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Author

*The author of this computation has been verified*

R Software Module

rwasp_cronbach.wasp

Title produced by software

Cronbach Alpha

Date of computation

Tue, 04 Dec 2018 17:39:43 +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/2018/Dec/04/t1543941608icu7ytr13o3qaq0.htm/, Retrieved Wed, 08 May 2024 23:37:30 +0000

Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=315759, Retrieved Wed, 08 May 2024 23:37:30 +0000

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Original text written by user:

IsPrivate?

No (this computation is public)

User-defined keywords

cronbach alpha TAM/ISSM

Estimated Impact

100

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

-       [Cronbach Alpha] [TAM/ISSM] [2018-12-04 16:39:43] [1fa0b6d83deab05e8f8a52e2846ed0da] [Current]

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Histogram

Boxplots

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

Summary of computational transaction
Raw Input	view raw input (R code)
Raw Output	view raw output of R engine
Computing time	2 seconds
R Server	Big Analytics Cloud Computing Center
R Framework error message	Warning: there are blank lines in the 'Data X' field. Please, use NA for missing data - blank lines are simply deleted and are NOT treated as missing values.

\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 time2 seconds \tabularnewline
R ServerBig Analytics Cloud Computing Center \tabularnewline
R Framework error message & Warning: there are blank lines in the 'Data X' field.
Please, use NA for missing data - blank lines are simply
 deleted and are NOT treated as missing values. \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=315759&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]

2 seconds[/C][/ROW] [ROW]

R Server[/C]

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

R Framework error message[/C][C]

Warning: there are blank lines in the 'Data X' field.
Please, use NA for missing data - blank lines are simply
 deleted and are NOT treated as missing values.

[/C][/ROW] [/TABLE] Source: https://freestatistics.org/blog/index.php?pk=315759&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=315759&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	2 seconds
R Server	Big Analytics Cloud Computing Center
R Framework error message	Warning: there are blank lines in the 'Data X' field. Please, use NA for missing data - blank lines are simply deleted and are NOT treated as missing values.

Cronbach Alpha and Related Statistics
Items	Cronbach Alpha	Std. Alpha	G6(smc)	Average R
All itmes	0.3226	0.334	0.3252	0.0771
SK/EOU1 excluded	0.252	0.2598	0.242	0.0656
SK/EOU2 excluded	0.1979	0.2125	0.1969	0.0512
SK/EOU3 excluded	0.3494	0.3425	0.3168	0.0943
SK/EOU4 excluded	0.2702	0.2833	0.2742	0.0733
SK/EOU5 excluded	0.3096	0.3169	0.2989	0.0849
SK/EOU6 excluded	0.3169	0.3404	0.317	0.0936

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.3226 & 0.334 & 0.3252 & 0.0771 \tabularnewline
SK/EOU1 excluded & 0.252 & 0.2598 & 0.242 & 0.0656 \tabularnewline
SK/EOU2 excluded & 0.1979 & 0.2125 & 0.1969 & 0.0512 \tabularnewline
SK/EOU3 excluded & 0.3494 & 0.3425 & 0.3168 & 0.0943 \tabularnewline
SK/EOU4 excluded & 0.2702 & 0.2833 & 0.2742 & 0.0733 \tabularnewline
SK/EOU5 excluded & 0.3096 & 0.3169 & 0.2989 & 0.0849 \tabularnewline
SK/EOU6 excluded & 0.3169 & 0.3404 & 0.317 & 0.0936 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=315759&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]0.3226[/C][C]0.334[/C][C]0.3252[/C][C]0.0771[/C][/ROW]
[ROW][C]SK/EOU1 excluded[/C][C]0.252[/C][C]0.2598[/C][C]0.242[/C][C]0.0656[/C][/ROW]
[ROW][C]SK/EOU2 excluded[/C][C]0.1979[/C][C]0.2125[/C][C]0.1969[/C][C]0.0512[/C][/ROW]
[ROW][C]SK/EOU3 excluded[/C][C]0.3494[/C][C]0.3425[/C][C]0.3168[/C][C]0.0943[/C][/ROW]
[ROW][C]SK/EOU4 excluded[/C][C]0.2702[/C][C]0.2833[/C][C]0.2742[/C][C]0.0733[/C][/ROW]
[ROW][C]SK/EOU5 excluded[/C][C]0.3096[/C][C]0.3169[/C][C]0.2989[/C][C]0.0849[/C][/ROW]
[ROW][C]SK/EOU6 excluded[/C][C]0.3169[/C][C]0.3404[/C][C]0.317[/C][C]0.0936[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=315759&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=315759&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	0.3226	0.334	0.3252	0.0771
SK/EOU1 excluded	0.252	0.2598	0.242	0.0656
SK/EOU2 excluded	0.1979	0.2125	0.1969	0.0512
SK/EOU3 excluded	0.3494	0.3425	0.3168	0.0943
SK/EOU4 excluded	0.2702	0.2833	0.2742	0.0733
SK/EOU5 excluded	0.3096	0.3169	0.2989	0.0849
SK/EOU6 excluded	0.3169	0.3404	0.317	0.0936

Parameters (Session):

par1 = 12 ;

Parameters (R input):

par1 = 12 ;

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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Input Parameters & R Code