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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

Sun, 29 Nov 2020 15:19:04 +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/2020/Nov/29/t16066604190e6larpo3o06zr9.htm/, Retrieved Sat, 27 Apr 2024 04:08:48 +0200

Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=, Retrieved Sat, 27 Apr 2024 04:08:48 +0200

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Original text written by user:

thank you for this free software

IsPrivate?

This computation is private

User-defined keywords

Estimated Impact

Dataseries X:

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Histogram

Boxplots

2	2	1	2	2	2	2	2	2	2	2	1	2	2	1	1	2	2	2	2	1	2	2	2	2	1	1	1	2	2	2	1	1	2	1	1	2	2
1	2	2	2	1	2	2	2	2	2	2	1	2	2	2	1	2	2	2	2	1	2	2	1	2	1	1	1	2	2	1	2	2	2	2	2	2	2
2	2	2	2	1	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	1	2	2	2	2	2	1	1	2	2	2	2	1	2	2	2	2	2
1	2	2	2	1	2	2	2	2	2	2	1	2	2	2	1	2	2	2	2	1	2	2	1	2	1	1	1	2	2	1	2	2	2	2	2	2	2
2	2	2	2	1	2	2	2	2	2	2	1	2	2	2	2	2	2	2	2	1	2	2	2	2	2	1	1	2	2	2	1	2	2	2	2	2	2
2	1	2	1	2	2	2	1	2	2	2	2	2	2	1	2	2	2	2	2	1	2	2	2	2	2	2	2	2	2	2	1	2	2	2	2	2	3
1	1	1	1	2	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	2	1	1	2	1	1	2	2	1	1	1	1	2	1	1	1	1	2
2	2	2	2	2	2	2	2	2	2	2	1	2	2	2	2	2	2	2	2	1	2	2	2	2	2	1	1	2	2	2	1	2	2	2	2	2	2
2	2	1	2	1	2	2	2	2	2	2	1	2	2	2	1	2	2	2	2	2	1	1	2	2	2	2	1	2	2	2	2	1	1	1	1	1	1
2	2	2	2	2	1	2	2	2	2	2	2	1	2	2	2	2	2	2	2	1	2	2	2	2	2	1	1	2	2	1	1	1	2	2	2	2	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	Big Analytics Cloud Computing Center
R Framework error message	The field 'Names of X columns' contains a hard return which cannot be interpreted. Please, resubmit your request without hard returns in the 'Names of X columns'.

\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 time1 seconds \tabularnewline
R ServerBig Analytics Cloud Computing Center \tabularnewline
R Framework error message & The field 'Names of X columns' contains a hard return which cannot be interpreted.
Please, resubmit your request without hard returns in the 'Names of X columns'. \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=&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]

1 seconds[/C][/ROW] [ROW]

R Server[/C]

Big Analytics Cloud Computing Center[/C][/ROW] [ROW]

R Framework error message[/C][C]

The field 'Names of X columns' contains a hard return which cannot be interpreted.
Please, resubmit your request without hard returns in the 'Names of X columns'.

[/C][/ROW] [/TABLE] Source: https://freestatistics.org/blog/index.php?pk=&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=&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	Big Analytics Cloud Computing Center
R Framework error message	The field 'Names of X columns' contains a hard return which cannot be interpreted. Please, resubmit your request without hard returns in the 'Names of X columns'.

