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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 computationSun, 14 Dec 2014 22:10:43 +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/14/t1418595053vfsjfj1mlfzctbc.htm/, Retrieved Mon, 20 Apr 2026 16:58:28 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=267911, Retrieved Mon, 20 Apr 2026 16:58:28 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact336

Tree of Dependent Computations

Family? (F = Feedback message, R = changed R code, M = changed R Module, P = changed Parameters, D = changed Data)
-       [Cronbach Alpha] [] [2014-12-14 22:10:43] [37e054ac358b2aa7c2a1d0b751dfa890] [Current]
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Dataset

Dataseries X:
Download CSV
Histogram
Boxplots 
4 1 3 4 1 4 1 1 1 1 1 1
2 2 1 3 2 2 2 2 1 2 2 1
4 1 2 3 2 2 2 2 2 2 2 2
4 2 3 5 2 5 4 3 4 3 2 4
3 2 1 1 2 2 2 2 2 1 3 2
4 2 2 2 2 3 3 3 3 3 3 3
4 2 2 4 2 2 2 2 2 4 3 2
4 4 2 4 3 4 3 2 2 2 3 2
2 2 2 2 2 3 3 4 1 2 3 2
4 3 4 2 2 3 3 2 2 2 2 2
5 2 2 2 1 1 3 1 1 1 3 1
2 2 2 4 2 2 2 2 2 2 2 1
4 2 2 2 4 4 2 2 2 2 2 2
4 2 2 3 2 4 2 2 2 3 2 2
1 1 1 2 1 1 4 1 2 2 2 1
5 2 2 4 3 5 0 2 3 2 2 2
4 5 4 4 5 5 3 4 4 5 3 4
3 1 2 4 2 2 2 4 2 2 2 1
4 3 2 4 3 3 3 2 2 3 4 3
2 3 3 3 2 2 2 3 2 3 3 3
3 1 2 2 2 4 4 2 2 2 1 1
4 4 2 4 3 4 2 2 2 3 1 1
4 3 3 4 3 4 2 2 2 4 2 2
2 2 2 3 2 3 4 2 4 1 3 2
4 3 3 4 3 3 3 3 3 3 3 3
4 3 3 4 4 4 4 3 3 3 3 3
2 2 2 3 2 4 2 2 2 2 2 2
2 2 4 2 2 2 2 2 2 2 2 4
4 1 2 2 2 3 2 2 2 2 1 1
4 2 3 4 1 1 1 1 1 1 1 1
4 4 2 4 2 4 2 4 3 4 2 4
2 2 3 5 1 2 3 5 3 1 1 5
3 3 2 4 2 2 2 2 2 2 2 2
5 5 5 5 3 5 3 5 3 2 2 4
2 4 2 4 1 1 2 2 2 2 2 2
3 2 1 2 2 2 4 1 2 2 2 2
5 2 2 4 2 4 4 1 4 2 3 1
4 2 1 4 4 2 3 1 2 2 3 2
3 2 2 4 2 3 2 2 3 2 3 2
2 1 2 2 3 1 4 1 4 1 3 1
2 1 2 3 1 3 1 1 1 1 2 1
2 2 2 4 2 2 2 2 2 2 4 2
5 5 5 5 2 4 2 3 3 2 3 0
2 1 2 4 2 2 1 1 1 1 2 1
2 2 3 3 2 2 3 3 2 3 2 3
5 3 2 4 2 3 2 2 2 2 2 2
2 1 2 2 1 2 2 1 2 1 2 1
3 1 1 4 2 2 2 2 2 2 2 2
5 3 5 4 4 4 5 3 5 4 5 5
3 2 3 4 2 2 4 2 4 2 3 2
2 2 2 2 1 1 4 1 2 1 3 1
2 2 4 2 2 3 4 3 4 2 2 2
1 1 1 3 1 1 1 1 1 3 1 2
4 1 3 4 1 2 2 4 2 3 2 3
2 2 4 2 1 1 1 1 1 1 3 1
4 2 2 2 2 2 4 1 4 1 4 1
4 3 2 4 2 4 4 2 2 4 4 2
