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Author's title

Author

*The author of this computation has been verified*

R Software Module

rwasp_cronbach.wasp

Title produced by software

Cronbach Alpha

Date of computation

Thu, 11 Dec 2014 10:03:11 +0000

Cite this page as follows

Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?v=date/2014/Dec/11/t1418292195phe9ww2lx2ua4rv.htm/, Retrieved Thu, 16 May 2024 06:36:30 +0000

Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=265665, Retrieved Thu, 16 May 2024 06:36:30 +0000

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Original text written by user:

IsPrivate?

No (this computation is public)

User-defined keywords

Estimated Impact

123

Family? (F = Feedback message, R = changed R code, M = changed R Module, P = changed Parameters, D = changed Data)

-     [Survey Scores] [Intrinsic Motivat...] [2010-10-12 11:18:40] [b98453cac15ba1066b407e146608df68]
- RMP   [Survey Scores] [] [2014-10-09 22:08:50] [32b17a345b130fdf5cc88718ed94a974]
- R PD    [Survey Scores] [] [2014-12-10 08:52:21] [99723d3e379f668157309b7b2091b15d]
- RMPD        [Cronbach Alpha] [] [2014-12-11 10:03:11] [9cfaa8765546b50e5519e275546e5cfe] [Current]

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Dataseries X:

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Histogram

Boxplots

2 4 4 4 4 4
3 3 3 2 3 3
3 4 4 3 4 4
4 2 2 3 3 3
3 4 2 3 4 3
2 4 3 2 3 3
4 4 4 4 4 4
2 2 3 3 3 3
1 3 2 3 4 4
4 2 5 4 4 4
2 4 2 2 4 2
4 4 3 3 4 4
2 4 3 4 2 2
2 4 4 4 4 3
4 4 5 4 4 4
3 4 4 4 4 4
4 4 3 3 4 2
3 4 3 3 3 3
4 4 3 2 3 3
4 5 5 4 2 5
2 4 5 4 4 3
3 4 3 3 3 3
4 4 5 4 5 4
4 4 4 4 5 4
1 4 4 4 4 4
2 4 3 4 4 2
4 4 4 3 2 4
2 4 3 2 2 3
2 4 2 2 1 1
3 2 2 2 3 2
2 2 3 2 2 3
5 5 5 2 4 4
5 5 4 2 3 4
2 2 2 2 1 2
4 4 4 4 2 3
4 2 3 2 4 2
3 4 3 3 3 4
3 5 3 4 5 4
2 3 2 2 1 2
2 4 4 2 2 2
4 5 5 4 5 5
1 2 2 2 1 1
4 4 3 3 4 2
3 5 3 3 3 3
2 4 4 2 3 3
2 3 3 2 4 4
5 5 5 5 5 4
4 3 4 2 4 4
4 2 5 3 4 3
3 4 2 2 3 2
1 2 2 1 3 2
3 4 4 4 3 3
1 5 5 5 5 5
4 4 2 2 4 4
2 4 3 4 4 3
2 4 4 2 2 4
2 2 3 2 4 4
4 4 3 3 4 2
2 4 4 2 3 4
2 4 4 2 2 4
5 5 3 4 3 4
2 2 3 2 3 3
3 3 3 4 2 4
2 3 3 2 3 2
2 4 3 4 2 3
3 4 4 4 4 4
4 3 3 2 2 4
4 3 1 1 1 1
2 4 5 2 4 4
2 4 3 4 4 3
2 3 4 2 4 4
3 4 4 4 1 2
2 4 4 3 4 4
3 5 3 3 2 4
4 4 4 4 4 4
3 2 3 3 4 4
3 3 4 2 3 2
2 4 4 2 4 2
4 4 4 3 3 4
3 3 2 3 2 2
2 5 3 3 4 3
3 3 3 3 4 3
3 4 3 3 2 4
3 4 3 3 3 3
2 4 2 1 4 4
4 4 5 5 4 3
2 2 1 1 4 2
4 3 4 2 3 3
3 3 2 2 3 3
4 4 4 4 4 4
3 4 4 2 4 3
3 3 2 2 3 2
2 3 3 3 4 2
2 3 2 2 2 2
4 4 3 2 3 3
3 4 4 3 3 3
3 4 2 3 3 3
3 4 4 4 4 3
3 4 4 2 3 3
2 3 2 2 2 2
3 3 3 1 2 4
4 4 4 4 4 4
3 4 3 2 4 3
4 3 4 3 2 4
3 4 3 4 3 4
2 4 2 2 2 2
3 5 4 3 4 4
3 4 2 4 5 4

Summary of computational transaction
Raw Input	view raw input (R code)
Raw Output	view raw output of R engine
Computing time	0 seconds
R Server	'George Udny Yule' @ yule.wessa.net

\begin{tabular}{lllllllll}
\hline
Summary of computational transaction \tabularnewline
Raw Input & view raw input (R code)  \tabularnewline
Raw Output & view raw output of R engine  \tabularnewline
Computing time & 0 seconds \tabularnewline
R Server & 'George Udny Yule' @ yule.wessa.net \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=265665&T=0

[TABLE]
[ROW][C]Summary of computational transaction[/C][/ROW]
[ROW][C]Raw Input[/C][C]view raw input (R code) [/C][/ROW]
[ROW][C]Raw Output[/C][C]view raw output of R engine [/C][/ROW]
[ROW][C]Computing time[/C][C]0 seconds[/C][/ROW]
[ROW][C]R Server[/C][C]'George Udny Yule' @ yule.wessa.net[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=265665&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=265665&T=0

As an alternative you can also use a QR Code:

The GUIDs for individual cells are displayed in the table below:

Summary of computational transaction
Raw Input	view raw input (R code)
Raw Output	view raw output of R engine
Computing time	0 seconds
R Server	'George Udny Yule' @ yule.wessa.net

Cronbach Alpha and Related Statistics
Items	Cronbach Alpha	Std. Alpha	G6(smc)	Average R
All itmes	0.7572	0.7589	0.7391	0.3442
PERFECTIONISM4 excluded	0.7666	0.7674	0.7374	0.3976
PERFECTIONISM6 excluded	0.7307	0.7326	0.704	0.354
PERFECTIONISM12 excluded	0.6877	0.6908	0.6551	0.3088
PERFECTIONISM19 excluded	0.7047	0.7073	0.6752	0.3258
PERFECTIONISM24 excluded	0.738	0.7391	0.7086	0.3616
PERFECTIONISM30 excluded	0.6972	0.6989	0.6641	0.3171

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.7572 & 0.7589 & 0.7391 & 0.3442 \tabularnewline
PERFECTIONISM4 excluded & 0.7666 & 0.7674 & 0.7374 & 0.3976 \tabularnewline
PERFECTIONISM6 excluded & 0.7307 & 0.7326 & 0.704 & 0.354 \tabularnewline
PERFECTIONISM12 excluded & 0.6877 & 0.6908 & 0.6551 & 0.3088 \tabularnewline
PERFECTIONISM19 excluded & 0.7047 & 0.7073 & 0.6752 & 0.3258 \tabularnewline
PERFECTIONISM24 excluded & 0.738 & 0.7391 & 0.7086 & 0.3616 \tabularnewline
PERFECTIONISM30 excluded & 0.6972 & 0.6989 & 0.6641 & 0.3171 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=265665&T=1

[TABLE]
[ROW][C]Cronbach Alpha and Related Statistics[/C][/ROW]
[ROW][C]Items[/C][C]Cronbach Alpha[/C][C]Std. Alpha[/C][C]G6(smc)[/C][C]Average R[/C][/ROW]
[ROW][C]All itmes[/C][C]0.7572[/C][C]0.7589[/C][C]0.7391[/C][C]0.3442[/C][/ROW]
[ROW][C]PERFECTIONISM4 excluded[/C][C]0.7666[/C][C]0.7674[/C][C]0.7374[/C][C]0.3976[/C][/ROW]
[ROW][C]PERFECTIONISM6 excluded[/C][C]0.7307[/C][C]0.7326[/C][C]0.704[/C][C]0.354[/C][/ROW]
[ROW][C]PERFECTIONISM12 excluded[/C][C]0.6877[/C][C]0.6908[/C][C]0.6551[/C][C]0.3088[/C][/ROW]
[ROW][C]PERFECTIONISM19 excluded[/C][C]0.7047[/C][C]0.7073[/C][C]0.6752[/C][C]0.3258[/C][/ROW]
[ROW][C]PERFECTIONISM24 excluded[/C][C]0.738[/C][C]0.7391[/C][C]0.7086[/C][C]0.3616[/C][/ROW]
[ROW][C]PERFECTIONISM30 excluded[/C][C]0.6972[/C][C]0.6989[/C][C]0.6641[/C][C]0.3171[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=265665&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=265665&T=1

As an alternative you can also use a QR Code:

The GUIDs for individual cells are displayed in the table below:

Cronbach Alpha and Related Statistics
Items	Cronbach Alpha	Std. Alpha	G6(smc)	Average R
All itmes	0.7572	0.7589	0.7391	0.3442
PERFECTIONISM4 excluded	0.7666	0.7674	0.7374	0.3976
PERFECTIONISM6 excluded	0.7307	0.7326	0.704	0.354
PERFECTIONISM12 excluded	0.6877	0.6908	0.6551	0.3088
PERFECTIONISM19 excluded	0.7047	0.7073	0.6752	0.3258
PERFECTIONISM24 excluded	0.738	0.7391	0.7086	0.3616
PERFECTIONISM30 excluded	0.6972	0.6989	0.6641	0.3171

Parameters (Session):

par1 = TRUE ;

Parameters (R input):

par1 = TRUE ;

R code (references can be found in the software module):

library(psych)
par1b <- T
if(par1=='FALSE') par1b <- F
z <- t(y)
(r <- alpha(z,check.keys=par1b))
load(file='createtable')
a<-table.start()
a<-table.row.start(a)
a<-table.element(a,'Cronbach Alpha and Related Statistics',5,TRUE)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'Items',1,TRUE)
a<-table.element(a,'Cronbach Alpha',1,TRUE)
a<-table.element(a,'Std. Alpha',1,TRUE)
a<-table.element(a,'G6(smc)',1,TRUE)
a<-table.element(a,'Average R',1,TRUE)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'All itmes',header=TRUE)
a<-table.element(a,round(r$total['raw_alpha'],4))
a<-table.element(a,round(r$total['std.alpha'],4))
a<-table.element(a,round(r$total['G6(smc)'],4))
a<-table.element(a,round(r$total['average_r'],4))
a<-table.row.end(a)
n = length(z[1,])
for (i in 1:n) {
a<-table.row.start(a)
a<-table.element(a,paste(colnames(z)[i],' excluded',sep=''),header=TRUE)
a<-table.element(a,round(r$alpha.drop[i,'raw_alpha'],4))
a<-table.element(a,round(r$alpha.drop[i,'std.alpha'],4))
a<-table.element(a,round(r$alpha.drop[i,'G6(smc)'],4))
a<-table.element(a,round(r$alpha.drop[i,'average_r'],4))
a<-table.row.end(a)
}
a<-table.end(a)
table.save(a,file='mytable.tab')

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Figures (Output of Computation)

Input Parameters & R Code