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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

Sun, 14 Dec 2014 22:12:54 +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/14/t141859519522k1g4bq4bf9k1a.htm/, Retrieved Thu, 12 Feb 2026 11:45:11 +0000

Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=267913, Retrieved Thu, 12 Feb 2026 11:45:11 +0000

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Original text written by user:

IsPrivate?

No (this computation is public)

User-defined keywords

Estimated Impact

283

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

-       [Cronbach Alpha] [] [2014-12-14 22:12:54] [37e054ac358b2aa7c2a1d0b751dfa890] [Current]

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Dataseries X:

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Histogram

Boxplots

4 4 4 2 4 4 4
4 2 4 2 2 4 2
3 3 3 2 2 3 3
4 4 2 4 3 4 4
2 2 4 2 3 3 3
4 2 3 3 3 4 3
4 3 4 2 2 3 3
4 4 4 4 4 4 4
2 3 3 3 3 3 3
3 2 4 4 3 4 4
2 5 5 2 4 4 4
4 2 4 2 2 4 2
4 3 4 4 3 4 4
4 3 2 2 4 2 2
4 4 3 3 4 4 3
4 5 5 2 4 4 4
4 4 3 4 4 4 4
4 3 4 1 3 4 2
4 3 4 3 3 3 3
4 3 3 3 2 3 3
5 5 4 4 4 2 5
4 5 5 4 4 4 3
4 3 3 2 3 3 3
4 5 4 4 4 5 4
4 4 3 4 4 5 4
4 4 4 3 4 4 4
4 3 3 2 4 4 2
4 4 4 2 3 2 4
4 3 4 3 2 2 3
4 2 4 1 2 1 1
2 2 3 2 2 3 2
5 2 5 5 5 5 4
2 3 4 2 2 2 3
5 5 3 2 2 4 4
5 4 3 4 2 3 4
2 2 2 4 2 1 2
4 4 4 3 4 2 3
2 3 3 4 2 4 2
4 3 4 3 3 3 4
5 3 3 4 4 5 4
3 2 4 1 2 1 2
4 4 4 2 2 2 2
5 5 5 4 4 5 5
2 2 4 1 2 1 1
4 3 3 2 3 4 2
5 3 4 3 3 3 3
4 4 4 3 2 3 3
3 3 3 2 2 4 4
5 5 4 5 5 5 4
3 4 4 3 2 4 4
2 5 4 2 3 4 3
4 2 3 4 2 3 2
2 2 3 1 1 3 2
4 4 4 3 4 3 3
5 5 5 4 5 5 5
4 2 2 4 2 4 4
4 3 4 3 4 4 3
4 4 4 1 2 2 4
2 3 4 2 2 4 4
4 3 3 2 3 4 2
4 4 4 3 2 3 4
4 4 3 3 2 2 4
5 3 4 5 4 3 4
2 3 4 1 2 3 3
3 3 3 4 4 2 4
3 3 2 1 2 3 2
4 3 4 4 4 2 3
4 4 4 3 4 4 4
3 3 3 1 2 2 4
3 1 3 1 1 1 1
4 5 4 3 2 4 4
4 3 4 4 4 4 3
3 4 4 2 2 4 4
4 4 2 2 2 2 4
4 4 4 1 4 1 2
4 4 4 2 3 4 4
5 3 2 3 3 2 4
4 4 4 5 4 4 4
2 3 4 2 3 4 4
3 4 3 2 2 3 2
4 4 4 1 2 4 2
4 4 4 3 3 3 4
3 2 3 2 3 2 2
5 3 5 4 3 4 3
3 3 2 3 3 4 3
4 3 4 3 3 2 4
4 3 4 2 3 3 3
4 2 4 2 1 4 4
4 5 3 5 5 4 3
2 1 3 2 1 4 2
3 4 4 4 2 3 3
3 2 3 2 2 3 3
4 4 2 4 4 4 4
4 4 4 2 2 4 3
3 2 4 2 2 3 2
3 3 4 2 3 4 2
3 2 3 2 2 2 2
4 3 4 2 2 3 3
4 4 3 3 3 3 3
4 2 4 2 3 3 3
4 4 4 4 4 4 3
4 4 4 3 2 3 3
3 2 2 2 2 2 2
3 3 4 2 1 2 4
4 4 2 2 4 4 4
4 3 4 4 2 4 3
3 4 3 3 3 2 4
4 3 3 3 4 3 4
4 2 4 1 2 2 2
5 4 4 4 3 4 4
4 2 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	1 seconds
R Server	'Gertrude Mary Cox' @ cox.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 & 1 seconds \tabularnewline
R Server & 'Gertrude Mary Cox' @ cox.wessa.net \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=267913&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]1 seconds[/C][/ROW]
[ROW][C]R Server[/C][C]'Gertrude Mary Cox' @ cox.wessa.net[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=267913&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=267913&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	1 seconds
R Server	'Gertrude Mary Cox' @ cox.wessa.net

