Preventive and Remedial Interventions for Children with...

Preventive and Remedial Preventive and Remedial Interventions for Children with Interventions for Children with

Reading Difficulties: Lessons from Reading Difficulties: Lessons from ResearchResearch

Dr. Joseph K. TorgesenDr. Joseph K. TorgesenFlorida State University and Florida State University and

The Florida Center for Reading ResearchThe Florida Center for Reading Research

Learning Disabilities Association, March, 2004Learning Disabilities Association, March, 2004

The top five myths about interventions for The top five myths about interventions for struggling readersstruggling readers

1. If a child is a visual learner, they should be taught to re1. If a child is a visual learner, they should be taught to read ad using a visual, not an auditory strategyusing a visual, not an auditory strategy

2. If a child has not learned phonics by the end of first grad2. If a child has not learned phonics by the end of first grade, e, they need to be taught to read in some other waythey need to be taught to read in some other way

3. Children who struggle with phonemic awareness, 3. Children who struggle with phonemic awareness, vocabulary, or phonics in kindergarten and first grade will vocabulary, or phonics in kindergarten and first grade will frequently catch up if given time.frequently catch up if given time.

4. We should take guidance from theories of multiple 4. We should take guidance from theories of multiple intelligences or learning styles to help us adapt our intelligences or learning styles to help us adapt our reading instruction for different childrenreading instruction for different children

5. A little quality time with an enthusiastic volunteer tutor ca5. A little quality time with an enthusiastic volunteer tutor can n solve most childrens reading problemssolve most childrens reading problems

The consensus view of most important The consensus view of most important instructional features for interventionsinstructional features for interventions

Interventions are more effective when they:Interventions are more effective when they:Provide Provide systematicsystematic and and explicitexplicit instruction on whatever instruction on whatever component skills are deficient: phonemic awareness, phonics, component skills are deficient: phonemic awareness, phonics, fluency, vocabulary, reading comprehension strategiesfluency, vocabulary, reading comprehension strategies

Provide a significant increase in Provide a significant increase in intensityintensity of instructionof instruction

Provide ample opportunities for guided practice of new skillsProvide ample opportunities for guided practice of new skills

Provide systematic cueing of appropriate strategies in contextProvide systematic cueing of appropriate strategies in context

Provide appropriate levels of scaffolding as children learn Provide appropriate levels of scaffolding as children learn to apply new skillsto apply new skills

Two kinds of scaffolding are importantTwo kinds of scaffolding are important

Programmatic ScaffoldingProgrammatic ScaffoldingThe The programprogram of instruction is carefully sequenced so that of instruction is carefully sequenced so that students are explicitly taught the skills and knowledge they students are explicitly taught the skills and knowledge they need for each new task they are asked to performneed for each new task they are asked to perform

Oral blending skills before blending printed wordsOral blending skills before blending printed words

Awareness of phonemes before learning how they are Awareness of phonemes before learning how they are represented in printrepresented in print

GraphemeGrapheme--phoneme knowledge before decodingphoneme knowledge before decoding

Vocabulary instruction before reading for meaningVocabulary instruction before reading for meaning

Strategies for oral language comprehension that support Strategies for oral language comprehension that support reading comprehensionreading comprehension


Responsive ScaffoldingResponsive ScaffoldingAfter an error, or inadequate response, the teacher provides After an error, or inadequate response, the teacher provides responsive support to assist the child in making a more responsive support to assist the child in making a more adequate, or correct responseadequate, or correct response

Through appropriate questioning or provision of information, Through appropriate questioning or provision of information, the teacher supports the child in doing a task they cannot the teacher supports the child in doing a task they cannot immediately do on their ownimmediately do on their own

Teaching children to identify the first phoneme in words

After telling child the names of the pictures, teacher says,which one begins with /s/? child chooses fan

fan begins with /f/, which one begins with /s/? Child chooses can

Listen, Im going to say the names of the pictures very slowly- see which one begins with /s/ - f-an, f-ire, c-an, s-ack which one?


Responsive ScaffoldingResponsive ScaffoldingWord reading error Word reading error lets check this word. Can you read lets check this word. Can you read it for me?it for me?Child reads side.Child reads side.Teacher says, youre right that the word begins with the Teacher says, youre right that the word begins with the /s/ sound. What letter do you see coming right after the /s/ sound. What letter do you see coming right after the ssin this word?in this word?Child says lChild says lTeacher says, what sound does l make?Teacher says, what sound does l make?Child says /l/Child says /l/Teacher says, if you say the /l/ sound right after /s/ in this Teacher says, if you say the /l/ sound right after /s/ in this word, what word does that make?word, what word does that make?

