NUR 80A/B Chapter Notes - Chapter 9: The Control Group, Primary Nursing, Western Electric

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3 Feb 2016
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  

- !"#!#$%$&'()&$ $*$"! !!$#+$,&-,# )#&*-$)
$-&, (# %**$,&.&&"!-$$+&!#!#"!#-$&&.,&
# !#&%&+*
-/*$%!#" !"#!#/$*/ !!$#" !#"-$**$0!#"%&$-&
&, (1
o
!**&+#!#&/#&!$#2
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!! !&!#&!$#+&0#3%!)#&*# #$#73%!)#&*

#&.#!#&/#&!$#6& !"#%!8!&-&,
o
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!#&%&+!*!&($-,*&
$#! &!3)%*10$)#0$ #+$&!$#0$)% 
0!&0$)#0$ *!/ ++(!#&)$-)$&!$#*0**7+!#"
!&$,&$)%!$#"$,%600$,* #.&'#$00&+$&!$#
"$,%))+.)$&!$#*&&,0#$)*$,
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!4#&"$,%$)% 
o
$00!**&3&#$,/!+*+$#&$** 2
$)%*3!&($-*&!$#!%)$#"/!+*)'!& !9,*&&$&&
(%$&,#)+!",$,*(,#*4$&) &$$#&$*
$#-$,# !#"-&$
o
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&$**& -$)%&!!%#&&!#"*%$!#&!#&!)+,&$)!#*:
),*&!%*$#&&0!&%&!!%#&&$ &)!#$0&!#"/
#" $/&!)
o
#0&&&!#"0!**&&, (&'%*2
$)&!)&(.$**& !#*70$* &&!#"# $&&!)!&.
$**& !#!"*($#&$** #/!$#)#&&+*! -$
%,%$

!)#!$# !"# ;$&,
$#&$*$/
!# %# #&
/!+*
Experimental
,!73%!)#&*
$#73%!)#&*
Manipulation of independent variable, control
group, randomization
#!%,*&!$#$-!# %# #&/!+*5#$
# $)!<&!$## =$#$$)%!$#"$,%+,&
4$&&$$)%#&-$&!*'
$)#!%,*&!$#$-!# %# #&/!+*
(%$-"$,%
$)%!$#
Between-subjects
!&!#7,+;&
Subjects in groups being compared are
dierent people
,+;&!#"$,%+!#"$)% &)
%$%*& !4#&&!)$!# !4#&$# !&!$#
!)-) Cross-sectional Data are collected at a single point in time
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  
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#3&#  %!$
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Retrospective
@$%&!/
Study begins with dependent variable and
looks backward for cause or in%uence
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-$0 -$&4&
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Data collected in real-world setting
&$**& !#$#&!/ *+$&$(&&!#"
@?67@?67@?
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,!#"#3%!)#&* !"#&!/"#&&&#%!/$+/
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A:
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"$,%# $)*(
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+-$7-& !"#
C
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Basic designs.$&+!3%!)#&* !"#!#/$*/# $)!<!#",+;&&$
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-! !"#!post-test-onlyB$
-&7$#*(
Cdesign
-$0! *(,  !"#!the before-after design60!!#/$*/$**&!#"
baseline data$#& %# #&/!+*+-$&!#&/#&!$## outcome
data-&!&
3%!)#&*# $#&$*$# !&!$#
-$#&$*"$,%$# !&!$#, +!$-$)%!$#!$)&!)** &
$,#&-&,*
-/$!+$,&0&&$,&$,#&-&,*6# &
!!$#!)%*!&!$#-$!#&%&!#"&8# !#"
o)$#"&%$!+!*!&!-$&$,#&-&,*&-$**$0!#"1
$!#&/#&!$#E&$#&$*"$,%"&#$&&)#&&**
#*&#&!/&&)#&B!::, !&$(/,&&!*&!),*&!$#C
placebo$%, $7!#&/#&!$#%,) &$/#$&%,&!
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