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Author

*Unverified author*

R Software Module

rwasp_cronbach.wasp

Title produced by software

Cronbach Alpha

Date of computation

Mon, 07 Mar 2022 10:24:54 +0100

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Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?v=date/2022/Mar/07/t16466451424ibs1exke19urpg.htm/, Retrieved Tue, 14 May 2024 17:40:38 +0000

Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=319652, Retrieved Tue, 14 May 2024 17:40:38 +0000

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Estimated Impact

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

-       [Cronbach Alpha] [] [2022-03-07 09:24:54] [d41d8cd98f00b204e9800998ecf8427e] [Current]

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Dataseries X:

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Boxplots

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

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=319652&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=319652&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=319652&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	0.7985	0.7969	0.821	0.3291
Q18 excluded	0.7517	0.7559	0.7676	0.3067
Q19 excluded	0.7709	0.7643	0.7849	0.3166
Q20 excluded	0.7595	0.7625	0.7826	0.3145
Q21 excluded	0.7766	0.772	0.7965	0.3261
Q22 excluded	0.7509	0.7499	0.7754	0.2998
Q23 excluded	0.7816	0.7804	0.801	0.3367
Q24 excluded	0.8185	0.8171	0.8273	0.3895
Q25 excluded	0.7876	0.7849	0.8104	0.3426

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.7985 & 0.7969 & 0.821 & 0.3291 \tabularnewline
Q18 excluded & 0.7517 & 0.7559 & 0.7676 & 0.3067 \tabularnewline
Q19 excluded & 0.7709 & 0.7643 & 0.7849 & 0.3166 \tabularnewline
Q20 excluded & 0.7595 & 0.7625 & 0.7826 & 0.3145 \tabularnewline
Q21 excluded & 0.7766 & 0.772 & 0.7965 & 0.3261 \tabularnewline
Q22 excluded & 0.7509 & 0.7499 & 0.7754 & 0.2998 \tabularnewline
Q23 excluded & 0.7816 & 0.7804 & 0.801 & 0.3367 \tabularnewline
Q24 excluded & 0.8185 & 0.8171 & 0.8273 & 0.3895 \tabularnewline
Q25 excluded & 0.7876 & 0.7849 & 0.8104 & 0.3426 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=319652&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]0.7985[/C][C]0.7969[/C][C]0.821[/C][C]0.3291[/C][/ROW]
[ROW][C]Q18 excluded[/C][C]0.7517[/C][C]0.7559[/C][C]0.7676[/C][C]0.3067[/C][/ROW]
[ROW][C]Q19 excluded[/C][C]0.7709[/C][C]0.7643[/C][C]0.7849[/C][C]0.3166[/C][/ROW]
[ROW][C]Q20 excluded[/C][C]0.7595[/C][C]0.7625[/C][C]0.7826[/C][C]0.3145[/C][/ROW]
[ROW][C]Q21 excluded[/C][C]0.7766[/C][C]0.772[/C][C]0.7965[/C][C]0.3261[/C][/ROW]
[ROW][C]Q22 excluded[/C][C]0.7509[/C][C]0.7499[/C][C]0.7754[/C][C]0.2998[/C][/ROW]
[ROW][C]Q23 excluded[/C][C]0.7816[/C][C]0.7804[/C][C]0.801[/C][C]0.3367[/C][/ROW]
[ROW][C]Q24 excluded[/C][C]0.8185[/C][C]0.8171[/C][C]0.8273[/C][C]0.3895[/C][/ROW]
[ROW][C]Q25 excluded[/C][C]0.7876[/C][C]0.7849[/C][C]0.8104[/C][C]0.3426[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=319652&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=319652&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	0.7985	0.7969	0.821	0.3291
Q18 excluded	0.7517	0.7559	0.7676	0.3067
Q19 excluded	0.7709	0.7643	0.7849	0.3166
Q20 excluded	0.7595	0.7625	0.7826	0.3145
Q21 excluded	0.7766	0.772	0.7965	0.3261
Q22 excluded	0.7509	0.7499	0.7754	0.2998
Q23 excluded	0.7816	0.7804	0.801	0.3367
Q24 excluded	0.8185	0.8171	0.8273	0.3895
Q25 excluded	0.7876	0.7849	0.8104	0.3426

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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Input Parameters & R Code