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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

Wed, 23 Nov 2016 11:32:04 +0100

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/2016/Nov/23/t14798972883ukglv7uwqwkikj.htm/, Retrieved Sun, 13 Sep 2026 19:10:55 +0000

Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=296974, Retrieved Sun, 13 Sep 2026 19:10:55 +0000

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IsPrivate?

No (this computation is public)

User-defined keywords

Estimated Impact

476

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

-       [Cronbach Alpha] [] [2016-11-23 10:32:04] [94ac3c9a028ddd47e8862e80eac9f626] [Current]

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Dataseries X:

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

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	Big Analytics Cloud Computing Center
R Framework error message	The field 'Names of X columns' contains a hard return which cannot be interpreted. Please, resubmit your request without hard returns in the 'Names of X columns'.

\begin{tabular}{lllllllll}
\hline
Summary of computational transaction \tabularnewline
Raw Input view raw input (R code)  \tabularnewline
Raw Outputview raw output of R engine  \tabularnewline
Computing time0 seconds \tabularnewline
R ServerBig Analytics Cloud Computing Center \tabularnewline
R Framework error message & The field 'Names of X columns' contains a hard return which cannot be interpreted.
Please, resubmit your request without hard returns in the 'Names of X columns'. \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=296974&T=0

[TABLE]
[ROW]

Summary of computational transaction[/C][/ROW] [ROW]

Raw Input[/C]

view raw input (R code) [/C][/ROW] [ROW]

Raw Output[/C]

view raw output of R engine [/C][/ROW] [ROW]

Computing time[/C]

0 seconds[/C][/ROW] [ROW]

R Server[/C]

Big Analytics Cloud Computing Center[/C][/ROW] [ROW]

R Framework error message[/C][C]

The field 'Names of X columns' contains a hard return which cannot be interpreted.
Please, resubmit your request without hard returns in the 'Names of X columns'.

[/C][/ROW] [/TABLE] Source: https://freestatistics.org/blog/index.php?pk=296974&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=296974&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	Big Analytics Cloud Computing Center
R Framework error message	The field 'Names of X columns' contains a hard return which cannot be interpreted. Please, resubmit your request without hard returns in the 'Names of X columns'.

Cronbach Alpha and Related Statistics
Items	Cronbach Alpha	Std. Alpha	G6(smc)	Average R
All itmes	0.5958	0.6228	0.7032	0.1209
G1 excluded	0.6102	0.6431	0.7012	0.1407
G2 excluded	0.5781	0.6	0.6821	0.12
G3 excluded	0.5797	0.5993	0.6783	0.1197
G4 excluded	0.5771	0.6106	0.6748	0.1248
E1 excluded	0.5508	0.593	0.6519	0.117
E2 excluded	0.5569	0.5935	0.6574	0.1172
E3 excluded	0.579	0.608	0.6936	0.1236
E4 excluded	0.5815	0.6035	0.6893	0.1216
TV1 excluded	0.5796	0.6051	0.673	0.1223
TV2 excluded	0.5682	0.5828	0.6734	0.1127
TV3 excluded	0.5533	0.5798	0.6637	0.1114
TV4 excluded	0.5773	0.6012	0.6867	0.1205

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.5958 & 0.6228 & 0.7032 & 0.1209 \tabularnewline
G1 excluded & 0.6102 & 0.6431 & 0.7012 & 0.1407 \tabularnewline
G2 excluded & 0.5781 & 0.6 & 0.6821 & 0.12 \tabularnewline
G3 excluded & 0.5797 & 0.5993 & 0.6783 & 0.1197 \tabularnewline
G4 excluded & 0.5771 & 0.6106 & 0.6748 & 0.1248 \tabularnewline
E1 excluded & 0.5508 & 0.593 & 0.6519 & 0.117 \tabularnewline
E2 excluded & 0.5569 & 0.5935 & 0.6574 & 0.1172 \tabularnewline
E3 excluded & 0.579 & 0.608 & 0.6936 & 0.1236 \tabularnewline
E4 excluded & 0.5815 & 0.6035 & 0.6893 & 0.1216 \tabularnewline
TV1 excluded & 0.5796 & 0.6051 & 0.673 & 0.1223 \tabularnewline
TV2 excluded & 0.5682 & 0.5828 & 0.6734 & 0.1127 \tabularnewline
TV3 excluded & 0.5533 & 0.5798 & 0.6637 & 0.1114 \tabularnewline
TV4
 excluded & 0.5773 & 0.6012 & 0.6867 & 0.1205 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=296974&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]0.5958[/C][C]0.6228[/C][C]0.7032[/C][C]0.1209[/C][/ROW]
[ROW][C]G1 excluded[/C][C]0.6102[/C][C]0.6431[/C][C]0.7012[/C][C]0.1407[/C][/ROW]
[ROW][C]G2 excluded[/C][C]0.5781[/C][C]0.6[/C][C]0.6821[/C][C]0.12[/C][/ROW]
[ROW][C]G3 excluded[/C][C]0.5797[/C][C]0.5993[/C][C]0.6783[/C][C]0.1197[/C][/ROW]
[ROW][C]G4 excluded[/C][C]0.5771[/C][C]0.6106[/C][C]0.6748[/C][C]0.1248[/C][/ROW]
[ROW][C]E1 excluded[/C][C]0.5508[/C][C]0.593[/C][C]0.6519[/C][C]0.117[/C][/ROW]
[ROW][C]E2 excluded[/C][C]0.5569[/C][C]0.5935[/C][C]0.6574[/C][C]0.1172[/C][/ROW]
[ROW][C]E3 excluded[/C][C]0.579[/C][C]0.608[/C][C]0.6936[/C][C]0.1236[/C][/ROW]
[ROW][C]E4 excluded[/C][C]0.5815[/C][C]0.6035[/C][C]0.6893[/C][C]0.1216[/C][/ROW]
[ROW][C]TV1 excluded[/C][C]0.5796[/C][C]0.6051[/C][C]0.673[/C][C]0.1223[/C][/ROW]
[ROW][C]TV2 excluded[/C][C]0.5682[/C][C]0.5828[/C][C]0.6734[/C][C]0.1127[/C][/ROW]
[ROW][C]TV3 excluded[/C][C]0.5533[/C][C]0.5798[/C][C]0.6637[/C][C]0.1114[/C][/ROW]
[ROW][C]TV4
 excluded[/C][C]0.5773[/C][C]0.6012[/C][C]0.6867[/C][C]0.1205[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=296974&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=296974&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	0.5958	0.6228	0.7032	0.1209
G1 excluded	0.6102	0.6431	0.7012	0.1407
G2 excluded	0.5781	0.6	0.6821	0.12
G3 excluded	0.5797	0.5993	0.6783	0.1197
G4 excluded	0.5771	0.6106	0.6748	0.1248
E1 excluded	0.5508	0.593	0.6519	0.117
E2 excluded	0.5569	0.5935	0.6574	0.1172
E3 excluded	0.579	0.608	0.6936	0.1236
E4 excluded	0.5815	0.6035	0.6893	0.1216
TV1 excluded	0.5796	0.6051	0.673	0.1223
TV2 excluded	0.5682	0.5828	0.6734	0.1127
TV3 excluded	0.5533	0.5798	0.6637	0.1114
TV4 excluded	0.5773	0.6012	0.6867	0.1205

Parameters (Session):

par1 = TRUE ;

Parameters (R input):

par1 = TRUE ;

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

par1 <- 'TRUE'
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')

Free Statistics

Description of Statistical Computation

Tree of Dependent Computations

Dataset

Tables (Output of Computation)

Figures (Output of Computation)

Input Parameters & R Code