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N307 Research for Evidence-
Based PracticeSDSU IV Camps
!a"" #0$%
Chapter &' (o) )ere those peop"e stdied*
(Used with modification by L. Greiner Fall 2015)
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Independent varia+"es aresed to e,p"ain or predict
A. Tre
!. False
". #t de$ends
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Dependent varia+"es are )hat)e )ant to e,p"ain or predict
A. Tre
!. False
". #t de$ends
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Dependent varia+"es are )hat)e )ant to e,p"ain or predict
A. Tre
!. False
". #t de$ends
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.a fee"in/ of sorro) and "ossassociated )ith a decrease ine,citement a+ot "ivin/
A. A theoretical definition of sadness
!. A descri$tion of sadness
". An o$erational definition of sadness
%.&one of the abo'e
. All of the abo'e
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1ethods for constrctin/ themeanin/ of varia+"es in2a"itative research
*alitati'e methods do not aim to measre ins$ecific or concrete ways.
*alitati'e methods do aim to e+$and ornderstandin,.
*alitati'e methods de$end on $artici$ants-o$en sharin, of their tho,hts feelin,s and
e+$eriences.
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In 2antitative stdiesnstrctred intervie)s ma4 +esed to co""ect data
A. Tre
!. False
". #t de$ends
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In data co""ection an.instrment refers to
A. A blood $ressre cff
!. A /estionnaire
". An nstrctred inter'iew
%.&one of these
. All of these
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In data co""ection a .sca"erefers to
A. bect sed to obtain wei,ht
!. tatements to measre a 'ariable
". A /estionnaire
%.&one of these
. All of these
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5r4 it ot6
#nde+ of ocial "ontrol
3 4ow many items are there
3 4ow is it scored
3 6hat does it mean
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In 2antitative research )hich t4pe ofmeasrement )o"d +e sed*
A. 7artici$ant bser'ation!. Unstrctred #nter'iews
". *estionnaires
%. 7hoto,ra$hs
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Can )e a")a4s measresomethin/ )ith $00 accrac4*
#f two nrses measre blood $ressre within 1minte of each other will they ,et the identicalreadin,
&o becase each may ha'e a sli,htly different
le'el of hearin, $lace the cff at a sli,htlydifferent $lace or ha'e a different /ality ofstethosco$e.
o the measrement of 'ariables in research is
o$en to 888.
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Error in measrement6
"an be $resent in either/alitati'e or /antitati'e stdies
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.Error is
A. A'oidable with a$$ro$riate method
!. %ifference between what is real and what is fondin the data
". 9stifiable in a small sam$le
%.&one of these. All of these
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In a 2a"itative std4 )hich ofthe fo""o)in/ redces error*
A. am$le si:e
!. ;ethod
". 8i,or
%.&one of these
. All of these
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Ri/or' Process of data co""ectionand ana"4sis in 2a"itative stdies
8i,or is reflected in the3 consistency of data analysis and
inter$retation
3 trstworthiness of data
3 transferability of themes
3 credibility of the data
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In a 2antitative std4 )hich ofthe fo""o)in/ redces error*
A. 8eliability and <alidity
!. <alidity only
". 8eliability only
%.8i,or
. &one of these
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RE8I9BI85I:' Decreasin/ error in2antitative stdies
8eliability = the ability of a measre toconsistent"4 yield the same reslts if
there has trly been no chan,eThree a$$roaches to measrin, orchec>in, reliability of /antitati'e
measres
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5his t4pe of re"ia+i"it4 )i"" measre thesame s+;ect on t)o separate occasionssin/ the same instrment
A. Al$ha coefficient
!. #nternal consistency reliability
". #nterrater reliability
%. Test–retest reliability
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V98IDI5:' Decreasin/ error in2antitative stdies
+amines how accrate the measre
is or how tre reslts are sin, themeasre
A measre can be reliable bt not
'alid.
That is it can be consistent btconsistently measre incorrectly.
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9 researcher is considerin/ sin/ eitherthe P(<-= or the Bec> Depression Sca"ein her std4 ?hich t4pe of va"idit4 )i""he"p her decide if the measres aree2iva"ent*
A. "ontent 'alidity
!. "riterion related 'alidity
". "onstrct 'alidity
%. &one of these
. All of these
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Connections
%ata collection affects sam$lin,.
#f the stdy re/ires a blood test and # amafraid of needles # will not $artici$ate.
The ri,or reliability and 'alidity of measres
affect the /ality of reslts and conclsions. %ata collection and the /ality of the
measrement may be a limit to a stdy.
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In c"ass activit46or> with yor ,ro$ to re'iew the stdies yo ha'efond for yor $roect. Answer these /estions?
1.%etermine if the stdies are /antitati'e or/alitati'e and se$arate them into these twocate,ories. 4ow did yo decide
2.@o may ha'e to ma>e a se$arate cate,ory for
mi+ed methodB stdiesC
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!or <a"itative Stdies4ow did the athors collect their data
Unstrctred inter'iews
7artici$ant obser'ation
Gro$ inter'iews
ther
6rite a short sentence to define each of these methods and then for eachstdy e+$lain how the athor sed them (2DE sentences).
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!or <a"itative Stdies4ow did the athors address
Trstworthiness
"onfirmability
Transferablity
"redibility
6rite a short sentence to define each of these conce$ts and then for eachstdy e+$lain how the athor addressed them.
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!or <antitative Stdies4ow did the athors collect their data
trctred inter'iews
emiDstrctred inter'iews
*estionnaire
7hysiolo,ic measres
ther
6rite a short sentence to define each of these methods and for each stdy e+$lain how theathor sed them (2DE sentences).
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!or <antitative Stdies4ow did the athors address
8eliability
3 #nterrater testDretest and internal consistency reliability
<alidity
3 "ontent criterion and constrct 'alidity
6rite a short sentence to define each of these conce$ts and for each stdy e+$lain
how the athor addressed them.
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<estions*