Interventions should be organized in tiersInterventions should be organized in tiers

Layers of intervention Layers of intervention responding to student needsresponding to student needs

Each tier provides more Each tier provides more intensive and supportive intensive and supportive interventionintervention

Aimed at preventing reading Aimed at preventing reading disabilitiesdisabilities

TIER I

TIER II

TIERIII

TIER I: Core class instructionTIER I: Core class instruction

TIER I is comprised of three TIER I is comprised of three elementselements

Core reading programCore reading program

Benchmark testing of Benchmark testing of students to determine students to determine instructional needs at least instructional needs at least three times a yearthree times a year

TIER I

TIER II

TIERIII

Ongoing professional Ongoing professional developmentdevelopment

TIER I: CORE CLASS INSTRUCTION TIER I: CORE CLASS INSTRUCTION (contd)(contd)

Focus

Program

Interventionist

Setting

Grouping

Time

Assessment

For all students in K through 3

Scientific-based reading instruction and curriculum emphasizing the five critical elements of beginning reading

General education teacher

General education classroom

Multiple grouping formats to meet student needs

90 minutes per day or more

Benchmark assessment at beginning, middle, and end of the academic year

TIER II: Supplemental instructionTIER II: Supplemental instruction

Tier II is smallTier II is small--group group supplemental instruction supplemental instruction in addition to the time in addition to the time allotted for core reading allotted for core reading instruction.instruction.TIER I

TIERIII

TIER IITIER II

Tier II includes Tier II includes pprograms, strategies, rograms, strategies, and procedures and procedures designed and employed designed and employed to to supplement, enhance, supplement, enhance, and support and support Tier I.Tier I.

TIER II: SUPPLEMENTAL TIER II: SUPPLEMENTAL INSTRUCTION (contd)INSTRUCTION (contd)

Focus

Program

Setting

Grouping

Time

Assessment

For students identified with marked reading difficulties, and who have not responded to Tier I efforts

Personnel determined by the school (e.g., a classroom teacher, a specialized reading teacher, an external interventionist)

Appropriate setting designated by the school;may be within or outside of the classroom

Homogeneous small group instruction (1:3, 1:4, or 1:5)

Minimum of 30 minutes per day in small group in addition to90 minutes of core reading instruction

Progress monitoring twice a month on target skill to ensure adequate progress and learning

Specialized, scientifically based reading program(s) emphasizing the five critical elements of beginning reading

Interventionist

TIER III: Intensive interventionTIER III: Intensive intervention

Tier III is intensive, Tier III is intensive, strategic, supplemental strategic, supplemental instruction specifically instruction specifically designed and designed and customized smallcustomized small--group group or 1:1 reading instruction or 1:1 reading instruction that is extended beyond that is extended beyond the time allocated for the time allocated for Tier I and Tier II.Tier I and Tier II.

TIERIII

TIER III

Program

Focus

Interventionist

Setting

Grouping

Time

Assessment

For students with marked difficulties in reading or reading disabilities and who have not responded adequately to Tier I and Tier II efforts

Appropriate setting designated by the school

Homogeneous small group instruction (1:1- 1:3)

Minimum of two 30-minute sessions per day in small group or 1:1 in addition to 90 minutes of core reading instruction. Progress monitoring twice a month on target skills to ensure adequate progress and learning

Sustained, intensive, scientifically based reading program(s) emphasizing the critical elements of reading for students with reading difficulties/disabilities

Personnel determined by the school (e.g., a classroom teacher, a specialized reading teacher, an external interventionist)

TIER III: INTENSIVE INTERVENTION TIER III: INTENSIVE INTERVENTION (contd)(contd)

What do we know about the success of What do we know about the success of our most effective interventions in our most effective interventions in

preventing and preventing and remediatingremediating reading reading difficulties? difficulties?

Intervention studies should be differentiated by the Intervention studies should be differentiated by the age of students included in the studyage of students included in the study

Prevention studiesPrevention studies intervention begins before intervention begins before children have experienced a prolonged period of children have experienced a prolonged period of failure in learning to readfailure in learning to read

Remediation studiesRemediation studies intervention occurs after intervention occurs after children have experienced difficulties in learning to children have experienced difficulties in learning to read for several years.read for several years.