Cronbach Alpha and Related Statistics
Items	Cronbach Alpha	Std. Alpha	G6(smc)	Average R
All itmes	0.7836	0.7787	0.7742	0.3345
PERFECTIONISM6 excluded	0.7594	0.7532	0.7465	0.3372
PERFECTIONISM12 excluded	0.7478	0.74	0.7253	0.3218
PERFECTIONISM16 excluded	0.7982	0.7994	0.7836	0.3991
PERFECTIONISM18 excluded	0.7462	0.7413	0.723	0.3232
PERFECTIONISM19 excluded	0.7338	0.7293	0.717	0.3098
PERFECTIONISM24 excluded	0.7614	0.7549	0.748	0.3392
PERFECTIONISM30 excluded	0.737	0.7306	0.7149	0.3113

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.7836 & 0.7787 & 0.7742 & 0.3345 \tabularnewline
PERFECTIONISM6 excluded & 0.7594 & 0.7532 & 0.7465 & 0.3372 \tabularnewline
PERFECTIONISM12 excluded & 0.7478 & 0.74 & 0.7253 & 0.3218 \tabularnewline
PERFECTIONISM16 excluded & 0.7982 & 0.7994 & 0.7836 & 0.3991 \tabularnewline
PERFECTIONISM18 excluded & 0.7462 & 0.7413 & 0.723 & 0.3232 \tabularnewline
PERFECTIONISM19 excluded & 0.7338 & 0.7293 & 0.717 & 0.3098 \tabularnewline
PERFECTIONISM24 excluded & 0.7614 & 0.7549 & 0.748 & 0.3392 \tabularnewline
PERFECTIONISM30 excluded & 0.737 & 0.7306 & 0.7149 & 0.3113 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=267913&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]0.7836[/C][C]0.7787[/C][C]0.7742[/C][C]0.3345[/C][/ROW]
[ROW][C]PERFECTIONISM6 excluded[/C][C]0.7594[/C][C]0.7532[/C][C]0.7465[/C][C]0.3372[/C][/ROW]
[ROW][C]PERFECTIONISM12 excluded[/C][C]0.7478[/C][C]0.74[/C][C]0.7253[/C][C]0.3218[/C][/ROW]
[ROW][C]PERFECTIONISM16 excluded[/C][C]0.7982[/C][C]0.7994[/C][C]0.7836[/C][C]0.3991[/C][/ROW]
[ROW][C]PERFECTIONISM18 excluded[/C][C]0.7462[/C][C]0.7413[/C][C]0.723[/C][C]0.3232[/C][/ROW]
[ROW][C]PERFECTIONISM19 excluded[/C][C]0.7338[/C][C]0.7293[/C][C]0.717[/C][C]0.3098[/C][/ROW]
[ROW][C]PERFECTIONISM24 excluded[/C][C]0.7614[/C][C]0.7549[/C][C]0.748[/C][C]0.3392[/C][/ROW]
[ROW][C]PERFECTIONISM30 excluded[/C][C]0.737[/C][C]0.7306[/C][C]0.7149[/C][C]0.3113[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=267913&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=267913&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	0.7836	0.7787	0.7742	0.3345
PERFECTIONISM6 excluded	0.7594	0.7532	0.7465	0.3372
PERFECTIONISM12 excluded	0.7478	0.74	0.7253	0.3218
PERFECTIONISM16 excluded	0.7982	0.7994	0.7836	0.3991
PERFECTIONISM18 excluded	0.7462	0.7413	0.723	0.3232
PERFECTIONISM19 excluded	0.7338	0.7293	0.717	0.3098
PERFECTIONISM24 excluded	0.7614	0.7549	0.748	0.3392
PERFECTIONISM30 excluded	0.737	0.7306	0.7149	0.3113

Parameters (Session):

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