Cronbach Alpha and Related Statistics
Items	Cronbach Alpha	Std. Alpha	G6(smc)	Average R
All itmes	0.9592	0.9686	0.9997	0.4482
Q1 excluded	0.9594	0.9689	0.9997	0.4572
Q2 excluded	0.9578	0.9677	0.9997	0.4476
Q3 excluded	0.9577	0.9678	0.9997	0.4484
Q4 excluded	0.9578	0.9677	0.9997	0.4476
Q5 excluded	0.9601	0.9692	1	0.46
Q6 excluded	0.9582	0.9681	0.9997	0.4503
Q7 excluded	0.9568	0.9664	0.9997	0.4374
Q8 excluded	0.9578	0.9677	0.9997	0.4476
Q9 excluded	0.9568	0.9664	0.9997	0.4374
Q10 excluded	0.9568	0.9664	0.9997	0.4374
Q11 excluded	0.9568	0.9664	0.9997	0.4374
Q12 excluded	0.9605	0.9697	0.9997	0.4641
Q13 excluded	0.9582	0.9681	0.9997	0.4503
Q14 excluded	0.9568	0.9664	0.9997	0.4374
Q15 excluded	0.9584	0.9682	0.9997	0.4515
Q16 excluded	0.9594	0.9689	0.9997	0.457
Q17 excluded	0.9568	0.9664	0.9997	0.4374
Q18 excluded	0.9568	0.9664	0.9997	0.4374
Q19 excluded	0.9568	0.9664	0.9997	0.4374
Q20 excluded	0.9568	0.9664	0.9997	0.4374
Q21 excluded	0.9571	0.9673	0.9997	0.444
Q22 excluded	0.9571	0.9673	0.9997	0.444
Q23 excluded	0.9571	0.9673	0.9997	0.444
Q24 excluded	0.9607	0.97	0.9997	0.4667
Q25 excluded	0.9568	0.9664	0.9997	0.4374
Q26 excluded	0.9598	0.9691	0.9997	0.4588
Q27 excluded	0.9579	0.9679	0.9997	0.4487
Q28 excluded	0.9578	0.9677	0.9997	0.4476
Q29 excluded	0.9568	0.9664	0.9997	0.4374
Q30 excluded	0.9568	0.9664	0.9997	0.4374
Q31 excluded	0.9604	0.9694	0.9997	0.4612
Q32 excluded	0.9609	0.9697	0.9997	0.4641
Q33 excluded	0.9615	0.9701	0.9997	0.4672
Q34 excluded	0.9571	0.9673	0.9997	0.444
Q35 excluded	0.9577	0.9678	0.9997	0.4484
Q36 excluded	0.9577	0.9678	0.9997	0.4484
Q37 excluded	0.9571	0.9673	0.9997	0.444
Q38 excluded	0.9617	0.9706	0.9997	0.4715

