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Author

*The author of this computation has been verified*

R Software Module

rwasp_cronbach.wasp

Title produced by software

Cronbach Alpha

Date of computation

Thu, 15 Dec 2016 11:21:45 +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/Dec/15/t1481797484t9ayh2t141txabb.htm/, Retrieved Tue, 28 Jul 2026 01:56:30 +0000

Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=299823, Retrieved Tue, 28 Jul 2026 01:56:30 +0000

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IsPrivate?

No (this computation is public)

User-defined keywords

Estimated Impact

431

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

-     [ML Fitting and QQ Plot- Normal Distribution] [Normal distribution] [2016-12-15 09:27:42] [061bcad4f8cbfaa4a6cadfe6faec1e5a]
- RMPD    [Cronbach Alpha] [Cronbach alpha be...] [2016-12-15 10:21:45] [9a9519454d094169f95f881e5b6f16f7] [Current]

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Dataseries X:

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Histogram

Boxplots

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

\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
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=299823&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] [/TABLE] Source: https://freestatistics.org/blog/index.php?pk=299823&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=299823&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

Cronbach Alpha and Related Statistics
Items	Cronbach Alpha	Std. Alpha	G6(smc)	Average R
All itmes	0.323	0.4291	0.465	0.0859
IVHB1 excluded	0.3672	0.452	0.4704	0.1054
IVHB2 excluded	0.3704	0.4544	0.4802	0.1063
IVHB3 excluded	0.367	0.4628	0.4804	0.1096
IVHB4 excluded	0.3688	0.47	0.4891	0.1124
TVCD1 excluded	0.1782	0.3082	0.3321	0.0598
TVCD2 excluded	0.2248	0.3054	0.3489	0.0591
TVCD3 excluded	0.1944	0.2969	0.3355	0.0569
TVCD4 excluded	0.2589	0.3703	0.4128	0.0775

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.323 & 0.4291 & 0.465 & 0.0859 \tabularnewline
IVHB1 excluded & 0.3672 & 0.452 & 0.4704 & 0.1054 \tabularnewline
IVHB2 excluded & 0.3704 & 0.4544 & 0.4802 & 0.1063 \tabularnewline
IVHB3 excluded & 0.367 & 0.4628 & 0.4804 & 0.1096 \tabularnewline
IVHB4 excluded & 0.3688 & 0.47 & 0.4891 & 0.1124 \tabularnewline
TVCD1 excluded & 0.1782 & 0.3082 & 0.3321 & 0.0598 \tabularnewline
TVCD2 excluded & 0.2248 & 0.3054 & 0.3489 & 0.0591 \tabularnewline
TVCD3 excluded & 0.1944 & 0.2969 & 0.3355 & 0.0569 \tabularnewline
TVCD4 excluded & 0.2589 & 0.3703 & 0.4128 & 0.0775 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=299823&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]0.323[/C][C]0.4291[/C][C]0.465[/C][C]0.0859[/C][/ROW]
[ROW][C]IVHB1 excluded[/C][C]0.3672[/C][C]0.452[/C][C]0.4704[/C][C]0.1054[/C][/ROW]
[ROW][C]IVHB2 excluded[/C][C]0.3704[/C][C]0.4544[/C][C]0.4802[/C][C]0.1063[/C][/ROW]
[ROW][C]IVHB3 excluded[/C][C]0.367[/C][C]0.4628[/C][C]0.4804[/C][C]0.1096[/C][/ROW]
[ROW][C]IVHB4 excluded[/C][C]0.3688[/C][C]0.47[/C][C]0.4891[/C][C]0.1124[/C][/ROW]
[ROW][C]TVCD1 excluded[/C][C]0.1782[/C][C]0.3082[/C][C]0.3321[/C][C]0.0598[/C][/ROW]
[ROW][C]TVCD2 excluded[/C][C]0.2248[/C][C]0.3054[/C][C]0.3489[/C][C]0.0591[/C][/ROW]
[ROW][C]TVCD3 excluded[/C][C]0.1944[/C][C]0.2969[/C][C]0.3355[/C][C]0.0569[/C][/ROW]
[ROW][C]TVCD4 excluded[/C][C]0.2589[/C][C]0.3703[/C][C]0.4128[/C][C]0.0775[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=299823&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=299823&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	0.323	0.4291	0.465	0.0859
IVHB1 excluded	0.3672	0.452	0.4704	0.1054
IVHB2 excluded	0.3704	0.4544	0.4802	0.1063
IVHB3 excluded	0.367	0.4628	0.4804	0.1096
IVHB4 excluded	0.3688	0.47	0.4891	0.1124
TVCD1 excluded	0.1782	0.3082	0.3321	0.0598
TVCD2 excluded	0.2248	0.3054	0.3489	0.0591
TVCD3 excluded	0.1944	0.2969	0.3355	0.0569
TVCD4 excluded	0.2589	0.3703	0.4128	0.0775

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')

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Dataset

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Figures (Output of Computation)

Input Parameters & R Code