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Description of Statistical Computation

Author's title

Author*The author of this computation has been verified*
R Software Modulerwasp_cronbach.wasp
Title produced by softwareCronbach Alpha
Date of computationMon, 15 Dec 2014 11:32:29 +0000
Cite this page as followsStatistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?v=date/2014/Dec/15/t1418643238yurr0b4qxq5lenv.htm/, Retrieved Sun, 30 Aug 2026 08:57:36 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=268133, Retrieved Sun, 30 Aug 2026 08:57:36 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact372

Tree of Dependent Computations

Family? (F = Feedback message, R = changed R code, M = changed R Module, P = changed Parameters, D = changed Data)
-       [Cronbach Alpha] [] [2014-12-15 11:32:29] [4621f922aed0297f88122271e88ec2ef] [Current]
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Dataset

Dataseries X:
Download CSV
Histogram
Boxplots 
2 4 1 1 2 2 1 1 1 1 1 2 1
2 4 4 3 4 2 2 2 2 3 4 4 2
4 4 4 2 4 4 4 2 4 5 2 3 2
2 1 2 2 5 2 2 1 2 4 3 4 3
2 2 2 2 3 3 3 3 3 3 3 3 3
2 4 4 4 2 2 2 2 2 2 4 2 3
4 4 4 3 4 4 3 2 2 4 4 4 3
2 2 2 2 3 3 3 2 1 2 3 2 3
3 3 2 2 4 4 3 2 2 2 4 4 2
2 4 1 2 4 2 3 1 1 4 5 5 3
1 2 1 1 2 2 2 1 2 2 2 2 2
2 4 2 2 4 4 2 2 2 2 2 3 2
2 2 1 2 2 2 2 2 2 2 2 3 2
2 4 4 3 4 3 4 2 2 4 3 2 2
4 2 1 2 4 2 0 4 3 2 4 4 2
3 4 4 3 4 4 3 3 4 2 2 4 3
1 4 2 4 4 1 2 1 2 3 2 2 2
1 2 3 2 3 3 3 1 2 3 3 3 4
4 4 3 3 4 3 2 1 2 2 3 3 3
4 4 3 3 3 4 4 3 2 2 3 4 1
2 4 2 1 5 4 2 2 2 4 2 3 1
3 3 2 2 4 2 2 2 2 2 4 4 2
5 5 3 3 2 4 4 3 4 4 5 3 3
4 4 4 3 4 4 3 3 3 2 3 3 3
4 4 4 3 5 3 4 3 3 4 3 3 3
2 4 2 2 4 2 2 2 2 3 2 2 2
2 4 2 2 4 2 2 2 2 2 4 4 2
1 3 2 2 3 3 2 1 2 3 2 2 1
1 1 1 1 2 1 1 1 1 1 2 2 1
2 4 2 2 4 2 2 2 3 2 2 3 2
2 4 2 2 3 2 2 2 2 2 3 2 2
4 3 1 2 2 2 3 2 3 2 2 2 2
4 4 4 2 4 4 2 4 2 2 2 2 2
2 4 2 2 4 4 4 2 2 2 2 4 2
2 4 1 2 2 3 4 2 4 2 2 2 3
4 2 2 3 3 4 3 3 2 2 2 2 3
3 4 2 2 4 3 2 2 3 4 4 3 3
2 4 3 4 2 4 4 4 4 4 2 3 3
1 2 1 1 2 1 1 1 1 2 2 1 2
2 2 2 2 4 2 2 2 2 2 4 4 4
4 2 3 4 1 4 2 2 3 2 2 3 3
1 2 1 2 2 1 1 1 1 1 1 1 2
4 4 2 2 3 2 3 3 2 2 4 4 2
4 4 2 3 2 3 2 2 2 2 2 3 2
2 3 2 2 4 3 2 2 2 2 2 2 2
2 2 1 2 3 2 2 2 2 2 4 4 2
5 5 5 5 4 5 5 3 5 5 2 2 5
5 4 2 2 4 3 4 3 4 4 4 5 3
4 3 1 2 2 2 4 1 2 2 2 2 3
2 3 2 3 3 4 4 4 4 3 4 3 2
1 3 1 1 3 1 1 1 1 2 2 2 1
2 3 3 2 4 3 2 1 2 2 2 4 2
4 2 2 2 3 4 1 1 1 1 1 2 3
3 3 4 4 5 4 4 2 4 4 2 4 4
1 4 1 2 4 3 4 2 2 2 2 2 4
1 3 1 2 4 1 1 1 2 5 4 4 2
2 3 2 2 2 2 2 2 2 2 2 2 2
3 4 2 2 2 2 4 1 2 3 3 4 2
2 4 2 4 2 3 2 2 2 2 2 2 2
4 4 3 2 4 3 3 2 1 3 3 5 2
5 4 3 3 4 5 4 4 3 4 3 4 5
2 2 1 1 2 1 2 1 2 2 3 2 2
4 3 2 3 3 4 3 3 2 4 3 3 2
1 4 1 1 2 1 1 1 1 3 2 2 2
3 2 2 3 4 4 2 3 2 3 4 4 2
4 4 4 3 4 3 3 3 3 5 4 3 2
1 1 2 2 3 1 4 2 2 2 1 2 1
1 1 1 1 2 1 1 1 1 2 1 1 1
4 4 4 3 4 3 2 3 2 4 4 2 2
2 3 2 3 4 4 2 2 2 1 4 2 2
2 3 2 2 2 2 2 2 2 3 2 2 2
4 4 1 1 4 1 1 1 2 4 3 4 2
2 2 2 2 3 2 3 2 2 2 4 3 1
3 4 4 2 4 3 2 2 2 4 3 4 1
3 3 3 3 3 5 3 2 2 3 3 2 2
3 1 2 2 4 2 1 1 1 2 3 2 2
2 3 1 1 4 2 1 1 1 3 3 4 1
5 1 1 1 1 1 1 1 1 1 2 2 1
3 3 3 2 3 3 2 1 2 3 3 3 2
1 2 2 1 2 2 1 3 2 2 2 2 3
2 2 3 4 2 4 3 2 2 2 2 2 2
2 1 1 1 2 3 3 2 2 1 3 2 2
4 4 4 4 3 3 3 3 3 4 3 3 3
2 2 2 2 3 2 2 2 2 2 2 3 2
1 2 2 1 2 2 2 1 2 1 2 2 2
5 2 3 2 4 5 2 2 3 4 2 4 2
3 2 2 2 2 2 2 1 2 2 3 3 2
4 3 3 3 3 4 3 2 2 4 4 4 2
2 3 2 2 3 2 2 2 2 2 2 2 2
4 4 2 2 4 4 4 3 4 5 4 4 4
2 3 2 2 3 2 2 2 2 2 3 2 2
2 2 2 1 2 2 1 2 1 2 2 3 2
3 3 2 2 2 2 2 1 3 2 2 2 3
2 2 2 2 3 2 2 2 2 2 2 2 2
2 4 1 1 4 2 2 2 2 2 4 4 3
2 2 2 2 4 3 2 2 2 4 2 2 2
4 4 1 2 5 2 4 2 4 4 2 2 3
4 4 3 3 4 4 2 3 2 3 2 5 4
2 3 3 3 2 3 4 3 3 2 2 2 4
2 3 2 2 4 2 2 2 2 2 2 2 2
4 5 2 2 4 2 4 4 4 2 4 3 4
3 2 2 2 2 2 1 1 2 2 4 4 1
4 2 3 4 3 4 4 2 3 2 2 2 1
3 3 3 3 3 3 3 3 2 3 3 5 1
4 4 3 3 2 3 2 3 2 2 3 3 3
2 2 1 1 2 1 2 2 2 3 3 4 2
3 4 3 3 2 4 3 2 2 3 3 2 3
4 3 4 4 4 2 4 2 2 5 1 2 2

