the DP supervisors,
including two of the authors (Robert E. Abraham
and Henricus L. Van). We aimed to eliminate rater
variability as much as possible by using consensus
scores.
Second, we did not compare the DP scores with
regular diagnoses of the patient as made during their
intake procedure at the participating institutes and
departments. However, there was considerable varia-
bility in diagnostic procedures across institutes and
departments, in particular with regard to personality
pathology, which was by not measured with other
instruments in a comparable way. Therefore, we
thought it not to be useful to relate DP scores with
the clinical Axis II disorders.
Third, the unsatisfactory values of Cronbach’s acoefficient for most of the separate levels of the DP
imply that these levels (e.g., Generativity) should be
interpreted with caution when using the DP in
individual patients in clinical practice.
We used Cronbach’s a for the reliability analysis,
because it is the most common statistical analysis for
that purpose. However, there is discussion on which
values of alpha are desirable in the field of person-
ality measurement. For instance, Boyle, Stankov,
and Cattell (1995, p. 436) argue that low to
moderate item homogeneity is preferable, so that
each item contributes to the breadth of measurement
of a given scale. The authors refer to Kline (1986)
and Cattell (1982), who suggested reliabilities in the
range 0.3 to 0.7 on the basis that, to obtain
maximum validity, items do not need to correlate
highly with each other but rather with an external
criterion. Furthermore, the construction of the DP
as a matrix that fixes the number and nature of the
items of each scale limits the possibility to redefine
problematic items that were identified by the CFA.
Moreover, this prohibits the general approach to
improve the reliability of a scale, which is to include
more items (cf. Streiner, 2003).
A fourth limitation of this study is that, other
psychometric properties, such as test�retest reliabil-
ity, were not measured. Thus, the stability of the DP
scores over time is not known. Because most of the
DP interviews were administered before the start of
therapy in patients with a concurrent Axis I disorder
as well, one might question the extent to which this
has influenced the scores. On the other hand, in
earlier studies with the DP (Van et al., 2008, 2009),
an influence of severity of concurrent Axis I symp-
toms on the DP scores could not be demonstrated.
Apparently, the interview protocol that provides
specific instruction on how to minimize potential
influence of symptoms on the answers has been
adequate in this respect.
A strength of the study is the very large number of
patients included. It enabled us to perform in a more
reliable way statistical analysis that in smaller sam-
ples would not have been possible, such as a reliable
use of factor analysis and the cross-validation of the
correspondence analysis.
Second, the DP is a theory driven instrument that
makes use of concepts closely related to the way
clinicians think about patients. As such, it is an
attempt to bridge the gap between (a) personality
characteristics that may arise during a psychother-
apeutic process and need to be taken into account
and (b) research data. An example is provided in
Appendix B, which shows how the same behavior of
a patient could be placed on various levels of the DP,
depending on the context.
In conclusion, we believe the DP is a promising
instrument. Psychometric studies confirm the devel-
opmental perspective of personality, although there
is ongoing research to improve the internal consis-
tency reliability of some of the developmental levels
10 M. Polak et al.
Downloaded By: [Polak, Marike] At: 10:23 25 November 2009
that make up the DP. The DP summarizes in one
model a broad array of psychodynamic concepts that
have proven useful in daily psychotherapeutic prac-
tice. Further research in concordant and prognostic
validity is required and may reveal whether the
application of the DP in clinical practice can
improve selection of psychotherapeutic strategies
and interventions in an individual patient and
enhance treatment outcome.
Acknowledgements
This study was supported by a grant from the Dutch
Psychoanalytic Foundation. This foundation had no
involvement with the design and conduct of the
study; data collection, management, analysis, or
interpretation; and manuscript preparation, review,
or approval. We thank Harry Stroeken, PhD, for his
help in obtaining the participation of nonpsychiatric
volunteers.
Note1 An additional CFA was performed to test a three-factor model
using item-level data, which provided further support for the
three-cluster hypothesis. Interested readers can request the
complete CFA results from the corresponding author.
