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Author

*Unverified author*

R Software Module

rwasp_cronbach.wasp

Title produced by software

Cronbach Alpha

Date of computation

Sat, 12 Aug 2023 07:35:40 +0200

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/2023/Aug/12/t1691818585exgyv3ef2nzi07m.htm/, Retrieved Wed, 26 Aug 2026 04:51:17 +0000

Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=319932, Retrieved Wed, 26 Aug 2026 04:51:17 +0000

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No (this computation is public)

User-defined keywords

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Estimated Impact

322

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

-       [Cronbach Alpha] [ZZ] [2023-08-12 05:35:40] [d41d8cd98f00b204e9800998ecf8427e] [Current]

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Boxplots

5	5	5	5	5	5	4	5	5	4	4	3	3	4	3	2	4	4	3	4	5	4	5	5
4	5	4	4	4	4	4	4	4	4	4	4	4	4	4	3	4	4	5	5	5	4	4	4
2	4	2	3	3	4	3	5	2	3	4	5	5	2	2	4	5	4	4	4	3	2	2	2
3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3
4	4	4	4	5	4	5	5	4	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5
4	4	4	5	4	4	4	5	4	4	4	4	4	4	4	5	5	4	4	4	5	4	4	4
4	4	4	4	3	3	4	4	4	4	4	5	5	3	5	5	5	5	4	3	3	3	4	4
4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4
5	5	4	4	5	5	4	5	4	4	4	4	3	4	4	4	4	4	5	5	5	4	4	4
5	4	4	5	3	5	4	5	4	3	5	4	4	4	5	5	5	5	3	3	4	5	5	5
5	5	4	4	4	4	4	4	4	4	4	5	4	3	5	5	5	5	4	4	2	4	5	5
5	5	5	5	5	4	4	4	3	4	4	4	4	3	5	5	5	4	4	4	4	4	4	4
5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5
5	4	4	4	4	5	4	5	5	5	5	4	3	4	4	5	4	4	4	5	5	4	4	5
5	4	4	4	5	4	4	4	4	4	4	4	4	4	4	4	4	4	5	4	5	5	4	4
5	5	5	5	5	5	5	5	5	4	4	4	4	4	4	4	4	4	4	4	4	3	3	3
5	5	5	5	4	4	4	5	4	3	4	5	4	4	4	5	4	4	4	4	4	5	5	5
5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5
4	5	4	4	4	4	4	5	4	3	4	4	4	3	4	4	4	4	4	4	4	4	4	4
5	4	4	5	5	5	5	5	4	4	4	4	4	5	5	4	4	5	4	5	5	5	5	5
5	5	4	5	4	5	4	4	5	5	5	5	5	5	5	4	4	5	5	4	5	4	5	5
5	5	4	5	4	5	5	5	3	4	5	4	4	4	5	4	5	4	5	4	4	4	5	3
5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5
4	4	5	5	4	5	5	5	5	5	5	5	5	5	4	5	5	5	5	5	5	4	5	5
5	4	5	4	4	5	5	5	4	4	5	4	5	4	5	5	5	4	4	4	5	4	5	5
5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5
4	3	5	5	4	4	4	5	5	3	4	4	4	3	3	3	4	5	4	4	4	4	4	4
4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	3	3	4	3	3	3
4	3	3	4	3	3	3	3	3	3	4	3	3	3	3	3	3	3	3	3	3	3	3	3
4	4	5	4	4	5	4	5	5	4	4	5	4	3	4	4	4	3	3	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=319932&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=319932&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=319932&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 items	0.9545	0.9553	0.9968	0.4708
Q1 excluded	0.9527	0.9536	0.996	0.4721
Q2 excluded	0.9538	0.9547	0.9967	0.4781
Q3 excluded	0.9525	0.9534	0.996	0.4708
Q4 excluded	0.9528	0.9536	0.9965	0.4717
Q5 excluded	0.9528	0.9536	0.9957	0.4721
Q6 excluded	0.9523	0.953	0.9966	0.4687
Q7 excluded	0.9508	0.9513	0.9955	0.4593
Q8 excluded	0.9535	0.9543	0.9953	0.4758
Q9 excluded	0.9532	0.9539	0.9957	0.4739
Q10 excluded	0.9517	0.9526	0.9952	0.4661
Q11 excluded	0.9521	0.9525	0.9963	0.4657
Q12 excluded	0.9539	0.9548	0.996	0.4786
Q13 excluded	0.9542	0.955	0.9958	0.4797
Q14 excluded	0.951	0.9521	0.9955	0.4634
Q15 excluded	0.9521	0.9529	0.9957	0.4682
Q16 excluded	0.9543	0.9548	0.9956	0.4785
Q17 excluded	0.9536	0.9544	0.9963	0.4764
Q18 excluded	0.9525	0.9533	0.9959	0.47
Q19 excluded	0.953	0.9538	0.9953	0.4728
Q20 excluded	0.9524	0.9533	0.9956	0.4699
Q21 excluded	0.9529	0.9537	0.9953	0.4723
Q22 excluded	0.9517	0.9527	0.9959	0.4667
Q23 excluded	0.951	0.9521	0.9947	0.4633
Q24 excluded	0.9516	0.9526	0.9947	0.4663

