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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, 14 Dec 2016 16:55:51 +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/2016/Dec/14/t1481731953ae5tbrgudesoobg.htm/, Retrieved Fri, 03 May 2024 23:11:33 +0000

Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=299594, Retrieved Fri, 03 May 2024 23:11:33 +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] [Cronbach's Alpha ...] [2016-12-14 15:55:51] [3c8d1d1050061614560bf423eb580e6a] [Current]

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Boxplots

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

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=299594&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=299594&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=299594&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	0.6623	0.673	0.6998	0.2046
IK1 excluded	0.6427	0.6514	0.6707	0.2107
IK2 excluded	0.627	0.6322	0.646	0.1971
IK3 excluded	0.641	0.6489	0.6621	0.2089
IK4 excluded	0.6468	0.6559	0.6784	0.214
ITH1 excluded	0.5957	0.616	0.6346	0.1865
ITH2 excluded	0.6107	0.6233	0.6532	0.1912
ITH3 excluded	0.6408	0.6565	0.6642	0.2145
ITH4 excluded	0.6475	0.656	0.6809	0.2141

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.6623 & 0.673 & 0.6998 & 0.2046 \tabularnewline
IK1 excluded & 0.6427 & 0.6514 & 0.6707 & 0.2107 \tabularnewline
IK2 excluded & 0.627 & 0.6322 & 0.646 & 0.1971 \tabularnewline
IK3 excluded & 0.641 & 0.6489 & 0.6621 & 0.2089 \tabularnewline
IK4 excluded & 0.6468 & 0.6559 & 0.6784 & 0.214 \tabularnewline
ITH1 excluded & 0.5957 & 0.616 & 0.6346 & 0.1865 \tabularnewline
ITH2 excluded & 0.6107 & 0.6233 & 0.6532 & 0.1912 \tabularnewline
ITH3 excluded & 0.6408 & 0.6565 & 0.6642 & 0.2145 \tabularnewline
ITH4 excluded & 0.6475 & 0.656 & 0.6809 & 0.2141 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=299594&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]0.6623[/C][C]0.673[/C][C]0.6998[/C][C]0.2046[/C][/ROW]
[ROW][C]IK1 excluded[/C][C]0.6427[/C][C]0.6514[/C][C]0.6707[/C][C]0.2107[/C][/ROW]
[ROW][C]IK2 excluded[/C][C]0.627[/C][C]0.6322[/C][C]0.646[/C][C]0.1971[/C][/ROW]
[ROW][C]IK3 excluded[/C][C]0.641[/C][C]0.6489[/C][C]0.6621[/C][C]0.2089[/C][/ROW]
[ROW][C]IK4 excluded[/C][C]0.6468[/C][C]0.6559[/C][C]0.6784[/C][C]0.214[/C][/ROW]
[ROW][C]ITH1 excluded[/C][C]0.5957[/C][C]0.616[/C][C]0.6346[/C][C]0.1865[/C][/ROW]
[ROW][C]ITH2 excluded[/C][C]0.6107[/C][C]0.6233[/C][C]0.6532[/C][C]0.1912[/C][/ROW]
[ROW][C]ITH3 excluded[/C][C]0.6408[/C][C]0.6565[/C][C]0.6642[/C][C]0.2145[/C][/ROW]
[ROW][C]ITH4 excluded[/C][C]0.6475[/C][C]0.656[/C][C]0.6809[/C][C]0.2141[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=299594&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=299594&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	0.6623	0.673	0.6998	0.2046
IK1 excluded	0.6427	0.6514	0.6707	0.2107
IK2 excluded	0.627	0.6322	0.646	0.1971
IK3 excluded	0.641	0.6489	0.6621	0.2089
IK4 excluded	0.6468	0.6559	0.6784	0.214
ITH1 excluded	0.5957	0.616	0.6346	0.1865
ITH2 excluded	0.6107	0.6233	0.6532	0.1912
ITH3 excluded	0.6408	0.6565	0.6642	0.2145
ITH4 excluded	0.6475	0.656	0.6809	0.2141

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)

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Input Parameters & R Code