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.9592 & 0.9686 & 0.9997 & 0.4482 \tabularnewline
Q1 excluded & 0.9594 & 0.9689 & 0.9997 & 0.4572 \tabularnewline
Q2 excluded & 0.9578 & 0.9677 & 0.9997 & 0.4476 \tabularnewline
Q3 excluded & 0.9577 & 0.9678 & 0.9997 & 0.4484 \tabularnewline
Q4 excluded & 0.9578 & 0.9677 & 0.9997 & 0.4476 \tabularnewline
Q5 excluded & 0.9601 & 0.9692 & 1 & 0.46 \tabularnewline
Q6 excluded & 0.9582 & 0.9681 & 0.9997 & 0.4503 \tabularnewline
Q7 excluded & 0.9568 & 0.9664 & 0.9997 & 0.4374 \tabularnewline
Q8 excluded & 0.9578 & 0.9677 & 0.9997 & 0.4476 \tabularnewline
Q9 excluded & 0.9568 & 0.9664 & 0.9997 & 0.4374 \tabularnewline
Q10 excluded & 0.9568 & 0.9664 & 0.9997 & 0.4374 \tabularnewline
Q11 excluded & 0.9568 & 0.9664 & 0.9997 & 0.4374 \tabularnewline
Q12 excluded & 0.9605 & 0.9697 & 0.9997 & 0.4641 \tabularnewline
Q13 excluded & 0.9582 & 0.9681 & 0.9997 & 0.4503 \tabularnewline
Q14 excluded & 0.9568 & 0.9664 & 0.9997 & 0.4374 \tabularnewline
Q15 excluded & 0.9584 & 0.9682 & 0.9997 & 0.4515 \tabularnewline
Q16 excluded & 0.9594 & 0.9689 & 0.9997 & 0.457 \tabularnewline
Q17 excluded & 0.9568 & 0.9664 & 0.9997 & 0.4374 \tabularnewline
Q18 excluded & 0.9568 & 0.9664 & 0.9997 & 0.4374 \tabularnewline
Q19 excluded & 0.9568 & 0.9664 & 0.9997 & 0.4374 \tabularnewline
Q20 excluded & 0.9568 & 0.9664 & 0.9997 & 0.4374 \tabularnewline
Q21 excluded & 0.9571 & 0.9673 & 0.9997 & 0.444 \tabularnewline
Q22 excluded & 0.9571 & 0.9673 & 0.9997 & 0.444 \tabularnewline
Q23 excluded & 0.9571 & 0.9673 & 0.9997 & 0.444 \tabularnewline
Q24 excluded & 0.9607 & 0.97 & 0.9997 & 0.4667 \tabularnewline
Q25 excluded & 0.9568 & 0.9664 & 0.9997 & 0.4374 \tabularnewline
Q26 excluded & 0.9598 & 0.9691 & 0.9997 & 0.4588 \tabularnewline
Q27 excluded & 0.9579 & 0.9679 & 0.9997 & 0.4487 \tabularnewline
Q28 excluded & 0.9578 & 0.9677 & 0.9997 & 0.4476 \tabularnewline
Q29 excluded & 0.9568 & 0.9664 & 0.9997 & 0.4374 \tabularnewline
Q30 excluded & 0.9568 & 0.9664 & 0.9997 & 0.4374 \tabularnewline
Q31 excluded & 0.9604 & 0.9694 & 0.9997 & 0.4612 \tabularnewline
Q32 excluded & 0.9609 & 0.9697 & 0.9997 & 0.4641 \tabularnewline
Q33 excluded & 0.9615 & 0.9701 & 0.9997 & 0.4672 \tabularnewline
Q34 excluded & 0.9571 & 0.9673 & 0.9997 & 0.444 \tabularnewline
Q35 excluded & 0.9577 & 0.9678 & 0.9997 & 0.4484 \tabularnewline
Q36 excluded & 0.9577 & 0.9678 & 0.9997 & 0.4484 \tabularnewline
Q37 excluded & 0.9571 & 0.9673 & 0.9997 & 0.444 \tabularnewline
Q38

