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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 21:56:55 +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/t1418507833blghfja09x35llx.htm/, Retrieved Thu, 16 May 2024 13:33:12 +0000

Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=267295, Retrieved Thu, 16 May 2024 13:33:12 +0000

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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 I3 2012] [2014-12-13 21:56:55] [64070895b9a6ba473199a431c837c7d3] [Current]

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Dataseries X:

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Histogram

Boxplots

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

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	'Sir Ronald Aylmer Fisher' @ fisher.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 & 'Sir Ronald Aylmer Fisher' @ fisher.wessa.net \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=267295&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]'Sir Ronald Aylmer Fisher' @ fisher.wessa.net[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=267295&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=267295&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	'Sir Ronald Aylmer Fisher' @ fisher.wessa.net

Cronbach Alpha and Related Statistics
Items	Cronbach Alpha	Std. Alpha	G6(smc)	Average R
All itmes	0.8072	0.8088	0.7832	0.514
AMS4 excluded	0.8299	0.8315	0.7834	0.6219
AMS11 excluded	0.7268	0.7274	0.6553	0.4708
AMS18 excluded	0.7025	0.7035	0.619	0.4417
AMS25 excluded	0.7636	0.766	0.7257	0.5217

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.8072 & 0.8088 & 0.7832 & 0.514 \tabularnewline
AMS4 excluded & 0.8299 & 0.8315 & 0.7834 & 0.6219 \tabularnewline
AMS11 excluded & 0.7268 & 0.7274 & 0.6553 & 0.4708 \tabularnewline
AMS18 excluded & 0.7025 & 0.7035 & 0.619 & 0.4417 \tabularnewline
AMS25 excluded & 0.7636 & 0.766 & 0.7257 & 0.5217 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=267295&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]0.8072[/C][C]0.8088[/C][C]0.7832[/C][C]0.514[/C][/ROW]
[ROW][C]AMS4 excluded[/C][C]0.8299[/C][C]0.8315[/C][C]0.7834[/C][C]0.6219[/C][/ROW]
[ROW][C]AMS11 excluded[/C][C]0.7268[/C][C]0.7274[/C][C]0.6553[/C][C]0.4708[/C][/ROW]
[ROW][C]AMS18 excluded[/C][C]0.7025[/C][C]0.7035[/C][C]0.619[/C][C]0.4417[/C][/ROW]
[ROW][C]AMS25 excluded[/C][C]0.7636[/C][C]0.766[/C][C]0.7257[/C][C]0.5217[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=267295&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=267295&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	0.8072	0.8088	0.7832	0.514
AMS4 excluded	0.8299	0.8315	0.7834	0.6219
AMS11 excluded	0.7268	0.7274	0.6553	0.4708
AMS18 excluded	0.7025	0.7035	0.619	0.4417
AMS25 excluded	0.7636	0.766	0.7257	0.5217

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