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Appendix A
The Developmental Profile Matrix
Problem solving
Social attitudes Object relationships Self-images Norms Needs Cognitions Thoughts/feelings Actions
Miscellaneous
themes
80: Generativity 81. Responsibility 82. Care 83. Authentic
self-image�social
84. Authentic
norms�social
85. Integrity 86. Context-related
cognitions
87. Respect for
controversial
(sub)cultures
88. Reorganization 89. Mourning
70: Solidarity 71. Living
together
72. Mate 73. Authentic 74. Authentic
norms�relational
75. Intimacy 76. Empathy 77. Respect for the
controversial other
78. Alliance 79. Collectivity
60: Individuation 61. Productivity 62. Equal 63. Authentic
self-image�individual
64. Authentic
norms�individual
65. Identity 66. Self-reflection 67. Respect for the
controversial self
68. Assertiveness 69. Primary-process
experiences
50: Rivalry 51. Status 52. Unattain-able
love
53. Ideal-related
self-image
54. Excessive ideals 55. Triumph 56. Histrionic
cognitions
57. Reversal 58. Pretending 59. Feelings of
sexual insufficiency
40: Resistance 41. Defiance 42. Oppressor 43. Norm-related
self-image
44. Excessive norms 45. Domination 46. Objectifying
cognitions
47. Elimination 48. Defensiveness 49. Moral
masochism
30: Symbiosis 31. Dependence 32. Parent 33. External
self-image
34. External norms 35. Passive
need for love
36. Suggestive
cognitions
37. Detachment 38. Giving up 39. Lack of basic trust
20: Egocentricity 21. Soloist 22. Servant 23. Overrated
self-image
24. Selfish
norms
25. Mirroring 26. Self-referring
cognitions
27. Disclaiming 28. Self-
overestimation
29. Coldness
10: Fragmentation 11. Changeability 12. Frame 13. Vague
self-image
14. Dichotomous
norms
15. Sensation
seeking
16. Nonpersonality
related cognitions
17. Primitive
externalization
18. Acting out 19. Dissociation
00: Lack of
Structure
1. Bizarre
behaviour
2. Lack of
affectivity
3. Lack of a
self-image
4. Lack of norms 5. Primary
satisfaction
of needs
6. Lack of
psychological
phenomena
7. Falsification 8. Impulsive
behaviour
9. Disorganization
Note. The item scores (range, 0�3) at one level are summed to obtain the level score.
The
dev
elopm
enta
lprofile
13
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Appendix B
Description of the levels of the Developmental Profile
Developmental level Description Example of the multiple meanings of behaviour: The patient resigns . . .
Generativity (80) To care for others or for society in general Because the project he was to be in charge of has too many negative
consequences for the environment
Solidarity (70) To establish longer lasting and mutually satisfactory relationships Because he feels that one of his co-workers was wrongly dismissed
Individuation (60) To realize one’s own aims, taking into account existing possibilities,
as well as the interests of others.
Because he is not given the resources necessary to carry out his work properly
Rivalry (50) Insecurity about one’s own qualities as an adult man or woman,
with a strong need to prove oneself socially
Because he has ‘‘lost face’’ after not being selected for a higher position
Resistance (40) Lack of inner freedom manifested by conflicts of autonomy Because he feels belittled by a colleague
Symbiosis (30) Functioning dependent from others Because he misses the support of his former boss, who has retired
Egocentricity (20) Narcissistic functioning with overestimated self-image and using
relationships
Because ‘‘those clueless idiots at work (management)’’ refused to accept his
plans
Fragmentation (10) Not able to integrate experiences manifestations as changeability,
splitting, or primitive externalisation (17)
‘‘For no reason’’ the same day his therapist announces his vacation
Lack of Structure (00) Lack of basic abilities such expressing affects or disturbances in
reality testing
In anger, and without stopping to think, when his boss does not agree to his
taking the following day off
Note. In the final column, an example is given that shows how the same behavior of a patient (here, resigning) could be placed on various levels of the DP, pending the context.
14
M.
Pola
ket
al.
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