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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

Thu, 07 Dec 2017 11:31:33 +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/2017/Dec/07/t1512643855474k9mm7k1tnofz.htm/, Retrieved Wed, 15 May 2024 01:45:01 +0000

Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=308680, Retrieved Wed, 15 May 2024 01:45:01 +0000

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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 Alpha: s...] [2017-12-07 10:31:33] [dd1b1eac6490c5f5f771b5814b2d0001] [Current]

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Boxplots

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

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=308680&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=308680&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=308680&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	0.7676	0.7713	0.805	0.2725
Q1 excluded	0.7341	0.74	0.7492	0.2624
Q2 excluded	0.737	0.7432	0.7451	0.2656
Q3 excluded	0.7484	0.7535	0.7915	0.2765
Q4 excluded	0.7349	0.738	0.7811	0.2605
Q5 excluded	0.7654	0.7659	0.7997	0.2903
Q6 excluded	0.7399	0.7447	0.7853	0.2672
Q7 excluded	0.7432	0.7449	0.7768	0.2674
Q8 excluded	0.7501	0.754	0.7738	0.277
Q9 excluded	0.7585	0.7621	0.7903	0.286

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.7676 & 0.7713 & 0.805 & 0.2725 \tabularnewline
Q1 excluded & 0.7341 & 0.74 & 0.7492 & 0.2624 \tabularnewline
Q2 excluded & 0.737 & 0.7432 & 0.7451 & 0.2656 \tabularnewline
Q3 excluded & 0.7484 & 0.7535 & 0.7915 & 0.2765 \tabularnewline
Q4 excluded & 0.7349 & 0.738 & 0.7811 & 0.2605 \tabularnewline
Q5 excluded & 0.7654 & 0.7659 & 0.7997 & 0.2903 \tabularnewline
Q6 excluded & 0.7399 & 0.7447 & 0.7853 & 0.2672 \tabularnewline
Q7 excluded & 0.7432 & 0.7449 & 0.7768 & 0.2674 \tabularnewline
Q8 excluded & 0.7501 & 0.754 & 0.7738 & 0.277 \tabularnewline
Q9 excluded & 0.7585 & 0.7621 & 0.7903 & 0.286 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=308680&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]0.7676[/C][C]0.7713[/C][C]0.805[/C][C]0.2725[/C][/ROW]
[ROW][C]Q1 excluded[/C][C]0.7341[/C][C]0.74[/C][C]0.7492[/C][C]0.2624[/C][/ROW]
[ROW][C]Q2 excluded[/C][C]0.737[/C][C]0.7432[/C][C]0.7451[/C][C]0.2656[/C][/ROW]
[ROW][C]Q3 excluded[/C][C]0.7484[/C][C]0.7535[/C][C]0.7915[/C][C]0.2765[/C][/ROW]
[ROW][C]Q4 excluded[/C][C]0.7349[/C][C]0.738[/C][C]0.7811[/C][C]0.2605[/C][/ROW]
[ROW][C]Q5 excluded[/C][C]0.7654[/C][C]0.7659[/C][C]0.7997[/C][C]0.2903[/C][/ROW]
[ROW][C]Q6 excluded[/C][C]0.7399[/C][C]0.7447[/C][C]0.7853[/C][C]0.2672[/C][/ROW]
[ROW][C]Q7 excluded[/C][C]0.7432[/C][C]0.7449[/C][C]0.7768[/C][C]0.2674[/C][/ROW]
[ROW][C]Q8 excluded[/C][C]0.7501[/C][C]0.754[/C][C]0.7738[/C][C]0.277[/C][/ROW]
[ROW][C]Q9 excluded[/C][C]0.7585[/C][C]0.7621[/C][C]0.7903[/C][C]0.286[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=308680&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=308680&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	0.7676	0.7713	0.805	0.2725
Q1 excluded	0.7341	0.74	0.7492	0.2624
Q2 excluded	0.737	0.7432	0.7451	0.2656
Q3 excluded	0.7484	0.7535	0.7915	0.2765
Q4 excluded	0.7349	0.738	0.7811	0.2605
Q5 excluded	0.7654	0.7659	0.7997	0.2903
Q6 excluded	0.7399	0.7447	0.7853	0.2672
Q7 excluded	0.7432	0.7449	0.7768	0.2674
Q8 excluded	0.7501	0.754	0.7738	0.277
Q9 excluded	0.7585	0.7621	0.7903	0.286

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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