Tables (Output of Computation)





Summary of computational transaction
Raw Inputview raw input (R code)
Raw Outputview raw output of R engine
Computing time1 seconds
R Server'Sir Maurice George Kendall' @ kendall.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 & 'Sir Maurice George Kendall' @ kendall.wessa.net \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=268133&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]'Sir Maurice George Kendall' @ kendall.wessa.net[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=268133&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=268133&T=0

As an alternative you can also use a QR Code:  
QR Code


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

Summary of computational transaction
Raw Inputview raw input (R code)
Raw Outputview raw output of R engine
Computing time1 seconds
R Server'Sir Maurice George Kendall' @ kendall.wessa.net






Cronbach Alpha and Related Statistics
ItemsCronbach AlphaStd. AlphaG6(smc)Average R
All itmes0.86530.86650.890.333
PERFECTIONISM9 excluded0.85360.85480.88080.3291
PERFECTIONISM10 excluded0.85520.85650.88340.3323
PERFECTIONISM13 excluded0.850.85170.87220.3237
PERFECTIONISM14 excluded0.85320.85430.87490.3283
PERFECTIONISM17 excluded0.86170.86340.88450.345
PERFECTIONISM18 excluded0.84950.85130.87520.3229
PERFECTIONISM21 excluded0.85160.85290.87710.3257
PERFECTIONISM23 excluded0.85290.85310.87780.3262
PERFECTIONISM25 excluded0.85040.85050.87260.3216
PERFECTIONISM28 excluded0.85370.85530.87890.3301
PERFECTIONISM32 excluded0.86720.86910.88650.3561
PERFECTIONISM33 excluded0.86390.86550.88210.349
PERFECTIONISM34 excluded0.85920.86050.88580.3396