Studies of PreventionStudies of Prevention

How to measure successful prevention?How to measure successful prevention?

Meets standards on measure of reading Meets standards on measure of reading comprehension at end of third gradecomprehension at end of third grade

Achieves Oral Reading Rate of more than 40 Achieves Oral Reading Rate of more than 40 correct words per minute by end of first gradecorrect words per minute by end of first grade

Achieves score above the 30Achieves score above the 30thth percentile on percentile on measures of word reading ability by end of first measures of word reading ability by end of first or second gradeor second grade

We do not yet know how to prevent reading difficulties in all children

Percent of children scoring below the 30th percentile

Study Amt. of instruction % delayed overall %

Foorman 174 hrs.- classroom 35% 6%

Felton 340 hrs. - groups of 8 32% 5%

Vellutino 35- 65 hrs. 1:1 tutoring 46% 7%

Torgesen 88 hrs. 1:1 tutoring 30% 4%

Torgesen 80 hrs. 1:3 tutoring 11% 2%

Torgesen 91 hrs. 1:3 or 1:5 tutoring 8% 1.6%

Mathes 80 hrs. 1:3 tutoring 1% .02%

Growth in Word Reading Ability

30

7075th

50th

25th

Nat

iona

l Per

cent

ile

October January May

These are likely to be overestimates of These are likely to be overestimates of our success in preventing reading our success in preventing reading

difficulties in all childrendifficulties in all children

46% of sample had broad vocabulary scores below 46% of sample had broad vocabulary scores below the 30the 30thth percentilepercentile

At end of second grade, although word level skills At end of second grade, although word level skills stayed strong (1.6% below 30stayed strong (1.6% below 30thth), estimate 4.1% ), estimate 4.1% failure rate for silent reading comprehensionfailure rate for silent reading comprehension

Problem with comprehension will become more Problem with comprehension will become more pronounced as comprehension tests become more pronounced as comprehension tests become more complexcomplex

Evidence from one school that we Evidence from one school that we cancan do do substantially better than ever beforesubstantially better than ever before

School Characteristics:School Characteristics:70% Free and Reduced Lunch (going up each year)70% Free and Reduced Lunch (going up each year)

65% minority (mostly African65% minority (mostly African--American)American)

Elements of Curriculum Change:Elements of Curriculum Change:Movement to a more balanced reading curriculum beginning Movement to a more balanced reading curriculum beginning in 1994in 1994--1995 school year (incomplete implementation) for K1995 school year (incomplete implementation) for K--22Improved implementation in 1995Improved implementation in 1995--19961996

Implementation in Fall of 1996 of screening and more Implementation in Fall of 1996 of screening and more intensive small group instruction for atintensive small group instruction for at--risk studentsrisk students

Hartsfield Elementary Progress over five years

Proportion falling below the 25th percentile in word reading ability at the end of first grade 10

20

3031.8

20.4

10.96.7

3.7

1995 1996 1997 1998 1999Average Percentile 48.9 55.2 61.4 73.5 81.7for entire grade (n=105)

Screening at beginning of first grade, with extra instruction for those in bottom 30-40%

30Proportion falling below the 25th Percentile

20

10

Proportion falling below the 25th Percentile 10

20

30

31.8

20.4

10.96.7

3.7

1995 1996 1997 1998 1999Average Percentile 48.9 55.2 61.4 73.5 81.7

14.59.0

5.4 2.4

Hartsfield Elementary Progress over five years

1996 1997 1998 1999Average Percentile 58.2 67.1 74.1 81.5

FCAT Performance in Spring, 2003FCAT Performance in Spring, 2003

10

15

20

25

30

35

40Level 2Level 1

Hartsfield Elem. State Average

Why the disparity between early wordWhy the disparity between early word--level outcomes and later comprehension level outcomes and later comprehension

of complex texts?of complex texts?

Accelerating introduction of complex and unfamiliar Accelerating introduction of complex and unfamiliar words in text places stress on children with remaining words in text places stress on children with remaining dysfluenciesdysfluencies in word level processesin word level processes

Demands of vocabulary in complex text at third grade Demands of vocabulary in complex text at third grade and higher place stress on the remaining SES and higher place stress on the remaining SES related vocabulary gap related vocabulary gap

More complex text demands reading comprehension More complex text demands reading comprehension strategies and higher level thinking and reasoning strategies and higher level thinking and reasoning skills that remain deficient in many childrenskills that remain deficient in many children

On the one hand.On the one hand.

