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Author

*Unverified author*

R Software Module

rwasp_cronbach.wasp

Title produced by software

Cronbach Alpha

Date of computation

Wed, 29 Jan 2020 20:16:18 +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/Jan/29/t15803255241ipdjbe2geg62v3.htm/, Retrieved Sat, 20 Apr 2024 00:14:54 +0000

Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=319063, Retrieved Sat, 20 Apr 2024 00:14:54 +0000

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No (this computation is public)

User-defined keywords

Estimated Impact

184

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

-       [Cronbach Alpha] [] [2020-01-29 19:16:18] [d41d8cd98f00b204e9800998ecf8427e] [Current]

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2	2	2	2	0	2	2	2	6	4	4	3	4	5	3	6	4	5	3	6	2	3	4	2
2	2	2	2	2	2	2	2	6	4	4	5	4	5	3	3	2	5	3	6	2	3	2	2
0	2	0	0	2	0	0	2	4	0	2	0	0	0	0	3	4	5	4	4	2	5	2	2
2	0	2	2	0	2	2	0	4	4	6	3	4	5	3	3	2	4	3	6	2	3	4	2
2	2	2	2	2	2	2	2	6	4	6	5	8	0	3	6	6	6	4	6	2	3	4	4
2	2	2	2	2	0	2	0	6	4	4	5	4	5	3	6	4	6	4	8	2	5	4	4
0	0	2	2	0	0	2	2	2	0	4	0	4	0	0	6	4	5	4	4	2	3	2	2
2	2	2	2	2	2	2	2	6	4	4	5	4	5	3	3	2	4	3	8	2	3	2	2
2	0	2	0	2	2	0	0	2	0	2	5	0	0	0	3	2	4	3	2	1	1	0	2
2	2	0	2	2	0	2	2	4	4	4	5	4	5	3	3	6	6	4	8	2	3	4	4
2	2	2	2	2	2	2	2	6	4	4	5	4	5	3	3	6	6	2	8	0	3	4	4
2	2	2	2	2	2	2	2	4	4	4	5	4	5	3	6	6	6	6	6	2	3	2	4
2	2	2	2	2	2	2	2	6	4	6	5	4	5	3	3	4	6	3	8	2	3	4	4
2	2	2	2	2	2	2	2	6	4	4	3	8	5	3	6	6	5	3	8	2	3	4	4
2	2	2	2	2	2	2	2	6	4	4	5	8	5	3	6	6	6	4	8	2	5	4	4
0	2	0	0	0	2	0	2	4	0	0	3	0	0	3	0	4	3	2	2	2	1	2	0
0	0	0	0	2	0	2	0	2	0	2	3	0	0	3	0	2	2	1	0	2	0	0	0
2	2	2	2	2	2	2	2	6	4	4	3	4	5	3	6	2	2	2	4	2	1	2	2
2	2	2	0	2	2	2	0	4	4	6	3	4	5	0	3	4	4	2	4	1	2	2	2
2	2	2	2	2	2	0	2	6	4	6	5	4	5	0	0	2	3	2	2	2	2	2	2
2	2	2	2	0	2	2	2	6	0	4	3	4	5	3	6	4	4	4	4	2	2	2	2
2	2	2	2	2	2	2	2	6	4	6	5	4	0	3	3	4	3	4	6	2	3	2	2
2	2	0	2	2	0	2	2	4	4	4	3	0	5	3	3	4	6	4	6	0	0	0	0
2	2	2	2	2	0	2	2	4	4	4	3	0	5	0	0	2	3	3	4	0	0	0	0
0	2	0	0	2	0	0	2	2	0	0	0	0	5	0	0	2	2	2	0	1	0	0	0
2	2	2	2	2	2	2	2	6	4	4	3	4	5	3	3	4	3	3	4	2	3	2	2
0	0	0	2	0	2	0	0	0	0	2	3	0	5	3	0	2	1	0	0	2	1	0	0
2	2	2	2	2	2	2	2	6	4	6	5	8	5	0	6	4	5	4	6	2	3	2	4
2	2	2	2	2	2	0	2	6	4	6	5	4	5	3	3	4	3	2	4	2	3	2	2
2	2	2	0	2	2	2	0	4	4	4	3	0	0	3	3	2	3	2	2	1	2	2	0
2	2	0	2	2	0	2	2	4	4	2	3	4	0	3	3	4	4	2	4	1	2	2	2
0	2	2	0	2	2	2	0	4	4	4	5	4	5	3	3	4	4	2	6	2	3	2	2
2	2	2	2	2	0	2	2	6	4	6	5	8	5	3	6	6	5	3	8	2	5	4	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

\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
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=319063&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] [/TABLE] Source: https://freestatistics.org/blog/index.php?pk=319063&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=319063&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