2 1 2 2 2 2 1 1 2 2 2 2
3 1 3 2 1 1 2 2 2 2 2 2
4 4 2 4 2 2 4 2 2 2 2 0
2 2 2 3 1 2 2 1 2 1 2 1
3 3 1 5 1 2 3 1 1 1 2 1
5 3 4 4 3 3 4 3 3 2 5 1
2 1 2 3 1 2 2 1 2 1 2 1
4 4 2 4 2 3 3 3 2 2 2 2
3 1 1 3 1 1 1 2 1 2 2 2
2 2 2 2 2 3 2 3 2 2 2 2
4 1 1 2 1 1 3 1 3 2 2 1
4 1 5 5 2 2 4 1 2 4 1 1
2 1 1 1 1 1 1 1 1 1 1 1
4 2 2 4 2 2 2 2 2 2 2 2
4 4 2 4 1 3 2 4 2 2 2 2
3 2 2 4 2 2 2 2 2 2 2 2
3 2 2 3 3 2 3 2 4 2 4 2
4 2 2 5 1 1 1 1 2 1 2 1
4 3 2 4 1 2 3 2 2 3 1 1
3 3 2 2 1 4 2 1 2 1 1 1
3 2 2 4 2 3 3 2 2 2 2 2
4 2 2 4 1 3 1 1 1 4 2 1
3 1 1 2 1 1 1 1 1 1 1 1
2 1 1 2 1 1 1 1 1 1 1 1
3 2 1 1 1 2 2 1 2 1 2 1
2 1 1 3 1 2 1 1 2 1 3 1
2 1 2 5 2 2 3 1 2 2 2 2
3 3 4 4 3 3 3 2 2 2 2 2
1 3 3 3 4 2 3 4 3 3 3 3
3 1 2 4 2 2 2 3 2 3 2 2
4 2 2 2 2 2 2 1 2 2 2 2
4 2 2 4 4 4 2 5 3 4 2 5
4 3 1 4 1 2 2 2 2 4 2 1
4 1 1 5 1 3 3 1 2 1 2 1
2 2 2 4 2 2 2 2 2 2 2 2
5 2 2 4 3 3 4 4 4 2 4 4
4 3 2 4 2 2 2 1 2 2 2 2
3 2 2 4 2 2 1 2 1 3 2 2
2 1 1 2 2 3 2 1 3 2 3 2
4 1 2 4 2 3 2 3 2 4 2 3
4 1 2 2 1 2 2 2 2 2 3 2
2 1 2 2 1 2 2 2 2 2 2 2
4 1 3 1 1 2 4 2 4 2 3 2
4 3 3 4 3 3 2 4 2 2 4 2
4 4 3 5 2 2 4 3 3 3 4 3
2 2 2 4 2 2 2 3 2 2 2 2
4 2 2 3 4 2 4 2 4 2 4 2
2 2 1 2 1 2 1 1 2 2 1 1
4 3 4 2 4 3 4 3 3 4 1 1
3 3 3 2 2 2 3 2 2 2 1 2
4 2 2 4 2 4 2 2 2 2 3 2
2 1 1 1 1 1 2 1 2 1 2 1
3 2 1 4 2 2 3 1 2 2 3 1
2 1 1 2 1 1 4 1 2 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=267911&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=267911&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=267911&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 itmes0.85120.85330.87720.3265
PERFECTIONISM1 excluded0.84260.84510.86790.3315
PERFECTIONISM3 excluded0.8370.840.86440.3231
PERFECTIONISM5 excluded0.83910.84170.86880.3258
PERFECTIONISM11 excluded0.84980.85130.87440.3422
PERFECTIONISM15 excluded0.83060.83190.85750.3102
PERFECTIONISM20 excluded0.8350.83790.86110.3198
PERFECTIONISM21 excluded0.84860.84950.86780.3392
PERFECTIONISM22 excluded0.83220.83510.85610.3153
PERFECTIONISM25 excluded0.83670.8380.85580.3198
PERFECTIONISM26 excluded0.83870.84130.86610.3253
PERFECTIONISM34 excluded0.84850.85110.87180.342
PERFECTIONISM35 excluded0.83820.84040.85920.3237