Hartsfield Hartsfield might be criticized for placing too much might be criticized for placing too much emphasis on phonemic awareness, phonics, and emphasis on phonemic awareness, phonics, and fluency and not enough emphasis on comprehensionfluency and not enough emphasis on comprehension

But on the other hand.But on the other hand.

We could recognize their success in teaching all We could recognize their success in teaching all children critical beginning reading skills, and work children critical beginning reading skills, and work with them to add in more powerful instruction in with them to add in more powerful instruction in vocabulary and comprehension strategiesvocabulary and comprehension strategies

This brings us to the first important gap This brings us to the first important gap in our knowledge related to the in our knowledge related to the

prevention of reading difficulties in all prevention of reading difficulties in all childrenchildren

We do not yet understand the We do not yet understand the conditions that need to be in place to conditions that need to be in place to close the gap for children who enter close the gap for children who enter school seriously behind in vocabulary school seriously behind in vocabulary

development .development .

Bringing Bringing Words to LifeWords to Life

Isabel BeckIsabel Beck

M. M. McKeownMcKeown

L. L. KucanKucan

Guilford PressGuilford Press

robust robust vocabulary vocabulary instructioninstruction

What do we know about the What do we know about the effectiveness of most special effectiveness of most special education interventions for education interventions for

children with reading difficulties in children with reading difficulties in third grade and later?third grade and later?

We know that it tends to We know that it tends to stabilize stabilize the relative deficit in reading skill the relative deficit in reading skill

rather than rather than remediateremediate it.it.

Change in Reading Skill for Children with Reading Disabilities who Experience Growth in Reading of .04 Standard

Deviations a Year

020406080

100120

Grad

e3 G

rade4

Grad

e5 G

rade6

Grade Level

Stan

dard

Sco

re in

R

eadi

ng AverageReadersDisabledReaders

70 71.8

The ultimate test of the value of The ultimate test of the value of special education is that, once special education is that, once identified, identified, children close the gap with children close the gap with their peerstheir peers. . (Presidents commission, 2002)(Presidents commission, 2002)

Examine outcomes from five clinical or experimental Examine outcomes from five clinical or experimental studies of remedial interventions with children from studies of remedial interventions with children from 1010--12 years of age experiencing reading difficulties12 years of age experiencing reading difficulties

OneOne sample of mildly impaired children with beginning word sample of mildly impaired children with beginning word level skills around the 30th percentile.level skills around the 30th percentile.

TwoTwo samples of moderately disabled children with samples of moderately disabled children with beginning word level skills around the 10th percentilebeginning word level skills around the 10th percentile

TwoTwo samples of severely disabled children with beginning samples of severely disabled children with beginning word level skills around the 2nd percentileword level skills around the 2nd percentile

Instructional Effectiveness Measured by Instructional Effectiveness Measured by Outcomes in Four AreasOutcomes in Four Areas

Phonemic Decoding AccuracyPhonemic Decoding Accuracy ---- skill at using soundskill at using sound--letter letter relationships to decode novel wordsrelationships to decode novel words

Text reading accuracyText reading accuracy ---- Accuracy with which individual words Accuracy with which individual words are identified in textare identified in text

Text reading fluencyText reading fluency ---- speed of oral reading of connected speed of oral reading of connected texttext

Reading ComprehensionReading Comprehension ---- accuracy with which meaning is accuracy with which meaning is constructed during readingconstructed during reading

Outcomes measured in standard scores.Outcomes measured in standard scores. An improvement in standard An improvement in standard score means that a child is improving his/her reading skills comscore means that a child is improving his/her reading skills compared to pared to average readers. On all the measures used here, 100 is averageaverage readers. On all the measures used here, 100 is average..

