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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

Tue, 20 Dec 2016 11:28:16 +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/20/t1482229725mpbyarfperzg4un.htm/, Retrieved Sat, 27 Apr 2024 23:01:47 +0000

Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=301581, Retrieved Sat, 27 Apr 2024 23:01:47 +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] [Cronbach Alpha 1] [2016-12-20 10:28:16] [dc40abf8f837a2863894b5e0c13dd016] [Current]

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Dataseries X:

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Histogram

Boxplots

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

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=301581&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=301581&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=301581&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	0.5272	0.549	0.5394	0.2333
A excluded	0.465	0.4751	0.3854	0.2318
B excluded	0.4327	0.4285	0.428	0.2
C excluded	0.2849	0.3637	0.3221	0.16
D excluded	0.5914	0.6086	0.5334	0.3414

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.5272 & 0.549 & 0.5394 & 0.2333 \tabularnewline
A excluded & 0.465 & 0.4751 & 0.3854 & 0.2318 \tabularnewline
B excluded & 0.4327 & 0.4285 & 0.428 & 0.2 \tabularnewline
C excluded & 0.2849 & 0.3637 & 0.3221 & 0.16 \tabularnewline
D excluded & 0.5914 & 0.6086 & 0.5334 & 0.3414 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=301581&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]0.5272[/C][C]0.549[/C][C]0.5394[/C][C]0.2333[/C][/ROW]
[ROW][C]A excluded[/C][C]0.465[/C][C]0.4751[/C][C]0.3854[/C][C]0.2318[/C][/ROW]
[ROW][C]B excluded[/C][C]0.4327[/C][C]0.4285[/C][C]0.428[/C][C]0.2[/C][/ROW]
[ROW][C]C excluded[/C][C]0.2849[/C][C]0.3637[/C][C]0.3221[/C][C]0.16[/C][/ROW]
[ROW][C]D excluded[/C][C]0.5914[/C][C]0.6086[/C][C]0.5334[/C][C]0.3414[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=301581&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=301581&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	0.5272	0.549	0.5394	0.2333
A excluded	0.465	0.4751	0.3854	0.2318
B excluded	0.4327	0.4285	0.428	0.2
C excluded	0.2849	0.3637	0.3221	0.16
D excluded	0.5914	0.6086	0.5334	0.3414

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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Input Parameters & R Code