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Author's title

Author

*Unverified author*

R Software Module

rwasp_cronbach.wasp

Title produced by software

Cronbach Alpha

Date of computation

Fri, 17 Oct 2014 16:42:46 +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/2014/Oct/17/t1413560677sjexqjewsmm6kgv.htm/, Retrieved Fri, 10 May 2024 20:03:04 +0000

Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=243325, Retrieved Fri, 10 May 2024 20:03:04 +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] [] [2014-10-17 15:42:46] [d41d8cd98f00b204e9800998ecf8427e] [Current]

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Dataseries X:

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

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	'Sir Maurice George Kendall' @ kendall.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 & 'Sir Maurice George Kendall' @ kendall.wessa.net \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=243325&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]'Sir Maurice George Kendall' @ kendall.wessa.net[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=243325&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=243325&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	'Sir Maurice George Kendall' @ kendall.wessa.net

Cronbach Alpha and Related Statistics
Items	Cronbach Alpha	Std. Alpha	G6(smc)	Average R
All itmes	0.8704	0.8806	0.9555	0.4504
V1 excluded	0.8634	0.8774	0.9373	0.4722
V2 excluded	0.8616	0.8748	0.9577	0.4662
V3 excluded	0.8599	0.87	0.9307	0.4555
V4 excluded	0.8776	0.891	0.9516	0.5055
V5 excluded	0.8427	0.8533	0.9268	0.4209
V6 excluded	0.848	0.8555	0.9349	0.4252
V7 excluded	0.8489	0.8632	0.9339	0.441
V8 excluded	0.838	0.8523	0.9117	0.419
V9 excluded	0.8613	0.8666	0.9442	0.448

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.8704 & 0.8806 & 0.9555 & 0.4504 \tabularnewline
V1 excluded & 0.8634 & 0.8774 & 0.9373 & 0.4722 \tabularnewline
V2 excluded & 0.8616 & 0.8748 & 0.9577 & 0.4662 \tabularnewline
V3 excluded & 0.8599 & 0.87 & 0.9307 & 0.4555 \tabularnewline
V4 excluded & 0.8776 & 0.891 & 0.9516 & 0.5055 \tabularnewline
V5 excluded & 0.8427 & 0.8533 & 0.9268 & 0.4209 \tabularnewline
V6 excluded & 0.848 & 0.8555 & 0.9349 & 0.4252 \tabularnewline
V7 excluded & 0.8489 & 0.8632 & 0.9339 & 0.441 \tabularnewline
V8 excluded & 0.838 & 0.8523 & 0.9117 & 0.419 \tabularnewline
V9 excluded & 0.8613 & 0.8666 & 0.9442 & 0.448 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=243325&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]0.8704[/C][C]0.8806[/C][C]0.9555[/C][C]0.4504[/C][/ROW]
[ROW][C]V1 excluded[/C][C]0.8634[/C][C]0.8774[/C][C]0.9373[/C][C]0.4722[/C][/ROW]
[ROW][C]V2 excluded[/C][C]0.8616[/C][C]0.8748[/C][C]0.9577[/C][C]0.4662[/C][/ROW]
[ROW][C]V3 excluded[/C][C]0.8599[/C][C]0.87[/C][C]0.9307[/C][C]0.4555[/C][/ROW]
[ROW][C]V4 excluded[/C][C]0.8776[/C][C]0.891[/C][C]0.9516[/C][C]0.5055[/C][/ROW]
[ROW][C]V5 excluded[/C][C]0.8427[/C][C]0.8533[/C][C]0.9268[/C][C]0.4209[/C][/ROW]
[ROW][C]V6 excluded[/C][C]0.848[/C][C]0.8555[/C][C]0.9349[/C][C]0.4252[/C][/ROW]
[ROW][C]V7 excluded[/C][C]0.8489[/C][C]0.8632[/C][C]0.9339[/C][C]0.441[/C][/ROW]
[ROW][C]V8 excluded[/C][C]0.838[/C][C]0.8523[/C][C]0.9117[/C][C]0.419[/C][/ROW]
[ROW][C]V9 excluded[/C][C]0.8613[/C][C]0.8666[/C][C]0.9442[/C][C]0.448[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=243325&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=243325&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	0.8704	0.8806	0.9555	0.4504
V1 excluded	0.8634	0.8774	0.9373	0.4722
V2 excluded	0.8616	0.8748	0.9577	0.4662
V3 excluded	0.8599	0.87	0.9307	0.4555
V4 excluded	0.8776	0.891	0.9516	0.5055
V5 excluded	0.8427	0.8533	0.9268	0.4209
V6 excluded	0.848	0.8555	0.9349	0.4252
V7 excluded	0.8489	0.8632	0.9339	0.441
V8 excluded	0.838	0.8523	0.9117	0.419
V9 excluded	0.8613	0.8666	0.9442	0.448

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

Tables (Output of Computation)

Figures (Output of Computation)

Input Parameters & R Code