Cronbach Alpha and Related Statistics
Items	Cronbach Alpha	Std. Alpha	G6(smc)	Average R
All itmes	0.9272	0.9287	0.9866	0.3519
Q1 excluded	0.9243	0.9242	0.9848	0.3464
Q2 excluded	0.9262	0.9273	0.9849	0.3566
Q3 excluded	0.9249	0.9257	0.9842	0.3514
Q4 excluded	0.9247	0.9254	0.9837	0.3504
Q5 excluded	0.9283	0.9315	0.9837	0.3715
Q6 excluded	0.9282	0.9309	0.9854	0.3694
Q7 excluded	0.9253	0.9264	0.985	0.3538
Q8 excluded	0.9274	0.9296	0.9855	0.3646
Q9 excluded	0.9202	0.9218	0.9846	0.3387
Q10 excluded	0.9216	0.9233	0.9842	0.3435
Q11 excluded	0.9225	0.9242	0.9857	0.3465
Q12 excluded	0.9243	0.9257	0.9834	0.3514
Q13 excluded	0.9198	0.9216	0.9843	0.3383
Q14 excluded	0.9309	0.9292	0.9864	0.3635
Q15 excluded	0.9277	0.9296	0.9835	0.3647
Q16 excluded	0.9226	0.924	0.9836	0.3458
Q17 excluded	0.9235	0.9254	0.9844	0.3504
Q18 excluded	0.9227	0.9246	0.9848	0.3478
Q19 excluded	0.9252	0.9268	0.985	0.3549
Q20 excluded	0.9182	0.921	0.9843	0.3363
Q21 excluded	0.9281	0.9315	0.985	0.3717
Q22 excluded	0.9226	0.9245	0.9852	0.3473
Q23 excluded	0.9211	0.9229	0.9815	0.3422
Q24 excluded	0.9197	0.9216	0.9814	0.3383

