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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 14:02:02 +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/t1481720596swny5z9m02t1cb2.htm/, Retrieved Fri, 03 May 2024 21:37:05 +0000

Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=299390, Retrieved Fri, 03 May 2024 21:37:05 +0000

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Original text written by user:

IsPrivate?

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)

-       [Cronbach Alpha] [Paper Statistiek] [2016-12-14 13:02:02] [1e2703d0f11438bcd65480dae45a3781] [Current]

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Dataseries X:

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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
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	4	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
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	4	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	4	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
5	3	4	4	5	5
4	4	5	4	4	5
5	4	4	4	4	5
3	4	4	3	3	4
5	4	4	5	5	5
4	4	5	3	5	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
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	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=299390&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=299390&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=299390&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	0.3078	0.3178	0.3087	0.072
SK1 excluded	0.2425	0.249	0.2313	0.0622
SK2 excluded	0.1883	0.2011	0.1863	0.0479
SK3 excluded	0.3298	0.323	0.2989	0.0871
SK4 excluded	0.2699	0.2821	0.2705	0.0729
SK5 excluded	0.2804	0.2848	0.2687	0.0738
SK6 excluded	0.3044	0.3265	0.3016	0.0884

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.3078 & 0.3178 & 0.3087 & 0.072 \tabularnewline
SK1 excluded & 0.2425 & 0.249 & 0.2313 & 0.0622 \tabularnewline
SK2 excluded & 0.1883 & 0.2011 & 0.1863 & 0.0479 \tabularnewline
SK3 excluded & 0.3298 & 0.323 & 0.2989 & 0.0871 \tabularnewline
SK4 excluded & 0.2699 & 0.2821 & 0.2705 & 0.0729 \tabularnewline
SK5 excluded & 0.2804 & 0.2848 & 0.2687 & 0.0738 \tabularnewline
SK6
 excluded & 0.3044 & 0.3265 & 0.3016 & 0.0884 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=299390&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]0.3078[/C][C]0.3178[/C][C]0.3087[/C][C]0.072[/C][/ROW]
[ROW][C]SK1 excluded[/C][C]0.2425[/C][C]0.249[/C][C]0.2313[/C][C]0.0622[/C][/ROW]
[ROW][C]SK2 excluded[/C][C]0.1883[/C][C]0.2011[/C][C]0.1863[/C][C]0.0479[/C][/ROW]
[ROW][C]SK3 excluded[/C][C]0.3298[/C][C]0.323[/C][C]0.2989[/C][C]0.0871[/C][/ROW]
[ROW][C]SK4 excluded[/C][C]0.2699[/C][C]0.2821[/C][C]0.2705[/C][C]0.0729[/C][/ROW]
[ROW][C]SK5 excluded[/C][C]0.2804[/C][C]0.2848[/C][C]0.2687[/C][C]0.0738[/C][/ROW]
[ROW][C]SK6
 excluded[/C][C]0.3044[/C][C]0.3265[/C][C]0.3016[/C][C]0.0884[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=299390&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=299390&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	0.3078	0.3178	0.3087	0.072
SK1 excluded	0.2425	0.249	0.2313	0.0622
SK2 excluded	0.1883	0.2011	0.1863	0.0479
SK3 excluded	0.3298	0.323	0.2989	0.0871
SK4 excluded	0.2699	0.2821	0.2705	0.0729
SK5 excluded	0.2804	0.2848	0.2687	0.0738
SK6 excluded	0.3044	0.3265	0.3016	0.0884

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')

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Tree of Dependent Computations

Dataset

Tables (Output of Computation)

Figures (Output of Computation)

Input Parameters & R Code