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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

Fri, 09 Dec 2016 12:58:45 +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/09/t1481284768j1vw67o9zx5vmz4.htm/, Retrieved Wed, 05 Nov 2025 07:09:44 +0000

Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=298486, Retrieved Wed, 05 Nov 2025 07:09:44 +0000

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Original text written by user:

IsPrivate?

No (this computation is public)

User-defined keywords

Estimated Impact

200

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

-       [Cronbach Alpha] [Cronbach Alpha TV...] [2016-12-09 11:58:45] [f8e2c3c70b883e93ecb746821352be11] [Current]

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Dataseries X:

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Histogram

Boxplots

4	3	3	3
5	4	4	3
4	5	5	3
4	4	4	3
4	4	4	4
5	3	5	3
5	3	5	4
4	4	5	3
4	4	5	4
5	4	5	3
5	4	5	3
4	4	4	3
4	4	4	4
4	3	4	3
4	4	4	4
5	4	5	3
4	4	4	4
NA	NA	NA	NA
3	4	4	4
4	4	5	4
5	4	4	3
4	4	4	3
5	4	4	3
4	4	4	3
4	4	5	4
4	3	5	3
4	4	4	4
4	4	4	3
4	4	5	3
4	4	5	3
3	4	3	3
4	3	5	3
5	4	4	4
4	4	5	2
4	2	4	3
5	4	5	3
4	4	4	3
3	3	4	4
2	4	4	4
5	4	5	4
4	4	4	3
5	4	5	3
4	3	3	3
4	4	5	3
4	4	4	3
3	4	5	3
4	4	5	3
4	4	4	3
3	4	3	3
NA	NA	NA	NA
5	4	5	3
4	5	5	3
4	5	4	4
2	3	3	3
3	4	4	3
2	4	4	3
4	4	4	3
5	5	4	3
4	4	4	4
4	4	4	3
5	4	5	3
5	4	4	3
4	5	4	3
5	4	4	3
4	4	4	3
4	2	4	2
5	4	5	3
3	4	4	3
2	4	4	4
5	4	4	3
4	4	4	3
4	4	4	3
3	4	3	3
3	3	4	3
4	5	4	4
4	4	4	3
5	3	5	3
3	4	4	3
2	4	4	5
5	4	5	3
4	4	5	3
3	3	3	3
4	4	5	3
5	4	4	4
4	4	5	4
5	5	5	5
4	4	5	4
5	4	5	4
4	4	4	3
5	4	4	4
5	4	2	3
4	4	4	3
4	5	5	3
4	4	5	3
4	5	5	3
4	4	4	3
4	4	4	4
4	5	4	5
5	4	5	4
5	4	4	3
NA	NA	NA	NA
4	4	5	4
4	4	4	3
2	4	4	3
4	4	4	3
4	4	5	4
4	4	4	4
4	4	5	3
4	4	4	3
4	4	4	4
4	4	4	4
3	4	3	3
4	4	4	3
3	3	3	3
5	4	5	5
4	4	4	4
5	4	4	3
4	4	5	4
5	4	4	3
3	4	4	3
4	4	4	3
3	4	4	3
4	4	4	4
4	4	4	3
4	4	5	4
4	4	4	3
5	4	4	3
4	4	5	3
4	4	4	3
4	4	4	3
2	3	3	3
4	4	4	4
4	5	4	5
3	3	4	3
2	3	3	3
4	4	4	4
4	4	5	5
NA	NA	NA	NA
4	4	4	3
5	5	5	4
4	5	5	3
3	3	4	3
3	4	4	3
4	4	4	4
3	4	3	3
4	5	5	3
2	4	4	4
5	5	5	4
4	3	4	3
4	4	4	4
3	3	3	3
4	4	4	4
5	4	4	3
4	4	4	3
2	4	3	3
4	4	4	3
5	4	5	3
3	4	3	3
4	4	4	3
5	4	5	4
4	4	4	3
5	5	5	3
3	4	4	4
4	4	4	3
4	4	4	4
3	3	4	3
4	4	4	4
3	4	3	3
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	1 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 time1 seconds \tabularnewline
R ServerBig Analytics Cloud Computing Center \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=298486&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]

1 seconds[/C][/ROW] [ROW]

R Server[/C]

Big Analytics Cloud Computing Center[/C][/ROW] [/TABLE] Source: https://freestatistics.org/blog/index.php?pk=298486&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=298486&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	Big Analytics Cloud Computing Center

Cronbach Alpha and Related Statistics
Items	Cronbach Alpha	Std. Alpha	G6(smc)	Average R
All itmes	0.5443	0.5512	0.5196	0.2349
TV1 excluded	0.4617	0.4706	0.3781	0.2286
TV2 excluded	0.4572	0.4488	0.414	0.2135
TV3 excluded	0.343	0.3825	0.3162	0.1712
TV4 excluded	0.5913	0.5926	0.5107	0.3266

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.5443 & 0.5512 & 0.5196 & 0.2349 \tabularnewline
TV1 excluded & 0.4617 & 0.4706 & 0.3781 & 0.2286 \tabularnewline
TV2 excluded & 0.4572 & 0.4488 & 0.414 & 0.2135 \tabularnewline
TV3 excluded & 0.343 & 0.3825 & 0.3162 & 0.1712 \tabularnewline
TV4 excluded & 0.5913 & 0.5926 & 0.5107 & 0.3266 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=298486&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]0.5443[/C][C]0.5512[/C][C]0.5196[/C][C]0.2349[/C][/ROW]
[ROW][C]TV1 excluded[/C][C]0.4617[/C][C]0.4706[/C][C]0.3781[/C][C]0.2286[/C][/ROW]
[ROW][C]TV2 excluded[/C][C]0.4572[/C][C]0.4488[/C][C]0.414[/C][C]0.2135[/C][/ROW]
[ROW][C]TV3 excluded[/C][C]0.343[/C][C]0.3825[/C][C]0.3162[/C][C]0.1712[/C][/ROW]
[ROW][C]TV4 excluded[/C][C]0.5913[/C][C]0.5926[/C][C]0.5107[/C][C]0.3266[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=298486&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=298486&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	0.5443	0.5512	0.5196	0.2349
TV1 excluded	0.4617	0.4706	0.3781	0.2286
TV2 excluded	0.4572	0.4488	0.414	0.2135
TV3 excluded	0.343	0.3825	0.3162	0.1712
TV4 excluded	0.5913	0.5926	0.5107	0.3266

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')

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Dataset

Tables (Output of Computation)

Figures (Output of Computation)

Input Parameters & R Code