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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, 17 Dec 2014 14:41:53 +0000

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/2014/Dec/17/t1418827328o6yoj8x369tgibz.htm/, Retrieved Thu, 16 May 2024 14:50:46 +0000

Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=270346, Retrieved Thu, 16 May 2024 14:50:46 +0000

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No (this computation is public)

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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] [6) Extrinsieke mo...] [2014-12-17 14:41:53] [3c8f34fed408bc4f957cadcbcbd22146] [Current]

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Boxplots

3 4 3 5
7 7 6 7
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5 5 1 3
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3 5 7 6
6 7 6 7
2 5 4 4
5 6 6 6
4 4 3 4
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5 6 5 5
7 7 7 7
2 6 5 6
3 7 4 7
4 7 5 6
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5 5 5 5
4 4 5 4
6 7 6 7
5 5 6 5
6 6 6 6
6 5 5 5
6 7 5 7
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2 5 5 5
3 3 5 3
5 6 6 6
7 7 7 7
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6 7 6 6
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4 6 6 6
2 5 4 5
3 5 5 5
6 7 7 7
4 4 4 5
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6 5 5 5
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7 7 6 7
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4 5 5 5
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7 6 5 6
4 6 6 6
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5 6 2 4
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1 5 6 5
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2 2 2 2
4 4 4 2
4 7 6 5
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2 6 5 6
5 5 6 5
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6 7 5 6
1 3 1 1
4 6 6 6
5 5 5 6
7 7 7 7
6 6 6 6
2 2 5 5
2 5 5 5
6 6 3 5
7 7 7 7
3 7 4 5
6 6 6 6
5 5 5 6
5 6 5 5
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6 6 6 6
6 6 6 6
7 5 7 7
4 6 7 6
4 6 4 6
5 3 4 4
6 6 6 6
5 5 5 5
6 6 6 5
5 6 6 6
5 6 2 5
6 5 5 5
7 7 4 7
5 6 6 6
6 7 6 7
6 7 7 6
7 6 5 6
4 6 7 6
5 6 4 6
6 5 6 6
5 5 5 5
5 6 6 6
5 6 7 6
6 7 5 5
4 4 4 4
5 5 4 4
7 7 7 7
6 7 7 6
3 6 6 6
2 6 6 6
4 6 6 5
5 7 7 7
1 7 1 6
2 6 6 2
5 5 6 5
6 6 7 6
5 6 5 6
4 4 6 5
6 6 6 6
6 7 5 6
6 5 6 6
6 6 5 5
7 7 6 7
6 6 5 5
6 6 6 6
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7 7 7 7
5 5 5 5
5 6 6 6
6 6 6 6
2 7 7 7
6 7 6 7
5 5 5 5
5 7 4 4
3 3 3 3
5 6 5 5
7 7 7 7
6 5 7 6
6 6 6 6
6 6 6 6
6 6 5 5
5 7 7 7
6 6 5 6
5 2 1 2
7 6 7 7
4 6 7 7
6 7 7 6
4 5 5 4
5 6 5 6
6 6 6 6
3 5 3 5
6 6 5 6
5 7 4 5
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5 5 5 4
4 6 4 4
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4 3 6 4
4 6 6 4
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7 4 4 5
5 7 6 6
6 7 6 6
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6 6 7 7
1 3 6 4
5 5 4 5
5 6 6 6
6 7 6 6
6 6 5 6
5 5 4 5
4 7 6 6
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5 6 5 5
5 7 4 5
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5 5 6 5
6 6 5 6
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5 4 4 4
6 7 7 7
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6 6 6 6
6 7 7 7
4 6 5 7
5 6 6 6
5 7 5 7
5 6 7 6
6 7 7 6
3 6 6 6
6 6 6 5
5 5 4 4
5 7 7 6
4 6 7 7
6 7 7 7
5 5 5 5
6 7 6 6
5 6 6 6
4 7 7 7
5 6 7 6
4 7 5 7
5 5 4 5
4 7 7 7
7 7 7 7
6 7 7 6
5 7 6 6
6 6 7 6
7 7 7 7
6 5 6 6
3 4 4 4
3 5 5 5
6 6 6 6
6 7 7 7
6 7 6 6
7 5 6 6
6 7 7 6
2 6 5 6
5 7 4 7
5 6 4 6
4 6 6 6
6 7 4 6
5 6 6 6
5 6 4 5
4 6 5 5
5 7 6 7
7 7 7 7
5 5 4 5
2 7 6 6
5 5 6 5
6 6 6 7
5 5 4 4
5 6 5 6
5 6 5 5
5 6 5 5
7 6 6 6
4 6 5 5
3 6 6 7
6 7 7 7
4 7 6 6
6 7 6 6
7 7 7 7
6 7 6 6
6 6 6 6
7 6 7 7
4 5 5 5
6 6 5 7
5 7 5 5
6 5 6 6
5 5 6 5
4 6 5 6
5 5 5 5
7 7 6 6
7 7 7 7
5 5 6 7
3 5 5 6
5 6 7 5
4 5 4 5
5 4 6 6
7 7 7 7
4 6 6 6
7 7 7 7
5 6 4 5
3 7 6 7
5 7 7 6
5 5 2 4
6 7 6 4
4 5 5 4
4 6 6 6
5 6 5 5
4 5 5 5
2 6 6 6
6 7 7 7
6 7 7 7
6 6 3 5
7 7 6 6
6 7 6 6
5 6 6 6
4 7 7 6
6 7 7 7
7 7 7 7
6 6 7 7
6 7 7 7
6 6 5 6
7 7 7 7
6 6 5 5
5 6 6 6
6 7 7 7
4 6 5 3
6 5 6 5
5 6 6 6
5 6 7 7
2 4 4 4
3 5 7 6
6 7 7 6
7 7 7 7
5 6 5 6
6 6 6 6
7 7 7 7
6 6 6 6
5 7 7 7
3 6 3 6
4 5 5 5
5 7 7 7
5 7 7 7
4 4 2 2
6 6 6 6
7 7 6 6
NA NA NA NA
NA NA NA NA
NA NA NA NA
NA NA NA NA
4 6 7 6
NA NA NA NA
NA NA NA NA
NA NA NA NA
NA NA NA NA
NA NA NA NA
NA NA NA NA
NA NA NA NA
NA NA NA NA
NA NA NA NA
NA NA NA NA
NA NA NA NA
NA NA NA NA