 excluded & 0.9617 & 0.9706 & 0.9997 & 0.4715 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=&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]0.9592[/C][C]0.9686[/C][C]0.9997[/C][C]0.4482[/C][/ROW]
[ROW][C]Q1 excluded[/C][C]0.9594[/C][C]0.9689[/C][C]0.9997[/C][C]0.4572[/C][/ROW]
[ROW][C]Q2 excluded[/C][C]0.9578[/C][C]0.9677[/C][C]0.9997[/C][C]0.4476[/C][/ROW]
[ROW][C]Q3 excluded[/C][C]0.9577[/C][C]0.9678[/C][C]0.9997[/C][C]0.4484[/C][/ROW]
[ROW][C]Q4 excluded[/C][C]0.9578[/C][C]0.9677[/C][C]0.9997[/C][C]0.4476[/C][/ROW]
[ROW][C]Q5 excluded[/C][C]0.9601[/C][C]0.9692[/C][C]1[/C][C]0.46[/C][/ROW]
[ROW][C]Q6 excluded[/C][C]0.9582[/C][C]0.9681[/C][C]0.9997[/C][C]0.4503[/C][/ROW]
[ROW][C]Q7 excluded[/C][C]0.9568[/C][C]0.9664[/C][C]0.9997[/C][C]0.4374[/C][/ROW]
[ROW][C]Q8 excluded[/C][C]0.9578[/C][C]0.9677[/C][C]0.9997[/C][C]0.4476[/C][/ROW]
[ROW][C]Q9 excluded[/C][C]0.9568[/C][C]0.9664[/C][C]0.9997[/C][C]0.4374[/C][/ROW]
[ROW][C]Q10 excluded[/C][C]0.9568[/C][C]0.9664[/C][C]0.9997[/C][C]0.4374[/C][/ROW]
[ROW][C]Q11 excluded[/C][C]0.9568[/C][C]0.9664[/C][C]0.9997[/C][C]0.4374[/C][/ROW]
[ROW][C]Q12 excluded[/C][C]0.9605[/C][C]0.9697[/C][C]0.9997[/C][C]0.4641[/C][/ROW]
[ROW][C]Q13 excluded[/C][C]0.9582[/C][C]0.9681[/C][C]0.9997[/C][C]0.4503[/C][/ROW]
[ROW][C]Q14 excluded[/C][C]0.9568[/C][C]0.9664[/C][C]0.9997[/C][C]0.4374[/C][/ROW]
[ROW][C]Q15 excluded[/C][C]0.9584[/C][C]0.9682[/C][C]0.9997[/C][C]0.4515[/C][/ROW]
[ROW][C]Q16 excluded[/C][C]0.9594[/C][C]0.9689[/C][C]0.9997[/C][C]0.457[/C][/ROW]
[ROW][C]Q17 excluded[/C][C]0.9568[/C][C]0.9664[/C][C]0.9997[/C][C]0.4374[/C][/ROW]
[ROW][C]Q18 excluded[/C][C]0.9568[/C][C]0.9664[/C][C]0.9997[/C][C]0.4374[/C][/ROW]
[ROW][C]Q19 excluded[/C][C]0.9568[/C][C]0.9664[/C][C]0.9997[/C][C]0.4374[/C][/ROW]
[ROW][C]Q20 excluded[/C][C]0.9568[/C][C]0.9664[/C][C]0.9997[/C][C]0.4374[/C][/ROW]
[ROW][C]Q21 excluded[/C][C]0.9571[/C][C]0.9673[/C][C]0.9997[/C][C]0.444[/C][/ROW]
[ROW][C]Q22 excluded[/C][C]0.9571[/C][C]0.9673[/C][C]0.9997[/C][C]0.444[/C][/ROW]
[ROW][C]Q23 excluded[/C][C]0.9571[/C][C]0.9673[/C][C]0.9997[/C][C]0.444[/C][/ROW]
[ROW][C]Q24 excluded[/C][C]0.9607[/C][C]0.97[/C][C]0.9997[/C][C]0.4667[/C][/ROW]
[ROW][C]Q25 excluded[/C][C]0.9568[/C][C]0.9664[/C][C]0.9997[/C][C]0.4374[/C][/ROW]
[ROW][C]Q26 excluded[/C][C]0.9598[/C][C]0.9691[/C][C]0.9997[/C][C]0.4588[/C][/ROW]
[ROW][C]Q27 excluded[/C][C]0.9579[/C][C]0.9679[/C][C]0.9997[/C][C]0.4487[/C][/ROW]
[ROW][C]Q28 excluded[/C][C]0.9578[/C][C]0.9677[/C][C]0.9997[/C][C]0.4476[/C][/ROW]
[ROW][C]Q29 excluded[/C][C]0.9568[/C][C]0.9664[/C][C]0.9997[/C][C]0.4374[/C][/ROW]
[ROW][C]Q30 excluded[/C][C]0.9568[/C][C]0.9664[/C][C]0.9997[/C][C]0.4374[/C][/ROW]
[ROW][C]Q31 excluded[/C][C]0.9604[/C][C]0.9694[/C][C]0.9997[/C][C]0.4612[/C][/ROW]
[ROW][C]Q32 excluded[/C][C]0.9609[/C][C]0.9697[/C][C]0.9997[/C][C]0.4641[/C][/ROW]
[ROW][C]Q33 excluded[/C][C]0.9615[/C][C]0.9701[/C][C]0.9997[/C][C]0.4672[/C][/ROW]
[ROW][C]Q34 excluded[/C][C]0.9571[/C][C]0.9673[/C][C]0.9997[/C][C]0.444[/C][/ROW]
[ROW][C]Q35 excluded[/C][C]0.9577[/C][C]0.9678[/C][C]0.9997[/C][C]0.4484[/C][/ROW]
[ROW][C]Q36 excluded[/C][C]0.9577[/C][C]0.9678[/C][C]0.9997[/C][C]0.4484[/C][/ROW]
[ROW][C]Q37 excluded[/C][C]0.9571[/C][C]0.9673[/C][C]0.9997[/C][C]0.444[/C][/ROW]
[ROW][C]Q38