A Brief Description of the Spell/Read P.A.T. programA Brief Description of the Spell/Read P.A.T. program

Distribution of activities in a typical 70 minute session:Distribution of activities in a typical 70 minute session:

40 minutes 40 minutes ---- Phonemic awareness/phonicsPhonemic awareness/phonics

20 minutes 20 minutes ---- shared readingshared reading

7 minutes 7 minutes ---- writing about what was readwriting about what was read

3 minutes 3 minutes ---- wrap upwrap up

Systematic instruction in phonic elements beginning Systematic instruction in phonic elements beginning with mastery of 44 phonemes at single syllable level with mastery of 44 phonemes at single syllable level through multithrough multi--syllable strategies. Fluency oriented syllable strategies. Fluency oriented practice from beginning of instruction. Discussion and practice from beginning of instruction. Discussion and writing to enhance comprehension.writing to enhance comprehension.

A Clinical Sample of 48 Students aged 8A Clinical Sample of 48 Students aged 8--1616

Middle and upperMiddle and upper--middle class studentsmiddle class students

Mean Age 11 yearsMean Age 11 years

79% White, 67% Male79% White, 67% Male

Received 45Received 45--80 hours (mean=60) hours of instruction80 hours (mean=60) hours of instruction

Intervention provided in groups of 2Intervention provided in groups of 2--44

Remedial Method: Spell Read P.A.T.Remedial Method: Spell Read P.A.T.

Mean beginning Word Identification Score = 92 Mean beginning Word Identification Score = 92

Children with word level skills around the 30th percentileChildren with word level skills around the 30th percentile

Outcomes from 60 Hours of Small Group Intervention with upper middle class students--Spell Read

99

108

114 113

70

80

100

Sta

ndar

d S

core

110

30%939090

86

71

Reading Comp.

Text Reading

Rate

Word Attack

Text Reading Accuracy

A Middle School Sample of 14 Students aged 11A Middle School Sample of 14 Students aged 11--1414

Working class studentsWorking class students

Mean Age 12 yearsMean Age 12 years

39% White, 64% Male39% White, 64% Male

Received 37Received 37--58 hours (mean=51.4) hours of 58 hours (mean=51.4) hours of instructioninstruction


Remedial Method: Spell Read P.A.T.Remedial Method: Spell Read P.A.T.

Mean Word Identification Score = 80Mean Word Identification Score = 80

Children with word level skills around the 10 percentileChildren with word level skills around the 10 percentile

Outcomes from 50 Hours of Small Group Intervention with working class students--Spell Read

78

94

102

90

70

80

100

110

Sta

ndar

d S

core

30%9087

82 82

69

Reading Comp.

Text Reading

Rate

Word Attack


A SchoolA School--based, treatment control study of 40 studentsbased, treatment control study of 40 students

60% Free and reduced lunch 60% Free and reduced lunch

Mean Age 12 years (range 11Mean Age 12 years (range 11--14)14)

45% White, 45% Black, 10% other45% White, 45% Black, 10% other

53% in special education53% in special education

Received 94Received 94--108 hours (mean=100) hours of instruction108 hours (mean=100) hours of instruction


Remedial Methods:Remedial Methods:

Mean Word Identification Score = 83Mean Word Identification Score = 83

Children begin with word level skills around 10th percentile

Spell Read P.A.T.Spell Read P.A.T.

Children begin with word level skills around 10th percentile

Outcomes from 100 Hours of Small Group Intervention--Spell Read

79

96

111

96

70

80

100

110

Sta

ndar

d S

core

30%90

88

77 77

65

Reading Comp.

Text Reading

Rate

Word Attack


A study of intensive, highly skilled intervention with 60 A study of intensive, highly skilled intervention with 60 children who had severe reading disabilitieschildren who had severe reading disabilities

Children were between 8 and 10 years of ageChildren were between 8 and 10 years of age

Had been receiving special education services for an average of Had been receiving special education services for an average of 16 months16 months

Nominated as worst readers: at least 1.5 S.Ds below grade levelNominated as worst readers: at least 1.5 S.Ds below grade level

Average Word Attack=69, Word Identification=69, Verbal IQ=93Average Word Attack=69, Word Identification=69, Verbal IQ=93

Randomly assigned to two instructional conditions that both taugRandomly assigned to two instructional conditions that both taught ht phonics explicitly, but used different procedures with differephonics explicitly, but used different procedures with different emphasisnt emphasis

Children in both conditions received 67.5 hours of oneChildren in both conditions received 67.5 hours of one--onon--one instruction, one instruction, 2 hours a day for 8 weeks2 hours a day for 8 weeks

Children were followed for two years after the intervention was Children were followed for two years after the intervention was completedcompleted

Outcomes from 67.5 Hours of Intensive LIPS Intervention

100

75

86

96

89

70

80

Sta

ndar

d S

core

90

Word Attack


Reading Comp.

