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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 22:03:43 +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/t1418594670fiswekgin1cyx8y.htm/, Retrieved Thu, 14 May 2026 07:07:35 +0000

Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=267909, Retrieved Thu, 14 May 2026 07:07:35 +0000

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Original text written by user:

IsPrivate?

No (this computation is public)

User-defined keywords

Estimated Impact

336

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

-       [Cronbach Alpha] [] [2014-12-14 22:03:43] [37e054ac358b2aa7c2a1d0b751dfa890] [Current]

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Dataseries X:

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Histogram

Boxplots

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

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	'Herman Ole Andreas Wold' @ wold.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 & 'Herman Ole Andreas Wold' @ wold.wessa.net \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=267909&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]'Herman Ole Andreas Wold' @ wold.wessa.net[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=267909&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=267909&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	'Herman Ole Andreas Wold' @ wold.wessa.net

Cronbach Alpha and Related Statistics
Items	Cronbach Alpha	Std. Alpha	G6(smc)	Average R
All itmes	0.8507	0.8532	0.8544	0.492
PERFECTIONISM2 excluded	0.8495	0.8486	0.8322	0.5286
PERFECTIONISM7 excluded	0.8173	0.8208	0.8176	0.4782
PERFECTIONISM8 excluded	0.8243	0.8241	0.8232	0.4838
PERFECTIONISM27 excluded	0.8557	0.8599	0.8478	0.5511
PERFECTIONISM29 excluded	0.8102	0.8144	0.8132	0.4675
PERFECTIONISM31 excluded	0.7912	0.7988	0.7873	0.4426

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.8507 & 0.8532 & 0.8544 & 0.492 \tabularnewline
PERFECTIONISM2 excluded & 0.8495 & 0.8486 & 0.8322 & 0.5286 \tabularnewline
PERFECTIONISM7 excluded & 0.8173 & 0.8208 & 0.8176 & 0.4782 \tabularnewline
PERFECTIONISM8 excluded & 0.8243 & 0.8241 & 0.8232 & 0.4838 \tabularnewline
PERFECTIONISM27 excluded & 0.8557 & 0.8599 & 0.8478 & 0.5511 \tabularnewline
PERFECTIONISM29 excluded & 0.8102 & 0.8144 & 0.8132 & 0.4675 \tabularnewline
PERFECTIONISM31 excluded & 0.7912 & 0.7988 & 0.7873 & 0.4426 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=267909&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]0.8507[/C][C]0.8532[/C][C]0.8544[/C][C]0.492[/C][/ROW]
[ROW][C]PERFECTIONISM2 excluded[/C][C]0.8495[/C][C]0.8486[/C][C]0.8322[/C][C]0.5286[/C][/ROW]
[ROW][C]PERFECTIONISM7 excluded[/C][C]0.8173[/C][C]0.8208[/C][C]0.8176[/C][C]0.4782[/C][/ROW]
[ROW][C]PERFECTIONISM8 excluded[/C][C]0.8243[/C][C]0.8241[/C][C]0.8232[/C][C]0.4838[/C][/ROW]
[ROW][C]PERFECTIONISM27 excluded[/C][C]0.8557[/C][C]0.8599[/C][C]0.8478[/C][C]0.5511[/C][/ROW]
[ROW][C]PERFECTIONISM29 excluded[/C][C]0.8102[/C][C]0.8144[/C][C]0.8132[/C][C]0.4675[/C][/ROW]
[ROW][C]PERFECTIONISM31 excluded[/C][C]0.7912[/C][C]0.7988[/C][C]0.7873[/C][C]0.4426[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=267909&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=267909&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	0.8507	0.8532	0.8544	0.492
PERFECTIONISM2 excluded	0.8495	0.8486	0.8322	0.5286
PERFECTIONISM7 excluded	0.8173	0.8208	0.8176	0.4782
PERFECTIONISM8 excluded	0.8243	0.8241	0.8232	0.4838
PERFECTIONISM27 excluded	0.8557	0.8599	0.8478	0.5511
PERFECTIONISM29 excluded	0.8102	0.8144	0.8132	0.4675
PERFECTIONISM31 excluded	0.7912	0.7988	0.7873	0.4426

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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