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.8653 & 0.8665 & 0.89 & 0.333 \tabularnewline
PERFECTIONISM9 excluded & 0.8536 & 0.8548 & 0.8808 & 0.3291 \tabularnewline
PERFECTIONISM10 excluded & 0.8552 & 0.8565 & 0.8834 & 0.3323 \tabularnewline
PERFECTIONISM13 excluded & 0.85 & 0.8517 & 0.8722 & 0.3237 \tabularnewline
PERFECTIONISM14 excluded & 0.8532 & 0.8543 & 0.8749 & 0.3283 \tabularnewline
PERFECTIONISM17 excluded & 0.8617 & 0.8634 & 0.8845 & 0.345 \tabularnewline
PERFECTIONISM18 excluded & 0.8495 & 0.8513 & 0.8752 & 0.3229 \tabularnewline
PERFECTIONISM21 excluded & 0.8516 & 0.8529 & 0.8771 & 0.3257 \tabularnewline
PERFECTIONISM23 excluded & 0.8529 & 0.8531 & 0.8778 & 0.3262 \tabularnewline
PERFECTIONISM25 excluded & 0.8504 & 0.8505 & 0.8726 & 0.3216 \tabularnewline
PERFECTIONISM28 excluded & 0.8537 & 0.8553 & 0.8789 & 0.3301 \tabularnewline
PERFECTIONISM32 excluded & 0.8672 & 0.8691 & 0.8865 & 0.3561 \tabularnewline
PERFECTIONISM33 excluded & 0.8639 & 0.8655 & 0.8821 & 0.349 \tabularnewline
PERFECTIONISM34 excluded & 0.8592 & 0.8605 & 0.8858 & 0.3396 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=268133&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]0.8653[/C][C]0.8665[/C][C]0.89[/C][C]0.333[/C][/ROW]
[ROW][C]PERFECTIONISM9 excluded[/C][C]0.8536[/C][C]0.8548[/C][C]0.8808[/C][C]0.3291[/C][/ROW]
[ROW][C]PERFECTIONISM10 excluded[/C][C]0.8552[/C][C]0.8565[/C][C]0.8834[/C][C]0.3323[/C][/ROW]
[ROW][C]PERFECTIONISM13 excluded[/C][C]0.85[/C][C]0.8517[/C][C]0.8722[/C][C]0.3237[/C][/ROW]
[ROW][C]PERFECTIONISM14 excluded[/C][C]0.8532[/C][C]0.8543[/C][C]0.8749[/C][C]0.3283[/C][/ROW]
[ROW][C]PERFECTIONISM17 excluded[/C][C]0.8617[/C][C]0.8634[/C][C]0.8845[/C][C]0.345[/C][/ROW]
[ROW][C]PERFECTIONISM18 excluded[/C][C]0.8495[/C][C]0.8513[/C][C]0.8752[/C][C]0.3229[/C][/ROW]
[ROW][C]PERFECTIONISM21 excluded[/C][C]0.8516[/C][C]0.8529[/C][C]0.8771[/C][C]0.3257[/C][/ROW]
[ROW][C]PERFECTIONISM23 excluded[/C][C]0.8529[/C][C]0.8531[/C][C]0.8778[/C][C]0.3262[/C][/ROW]
[ROW][C]PERFECTIONISM25 excluded[/C][C]0.8504[/C][C]0.8505[/C][C]0.8726[/C][C]0.3216[/C][/ROW]
[ROW][C]PERFECTIONISM28 excluded[/C][C]0.8537[/C][C]0.8553[/C][C]0.8789[/C][C]0.3301[/C][/ROW]
[ROW][C]PERFECTIONISM32 excluded[/C][C]0.8672[/C][C]0.8691[/C][C]0.8865[/C][C]0.3561[/C][/ROW]
[ROW][C]PERFECTIONISM33 excluded[/C][C]0.8639[/C][C]0.8655[/C][C]0.8821[/C][C]0.349[/C][/ROW]
[ROW][C]PERFECTIONISM34 excluded[/C][C]0.8592[/C][C]0.8605[/C][C]0.8858[/C][C]0.3396[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=268133&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=268133&T=1

As an alternative you can also use a QR Code:  
QR Code


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

Cronbach Alpha and Related Statistics
ItemsCronbach AlphaStd. AlphaG6(smc)Average R
All itmes0.86530.86650.890.333
PERFECTIONISM9 excluded0.85360.85480.88080.3291
PERFECTIONISM10 excluded0.85520.85650.88340.3323
PERFECTIONISM13 excluded0.850.85170.87220.3237
PERFECTIONISM14 excluded0.85320.85430.87490.3283
PERFECTIONISM17 excluded0.86170.86340.88450.345
PERFECTIONISM18 excluded0.84950.85130.87520.3229
PERFECTIONISM21 excluded0.85160.85290.87710.3257
PERFECTIONISM23 excluded0.85290.85310.87780.3262
PERFECTIONISM25 excluded0.85040.85050.87260.3216
PERFECTIONISM28 excluded0.85370.85530.87890.3301
PERFECTIONISM32 excluded0.86720.86910.88650.3561
PERFECTIONISM33 excluded0.86390.86550.88210.349
PERFECTIONISM34 excluded0.85920.86050.88580.3396


Figures (Output of Computation)

Input Parameters & R Code

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')