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	'Gwilym Jenkins' @ jenkins.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 & 'Gwilym Jenkins' @ jenkins.wessa.net \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=270346&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]'Gwilym Jenkins' @ jenkins.wessa.net[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=270346&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=270346&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	'Gwilym Jenkins' @ jenkins.wessa.net

Cronbach Alpha and Related Statistics
Items	Cronbach Alpha	Std. Alpha	G6(smc)	Average R
All itmes	0.7752	0.7903	0.7654	0.4852
AMS1E3 excluded	0.8159	0.8198	0.7686	0.6027
AMS8E3 excluded	0.6928	0.7077	0.6534	0.4466
AMS15E3 excluded	0.7191	0.7405	0.685	0.4875
AMS22E3 excluded	0.6544	0.6702	0.5852	0.4038

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.7752 & 0.7903 & 0.7654 & 0.4852 \tabularnewline
AMS1E3 excluded & 0.8159 & 0.8198 & 0.7686 & 0.6027 \tabularnewline
AMS8E3 excluded & 0.6928 & 0.7077 & 0.6534 & 0.4466 \tabularnewline
AMS15E3 excluded & 0.7191 & 0.7405 & 0.685 & 0.4875 \tabularnewline
AMS22E3 excluded & 0.6544 & 0.6702 & 0.5852 & 0.4038 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=270346&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]0.7752[/C][C]0.7903[/C][C]0.7654[/C][C]0.4852[/C][/ROW]
[ROW][C]AMS1E3 excluded[/C][C]0.8159[/C][C]0.8198[/C][C]0.7686[/C][C]0.6027[/C][/ROW]
[ROW][C]AMS8E3 excluded[/C][C]0.6928[/C][C]0.7077[/C][C]0.6534[/C][C]0.4466[/C][/ROW]
[ROW][C]AMS15E3 excluded[/C][C]0.7191[/C][C]0.7405[/C][C]0.685[/C][C]0.4875[/C][/ROW]
[ROW][C]AMS22E3 excluded[/C][C]0.6544[/C][C]0.6702[/C][C]0.5852[/C][C]0.4038[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=270346&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=270346&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	0.7752	0.7903	0.7654	0.4852
AMS1E3 excluded	0.8159	0.8198	0.7686	0.6027
AMS8E3 excluded	0.6928	0.7077	0.6534	0.4466
AMS15E3 excluded	0.7191	0.7405	0.685	0.4875
AMS22E3 excluded	0.6544	0.6702	0.5852	0.4038

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')

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Dataset

Tables (Output of Computation)

Figures (Output of Computation)

Input Parameters & R Code