Text Reading

Rate

68

7473 71

83

91 30%

Oral Reading Fluency was much improved on passages for which level of difficulty remained constant

Absolute change in rate from pretest to 2-year follow-up.

Most difficult passage

Prestest -- 38 WPM, 10 errors

Posttest -- 101 WMP, 2 errors

Next most difficult passage

Pretest -- 42 WPM, 6 errors

Posttest -- 104 WPM, 1 error

Growth in Total Reading Skill Before, During, and Following Intensive Intervention

Sta

ndar

d S

core

95

90

85LIPS

EP80

75

P-Pretest Pre Post 1 year 2 year

Interval in Months Between Measurements

FollowFollow--up study of intensive intervention with 60 children up study of intensive intervention with 60 children who have severe reading disabilities who have severe reading disabilities -- preliminary resultspreliminary results

Children were between 8 and 10 years of ageChildren were between 8 and 10 years of age

All are currently receiving or were identified for special educaAll are currently receiving or were identified for special education servicestion services

Nominated as worst readers: at least 1.5 S.Ds below grade levelNominated as worst readers: at least 1.5 S.Ds below grade level

Average Word Attack= 72, Word Identification= 72, Verbal IQ=87Average Word Attack= 72, Word Identification= 72, Verbal IQ=87

Randomly assigned to two instructional conditions that both taugRandomly assigned to two instructional conditions that both taught ht phonics explicitly, but contained different emphasis on fluencphonics explicitly, but contained different emphasis on fluency oriented y oriented practicepractice

Children in both conditions received 83 hours of oneChildren in both conditions received 83 hours of one--onon--one and 50 one and 50 hours of small group instruction, 2 hours a day for 16 weekhours of small group instruction, 2 hours a day for 16 week

Preliminary results for 45 children in both conditions combinedPreliminary results for 45 children in both conditions combined

Major differences between Accuracy and Accuracy Major differences between Accuracy and Accuracy + Fluency Groups+ Fluency Groups

Accuracy Accuracy + Fluency

First 33 Hrs. 1:1 LIPS LIPS

Next 50 Hrs. 1:1 LIPS 70% LIPS, 3O% Fluency

Next 50 Hrs. Sm. Grp. Extended LIPS Comprehension--V V

Comprehension V V Repeated reading practice

Accuracy Oriented with text and word drills

Text practice

Outcomes from 133 Hours of Intensive LIPS + Fluency+ Comprehension Intervention

87

96

85

70

80

100

Sta

ndar

d S

core 30%

90

7873

7376

72

Reading Comp.

Text Reading

Rate

Word Attack


Summary and Conclusions:Summary and Conclusions:

1. For many older children with word level reading skills aroun1. For many older children with word level reading skills around the d the 30th percentile, a relatively brief (60hrs) dose of appropriate 30th percentile, a relatively brief (60hrs) dose of appropriate small small group instruction can bring their skills in phonemic decoding, tgroup instruction can bring their skills in phonemic decoding, text ext reading accuracy and fluency, and comprehension solidly into thereading accuracy and fluency, and comprehension solidly into theaverage range.average range.

2. For many older children with word level reading skills aroun2. For many older children with word level reading skills around the d the 10th percentile, a more substantial dose (100hrs) of appropriate10th percentile, a more substantial dose (100hrs) of appropriatesmall group instruction can bring their skills in phonemic decodsmall group instruction can bring their skills in phonemic decoding, ing, text reading accuracy, and reading comprehension solidly into thtext reading accuracy, and reading comprehension solidly into the e average range. Although the gap in reading fluency can be closedaverage range. Although the gap in reading fluency can be closedsomewhat, reading fluency is likely to remain substantially impasomewhat, reading fluency is likely to remain substantially impaired. ired.

3. For older children with word level reading skills around the3. For older children with word level reading skills around the 2nd 2nd percentile, intensive interventions can have a strong effect on percentile, intensive interventions can have a strong effect on phonemic decoding, text reading accuracy, and reading phonemic decoding, text reading accuracy, and reading comprehension, but they are likely to leave the fluency gap essecomprehension, but they are likely to leave the fluency gap essentially ntially unaffected.unaffected.