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.8512 & 0.8533 & 0.8772 & 0.3265 \tabularnewline
PERFECTIONISM1 excluded & 0.8426 & 0.8451 & 0.8679 & 0.3315 \tabularnewline
PERFECTIONISM3 excluded & 0.837 & 0.84 & 0.8644 & 0.3231 \tabularnewline
PERFECTIONISM5 excluded & 0.8391 & 0.8417 & 0.8688 & 0.3258 \tabularnewline
PERFECTIONISM11 excluded & 0.8498 & 0.8513 & 0.8744 & 0.3422 \tabularnewline
PERFECTIONISM15 excluded & 0.8306 & 0.8319 & 0.8575 & 0.3102 \tabularnewline
PERFECTIONISM20 excluded & 0.835 & 0.8379 & 0.8611 & 0.3198 \tabularnewline
PERFECTIONISM21 excluded & 0.8486 & 0.8495 & 0.8678 & 0.3392 \tabularnewline
PERFECTIONISM22 excluded & 0.8322 & 0.8351 & 0.8561 & 0.3153 \tabularnewline
PERFECTIONISM25 excluded & 0.8367 & 0.838 & 0.8558 & 0.3198 \tabularnewline
PERFECTIONISM26 excluded & 0.8387 & 0.8413 & 0.8661 & 0.3253 \tabularnewline
PERFECTIONISM34 excluded & 0.8485 & 0.8511 & 0.8718 & 0.342 \tabularnewline
PERFECTIONISM35 excluded & 0.8382 & 0.8404 & 0.8592 & 0.3237 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=267911&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]0.8512[/C][C]0.8533[/C][C]0.8772[/C][C]0.3265[/C][/ROW]
[ROW][C]PERFECTIONISM1 excluded[/C][C]0.8426[/C][C]0.8451[/C][C]0.8679[/C][C]0.3315[/C][/ROW]
[ROW][C]PERFECTIONISM3 excluded[/C][C]0.837[/C][C]0.84[/C][C]0.8644[/C][C]0.3231[/C][/ROW]
[ROW][C]PERFECTIONISM5 excluded[/C][C]0.8391[/C][C]0.8417[/C][C]0.8688[/C][C]0.3258[/C][/ROW]
[ROW][C]PERFECTIONISM11 excluded[/C][C]0.8498[/C][C]0.8513[/C][C]0.8744[/C][C]0.3422[/C][/ROW]
[ROW][C]PERFECTIONISM15 excluded[/C][C]0.8306[/C][C]0.8319[/C][C]0.8575[/C][C]0.3102[/C][/ROW]
[ROW][C]PERFECTIONISM20 excluded[/C][C]0.835[/C][C]0.8379[/C][C]0.8611[/C][C]0.3198[/C][/ROW]
[ROW][C]PERFECTIONISM21 excluded[/C][C]0.8486[/C][C]0.8495[/C][C]0.8678[/C][C]0.3392[/C][/ROW]
[ROW][C]PERFECTIONISM22 excluded[/C][C]0.8322[/C][C]0.8351[/C][C]0.8561[/C][C]0.3153[/C][/ROW]
[ROW][C]PERFECTIONISM25 excluded[/C][C]0.8367[/C][C]0.838[/C][C]0.8558[/C][C]0.3198[/C][/ROW]
[ROW][C]PERFECTIONISM26 excluded[/C][C]0.8387[/C][C]0.8413[/C][C]0.8661[/C][C]0.3253[/C][/ROW]
[ROW][C]PERFECTIONISM34 excluded[/C][C]0.8485[/C][C]0.8511[/C][C]0.8718[/C][C]0.342[/C][/ROW]
[ROW][C]PERFECTIONISM35 excluded[/C][C]0.8382[/C][C]0.8404[/C][C]0.8592[/C][C]0.3237[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=267911&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=267911&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 itmes0.85120.85330.87720.3265
PERFECTIONISM1 excluded0.84260.84510.86790.3315
PERFECTIONISM3 excluded0.8370.840.86440.3231
PERFECTIONISM5 excluded0.83910.84170.86880.3258
PERFECTIONISM11 excluded0.84980.85130.87440.3422
PERFECTIONISM15 excluded0.83060.83190.85750.3102
PERFECTIONISM20 excluded0.8350.83790.86110.3198
PERFECTIONISM21 excluded0.84860.84950.86780.3392
PERFECTIONISM22 excluded0.83220.83510.85610.3153
PERFECTIONISM25 excluded0.83670.8380.85580.3198
PERFECTIONISM26 excluded0.83870.84130.86610.3253
PERFECTIONISM34 excluded0.84850.85110.87180.342
PERFECTIONISM35 excluded0.83820.84040.85920.3237


Figures (Output of Computation)

Input Parameters & R Code

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')