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.9272 & 0.9287 & 0.9866 & 0.3519 \tabularnewline
Q1 excluded & 0.9243 & 0.9242 & 0.9848 & 0.3464 \tabularnewline
Q2 excluded & 0.9262 & 0.9273 & 0.9849 & 0.3566 \tabularnewline
Q3 excluded & 0.9249 & 0.9257 & 0.9842 & 0.3514 \tabularnewline
Q4 excluded & 0.9247 & 0.9254 & 0.9837 & 0.3504 \tabularnewline
Q5 excluded & 0.9283 & 0.9315 & 0.9837 & 0.3715 \tabularnewline
Q6 excluded & 0.9282 & 0.9309 & 0.9854 & 0.3694 \tabularnewline
Q7 excluded & 0.9253 & 0.9264 & 0.985 & 0.3538 \tabularnewline
Q8 excluded & 0.9274 & 0.9296 & 0.9855 & 0.3646 \tabularnewline
Q9 excluded & 0.9202 & 0.9218 & 0.9846 & 0.3387 \tabularnewline
Q10 excluded & 0.9216 & 0.9233 & 0.9842 & 0.3435 \tabularnewline
Q11 excluded & 0.9225 & 0.9242 & 0.9857 & 0.3465 \tabularnewline
Q12 excluded & 0.9243 & 0.9257 & 0.9834 & 0.3514 \tabularnewline
Q13 excluded & 0.9198 & 0.9216 & 0.9843 & 0.3383 \tabularnewline
Q14 excluded & 0.9309 & 0.9292 & 0.9864 & 0.3635 \tabularnewline
Q15 excluded & 0.9277 & 0.9296 & 0.9835 & 0.3647 \tabularnewline
Q16 excluded & 0.9226 & 0.924 & 0.9836 & 0.3458 \tabularnewline
Q17 excluded & 0.9235 & 0.9254 & 0.9844 & 0.3504 \tabularnewline
Q18 excluded & 0.9227 & 0.9246 & 0.9848 & 0.3478 \tabularnewline
Q19 excluded & 0.9252 & 0.9268 & 0.985 & 0.3549 \tabularnewline
Q20 excluded & 0.9182 & 0.921 & 0.9843 & 0.3363 \tabularnewline
Q21 excluded & 0.9281 & 0.9315 & 0.985 & 0.3717 \tabularnewline
Q22 excluded & 0.9226 & 0.9245 & 0.9852 & 0.3473 \tabularnewline
Q23 excluded & 0.9211 & 0.9229 & 0.9815 & 0.3422 \tabularnewline
Q24 excluded & 0.9197 & 0.9216 & 0.9814 & 0.3383 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=319063&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]0.9272[/C][C]0.9287[/C][C]0.9866[/C][C]0.3519[/C][/ROW]
[ROW][C]Q1 excluded[/C][C]0.9243[/C][C]0.9242[/C][C]0.9848[/C][C]0.3464[/C][/ROW]
[ROW][C]Q2 excluded[/C][C]0.9262[/C][C]0.9273[/C][C]0.9849[/C][C]0.3566[/C][/ROW]
[ROW][C]Q3 excluded[/C][C]0.9249[/C][C]0.9257[/C][C]0.9842[/C][C]0.3514[/C][/ROW]
[ROW][C]Q4 excluded[/C][C]0.9247[/C][C]0.9254[/C][C]0.9837[/C][C]0.3504[/C][/ROW]
[ROW][C]Q5 excluded[/C][C]0.9283[/C][C]0.9315[/C][C]0.9837[/C][C]0.3715[/C][/ROW]
[ROW][C]Q6 excluded[/C][C]0.9282[/C][C]0.9309[/C][C]0.9854[/C][C]0.3694[/C][/ROW]
[ROW][C]Q7 excluded[/C][C]0.9253[/C][C]0.9264[/C][C]0.985[/C][C]0.3538[/C][/ROW]
[ROW][C]Q8 excluded[/C][C]0.9274[/C][C]0.9296[/C][C]0.9855[/C][C]0.3646[/C][/ROW]
[ROW][C]Q9 excluded[/C][C]0.9202[/C][C]0.9218[/C][C]0.9846[/C][C]0.3387[/C][/ROW]
[ROW][C]Q10 excluded[/C][C]0.9216[/C][C]0.9233[/C][C]0.9842[/C][C]0.3435[/C][/ROW]
[ROW][C]Q11 excluded[/C][C]0.9225[/C][C]0.9242[/C][C]0.9857[/C][C]0.3465[/C][/ROW]
[ROW][C]Q12 excluded[/C][C]0.9243[/C][C]0.9257[/C][C]0.9834[/C][C]0.3514[/C][/ROW]
[ROW][C]Q13 excluded[/C][C]0.9198[/C][C]0.9216[/C][C]0.9843[/C][C]0.3383[/C][/ROW]
[ROW][C]Q14 excluded[/C][C]0.9309[/C][C]0.9292[/C][C]0.9864[/C][C]0.3635[/C][/ROW]
[ROW][C]Q15 excluded[/C][C]0.9277[/C][C]0.9296[/C][C]0.9835[/C][C]0.3647[/C][/ROW]
[ROW][C]Q16 excluded[/C][C]0.9226[/C][C]0.924[/C][C]0.9836[/C][C]0.3458[/C][/ROW]
[ROW][C]Q17 excluded[/C][C]0.9235[/C][C]0.9254[/C][C]0.9844[/C][C]0.3504[/C][/ROW]
[ROW][C]Q18 excluded[/C][C]0.9227[/C][C]0.9246[/C][C]0.9848[/C][C]0.3478[/C][/ROW]
[ROW][C]Q19 excluded[/C][C]0.9252[/C][C]0.9268[/C][C]0.985[/C][C]0.3549[/C][/ROW]
[ROW][C]Q20 excluded[/C][C]0.9182[/C][C]0.921[/C][C]0.9843[/C][C]0.3363[/C][/ROW]
[ROW][C]Q21 excluded[/C][C]0.9281[/C][C]0.9315[/C][C]0.985[/C][C]0.3717[/C][/ROW]
[ROW][C]Q22 excluded[/C][C]0.9226[/C][C]0.9245[/C][C]0.9852[/C][C]0.3473[/C][/ROW]
[ROW][C]Q23 excluded[/C][C]0.9211[/C][C]0.9229[/C][C]0.9815[/C][C]0.3422[/C][/ROW]
[ROW][C]Q24 excluded[/C][C]0.9197[/C][C]0.9216[/C][C]0.9814[/C][C]0.3383[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=319063&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=319063&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	0.9272	0.9287	0.9866	0.3519
Q1 excluded	0.9243	0.9242	0.9848	0.3464
Q2 excluded	0.9262	0.9273	0.9849	0.3566
Q3 excluded	0.9249	0.9257	0.9842	0.3514
Q4 excluded	0.9247	0.9254	0.9837	0.3504
Q5 excluded	0.9283	0.9315	0.9837	0.3715
Q6 excluded	0.9282	0.9309	0.9854	0.3694
Q7 excluded	0.9253	0.9264	0.985	0.3538
Q8 excluded	0.9274	0.9296	0.9855	0.3646
Q9 excluded	0.9202	0.9218	0.9846	0.3387
Q10 excluded	0.9216	0.9233	0.9842	0.3435
Q11 excluded	0.9225	0.9242	0.9857	0.3465
Q12 excluded	0.9243	0.9257	0.9834	0.3514
Q13 excluded	0.9198	0.9216	0.9843	0.3383
Q14 excluded	0.9309	0.9292	0.9864	0.3635
Q15 excluded	0.9277	0.9296	0.9835	0.3647
Q16 excluded	0.9226	0.924	0.9836	0.3458
Q17 excluded	0.9235	0.9254	0.9844	0.3504
Q18 excluded	0.9227	0.9246	0.9848	0.3478
Q19 excluded	0.9252	0.9268	0.985	0.3549
Q20 excluded	0.9182	0.921	0.9843	0.3363
Q21 excluded	0.9281	0.9315	0.985	0.3717
Q22 excluded	0.9226	0.9245	0.9852	0.3473
Q23 excluded	0.9211	0.9229	0.9815	0.3422
Q24 excluded	0.9197	0.9216	0.9814	0.3383

Parameters (Session):

par1 = TRUE ;

Parameters (R input):

par1 = TRUE ;

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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Dataset

Tables (Output of Computation)

Figures (Output of Computation)

Input Parameters & R Code