Disparity in outcomes for rate vs. accuracy in five remediation studies

70

80

90

100

Sta

ndar

d S

core

Accuracy

Rate

2nd 2nd 10th 10th 30th

Beginning level of Word Identification Skill

Our current hypothesis about the difficult fluency gapOur current hypothesis about the difficult fluency gap

Children who struggle initially in learning to read miss out on Children who struggle initially in learning to read miss out on many many hundreds of thousands of opportunities to learn to recognize indhundreds of thousands of opportunities to learn to recognize individual ividual words because they read inaccurately and they dont read very muwords because they read inaccurately and they dont read very much.ch.

By the time they reach 3By the time they reach 3--4 grade, their sight word vocabulary is 4 grade, their sight word vocabulary is severely restricted compared to good readers of their same ageseverely restricted compared to good readers of their same age

After they become more accurate readers, there is still a huge gAfter they become more accurate readers, there is still a huge gap in ap in the number of words they can recognize by sight. They cant catthe number of words they can recognize by sight. They cant catch up ch up with their peers because 4with their peers because 4thth and 5and 5thth grade good readers are continuing grade good readers are continuing to add words to their sight vocabulary at a very fast rate.to add words to their sight vocabulary at a very fast rate.

Projected growth in sight vocabulary of normal readers and disabled children before and after remediation

Normal

InterventionSiz

e of

sig

ht v

ocab

ular

y

Dyslexic

2nd Year follow-up

1 2 3 4 5 6 7

Grade in School





A very important factor in determining how fluently a child willA very important factor in determining how fluently a child will read a read a passage involves the proportion of words in the passage the chilpassage involves the proportion of words in the passage the child can d can recognize by sightrecognize by sight

These are iNTirEStinG and cHallinGinGtimes for anyone whose pRoFEshuNleresponsibilities are rEelaTed in any way to liTiRucY outcomes among school cHilDRun. For, in spite of all our new NaWLEGe about rEeDiNg and reading iNstRukshun, there is a wiDE-SpReDconcern that public EdgUkAshuN is not as eFfEktIve as it sHood be in tEecHiNg all children to read.





A very important factor in determining how fluently a child willA very important factor in determining how fluently a child will read a read a passage involves the proportion of words in the passage the chilpassage involves the proportion of words in the passage the child can d can recognize by sightrecognize by sight

Unless poor readers who have received strong remediation can addUnless poor readers who have received strong remediation can addwords to their sight vocabulary at a words to their sight vocabulary at a fasterfaster rate than their peers, the rate than their peers, the fluency gap will continuefluency gap will continue

What happens to accuracy and fluency of reading What happens to accuracy and fluency of reading scores when children receive powerful preventive scores when children receive powerful preventive

instruction?instruction?

Disparity in outcomes for rate vs. accuracy in remediation and prevention studies

70

80

90

100

Sta

ndar

d S

core

4th grade 2nd grade

Accuracy

Rate

2nd 2nd 10th 10th Prev 1 Prev 2 30th

Beginning level of Word Identification Skill

Summary and qualification:Summary and qualification:After problems with reading accuracy have been After problems with reading accuracy have been substantiallysubstantially remediatedremediated through intensive through intensive instruction, children remaininstruction, children remain dysfluentdysfluent readers readers relative to age peers primarily because there are relative to age peers primarily because there are too many wordstoo many words in grade level passages that they in grade level passages that they still cannot recognize as sight wordsstill cannot recognize as sight words

1. Their early practice deficits leave them just too many 1. Their early practice deficits leave them just too many words behind in the growth of their sight vocabularywords behind in the growth of their sight vocabulary

2. Some dyslexic children may also have special 2. Some dyslexic children may also have special difficulties acquiring sight words for neurobiological difficulties acquiring sight words for neurobiological reasonsreasons

The second important gap in our The second important gap in our knowledge related to the instruction for knowledge related to the instruction for

children with reading difficultieschildren with reading difficulties

We do not yet understand the We do not yet understand the conditions that need to be in place to conditions that need to be in place to close the gap in reading fluency for close the gap in reading fluency for children who reach late elementary children who reach late elementary

school with school with seriousserious word level word level reading difficultiesreading difficulties

Thank Thank YouYou

www.fcrr.orgwww.fcrr.orgthe science of readingthe science of reading

http://www.fcrr.org/

TIER I: CORE CLASS INSTRUCTION (contd)

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