 excluded[/C][C]0.9617[/C][C]0.9706[/C][C]0.9997[/C][C]0.4715[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=&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	0.9592	0.9686	0.9997	0.4482
Q1 excluded	0.9594	0.9689	0.9997	0.4572
Q2 excluded	0.9578	0.9677	0.9997	0.4476
Q3 excluded	0.9577	0.9678	0.9997	0.4484
Q4 excluded	0.9578	0.9677	0.9997	0.4476
Q5 excluded	0.9601	0.9692	1	0.46
Q6 excluded	0.9582	0.9681	0.9997	0.4503
Q7 excluded	0.9568	0.9664	0.9997	0.4374
Q8 excluded	0.9578	0.9677	0.9997	0.4476
Q9 excluded	0.9568	0.9664	0.9997	0.4374
Q10 excluded	0.9568	0.9664	0.9997	0.4374
Q11 excluded	0.9568	0.9664	0.9997	0.4374
Q12 excluded	0.9605	0.9697	0.9997	0.4641
Q13 excluded	0.9582	0.9681	0.9997	0.4503
Q14 excluded	0.9568	0.9664	0.9997	0.4374
Q15 excluded	0.9584	0.9682	0.9997	0.4515
Q16 excluded	0.9594	0.9689	0.9997	0.457
Q17 excluded	0.9568	0.9664	0.9997	0.4374
Q18 excluded	0.9568	0.9664	0.9997	0.4374
Q19 excluded	0.9568	0.9664	0.9997	0.4374
Q20 excluded	0.9568	0.9664	0.9997	0.4374
Q21 excluded	0.9571	0.9673	0.9997	0.444
Q22 excluded	0.9571	0.9673	0.9997	0.444
Q23 excluded	0.9571	0.9673	0.9997	0.444
Q24 excluded	0.9607	0.97	0.9997	0.4667
Q25 excluded	0.9568	0.9664	0.9997	0.4374
Q26 excluded	0.9598	0.9691	0.9997	0.4588
Q27 excluded	0.9579	0.9679	0.9997	0.4487
Q28 excluded	0.9578	0.9677	0.9997	0.4476
Q29 excluded	0.9568	0.9664	0.9997	0.4374
Q30 excluded	0.9568	0.9664	0.9997	0.4374
Q31 excluded	0.9604	0.9694	0.9997	0.4612
Q32 excluded	0.9609	0.9697	0.9997	0.4641
Q33 excluded	0.9615	0.9701	0.9997	0.4672
Q34 excluded	0.9571	0.9673	0.9997	0.444
Q35 excluded	0.9577	0.9678	0.9997	0.4484
Q36 excluded	0.9577	0.9678	0.9997	0.4484
Q37 excluded	0.9571	0.9673	0.9997	0.444
Q38 excluded	0.9617	0.9706	0.9997	0.4715

Parameters (Session):

par1 = TRUE ;

Parameters (R input):

par1 = TRUE ;

R code (references can be found in the software module):

par1 <- 'TRUE'
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')

Free Statistics

Description of Statistical Computation

Tree of Dependent Computations

Dataset

Tables (Output of Computation)

Figures (Output of Computation)

Input Parameters & R Code