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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

Sat, 13 Dec 2014 21:54:13 +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/13/t1418507667ao7byb7ivh71orr.htm/, Retrieved Thu, 16 May 2024 15:20:10 +0000

Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=267293, Retrieved Thu, 16 May 2024 15:20:10 +0000

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Original text written by user:

IsPrivate?

No (this computation is public)

User-defined keywords

Estimated Impact

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

-     [Survey Scores] [Paper EM1 2012] [2014-12-13 15:16:56] [81f624c2f0b20a2549c93e7c3dccf981]
- RMPD    [Cronbach Alpha] [CA I2 2012] [2014-12-13 21:54:13] [64070895b9a6ba473199a431c837c7d3] [Current]

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Dataseries X:

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Histogram

Boxplots

0	1	0	0
-2	-2	-3	-3
-1	1	3	3
1	1	1	1
-1	0	1	0
0	2	-1	-1
1	0	0	0
2	2	0	0
1	2	1	3
1	0	0	1
1	-1	-2	-1
2	2	1	1
1	1	1	1
1	1	1	1
-2	0	-1	0
0	3	0	-3
3	3	2	1
0	1	-1	0
-2	0	1	0
1	1	0	1
2	1	0	0
2	2	2	2
-2	-2	-2	-1
1	2	1	2
-1	0	0	0
0	2	2	2
1	1	2	2
2	2	1	3
-1	-2	-1	0
-2	2	3	2
2	2	2	3
3	3	2	2
1	1	2	1
-1	0	-1	0
3	3	3	3
1	1	2	1
1	1	-1	-1
0	-1	0	1
2	3	2	2
0	2	1	2
2	1	2	1
-1	-1	-3	-2
1	1	1	1
0	2	1	0
3	3	-1	3
0	2	2	2
1	1	2	2
-3	0	-2	1
0	-1	1	1
0	1	0	1
-2	-2	1	-3
1	2	2	1
2	3	2	1
-1	2	2	-1
0	1	0	1
2	1	2	2
0	2	2	1
1	2	1	1
3	3	3	3
0	1	0	0
0	1	2	2
1	1	2	1
1	1	1	1
0	1	0	1
-1	0	1	1
-3	-2	-2	-2
0	1	1	-1
0	0	-2	0
0	1	1	0
1	0	-2	-1
1	2	2	2
1	1	1	1
-2	-1	1	0
0	2	-2	1
2	2	1	0
2	2	2	1
2	2	2	2
0	2	2	1
-1	0	0	-1
2	2	2	2
-1	-1	1	1
2	2	0	1
-3	0	-2	-3
1	-1	1	0
-1	1	2	0
0	0	1	0
0	-2	1	1
1	1	2	2
0	1	2	-2
1	2	1	1
1	0	2	1
1	1	0	2
-1	1	2	1
-2	-3	-3	0
1	-1	1	2
-2	0	-2	-1
-1	0	-1	-1
-1	1	1	1
1	1	1	0
2	2	2	1
0	0	2	2
1	3	1	1
0	1	1	1
-1	0	1	0
-1	-2	-1	-1
2	1	1	1
-1	-1	0	0
1	2	1	1
1	1	0	2
1	1	2	1
0	1	1	2
0	0	1	2
1	1	0	1
0	0	1	1
0	1	2	1
1	1	1	2
1	2	2	1
0	2	0	1
2	2	2	1
0	-1	-1	2
1	2	2	2
-1	1	1	1
1	2	2	2
1	1	1	1
1	1	1	1
2	3	1	1
-2	3	-2	-2
-1	2	2	2
3	3	3	1
-2	2	1	1
0	2	1	0
1	2	-1	0
-1	2	2	-1
2	2	-1	0
0	-1	-1	-1
-2	-1	-2	-1
1	2	0	2
3	2	2	1
2	1	0	2
2	2	2	1
-1	1	1	1
-2	-1	1	-3
0	1	0	-1
2	0	0	2
0	1	1	2
2	3	3	2
-1	2	3	1
-2	0	-2	0
-1	1	-1	0
-1	0	2	1
0	-1	-1	0
0	1	0	1
-2	1	0	1
2	1	1	-1
-2	-1	-3	-3
2	-3	3	3
2	2	2	2
1	1	2	1
1	1	1	1
-1	3	1	3
0	1	0	0
0	1	2	0
1	1	1	1
-1	1	0	0
1	1	1	1
-1	1	0	0

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	'George Udny Yule' @ yule.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 & 0 seconds \tabularnewline
R Server & 'George Udny Yule' @ yule.wessa.net \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=267293&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]0 seconds[/C][/ROW]
[ROW][C]R Server[/C][C]'George Udny Yule' @ yule.wessa.net[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=267293&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=267293&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	'George Udny Yule' @ yule.wessa.net

Cronbach Alpha and Related Statistics
Items	Cronbach Alpha	Std. Alpha	G6(smc)	Average R
All itmes	0.7934	0.7935	0.7517	0.49
AMS6 excluded	0.7377	0.7368	0.66	0.4827
AMS13 excluded	0.7602	0.7615	0.6849	0.5156
AMS20 excluded	0.7357	0.735	0.655	0.4804
AMS27 excluded	0.7346	0.7357	0.6511	0.4814

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.7934 & 0.7935 & 0.7517 & 0.49 \tabularnewline
AMS6 excluded & 0.7377 & 0.7368 & 0.66 & 0.4827 \tabularnewline
AMS13 excluded & 0.7602 & 0.7615 & 0.6849 & 0.5156 \tabularnewline
AMS20 excluded & 0.7357 & 0.735 & 0.655 & 0.4804 \tabularnewline
AMS27 excluded & 0.7346 & 0.7357 & 0.6511 & 0.4814 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=267293&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]0.7934[/C][C]0.7935[/C][C]0.7517[/C][C]0.49[/C][/ROW]
[ROW][C]AMS6 excluded[/C][C]0.7377[/C][C]0.7368[/C][C]0.66[/C][C]0.4827[/C][/ROW]
[ROW][C]AMS13 excluded[/C][C]0.7602[/C][C]0.7615[/C][C]0.6849[/C][C]0.5156[/C][/ROW]
[ROW][C]AMS20 excluded[/C][C]0.7357[/C][C]0.735[/C][C]0.655[/C][C]0.4804[/C][/ROW]
[ROW][C]AMS27 excluded[/C][C]0.7346[/C][C]0.7357[/C][C]0.6511[/C][C]0.4814[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=267293&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=267293&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	0.7934	0.7935	0.7517	0.49
AMS6 excluded	0.7377	0.7368	0.66	0.4827
AMS13 excluded	0.7602	0.7615	0.6849	0.5156
AMS20 excluded	0.7357	0.735	0.655	0.4804
AMS27 excluded	0.7346	0.7357	0.6511	0.4814

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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Figures (Output of Computation)

Input Parameters & R Code