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All items & 0.9545 & 0.9553 & 0.9968 & 0.4708 \tabularnewline
Q1 excluded & 0.9527 & 0.9536 & 0.996 & 0.4721 \tabularnewline
Q2 excluded & 0.9538 & 0.9547 & 0.9967 & 0.4781 \tabularnewline
Q3 excluded & 0.9525 & 0.9534 & 0.996 & 0.4708 \tabularnewline
Q4 excluded & 0.9528 & 0.9536 & 0.9965 & 0.4717 \tabularnewline
Q5 excluded & 0.9528 & 0.9536 & 0.9957 & 0.4721 \tabularnewline
Q6 excluded & 0.9523 & 0.953 & 0.9966 & 0.4687 \tabularnewline
Q7 excluded & 0.9508 & 0.9513 & 0.9955 & 0.4593 \tabularnewline
Q8 excluded & 0.9535 & 0.9543 & 0.9953 & 0.4758 \tabularnewline
Q9 excluded & 0.9532 & 0.9539 & 0.9957 & 0.4739 \tabularnewline
Q10 excluded & 0.9517 & 0.9526 & 0.9952 & 0.4661 \tabularnewline
Q11 excluded & 0.9521 & 0.9525 & 0.9963 & 0.4657 \tabularnewline
Q12 excluded & 0.9539 & 0.9548 & 0.996 & 0.4786 \tabularnewline
Q13 excluded & 0.9542 & 0.955 & 0.9958 & 0.4797 \tabularnewline
Q14 excluded & 0.951 & 0.9521 & 0.9955 & 0.4634 \tabularnewline
Q15 excluded & 0.9521 & 0.9529 & 0.9957 & 0.4682 \tabularnewline
Q16 excluded & 0.9543 & 0.9548 & 0.9956 & 0.4785 \tabularnewline
Q17 excluded & 0.9536 & 0.9544 & 0.9963 & 0.4764 \tabularnewline
Q18 excluded & 0.9525 & 0.9533 & 0.9959 & 0.47 \tabularnewline
Q19 excluded & 0.953 & 0.9538 & 0.9953 & 0.4728 \tabularnewline
Q20 excluded & 0.9524 & 0.9533 & 0.9956 & 0.4699 \tabularnewline
Q21 excluded & 0.9529 & 0.9537 & 0.9953 & 0.4723 \tabularnewline
Q22 excluded & 0.9517 & 0.9527 & 0.9959 & 0.4667 \tabularnewline
Q23 excluded & 0.951 & 0.9521 & 0.9947 & 0.4633 \tabularnewline
Q24 excluded & 0.9516 & 0.9526 & 0.9947 & 0.4663 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=319932&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 items[/C][C]0.9545[/C][C]0.9553[/C][C]0.9968[/C][C]0.4708[/C][/ROW]
[ROW][C]Q1 excluded[/C][C]0.9527[/C][C]0.9536[/C][C]0.996[/C][C]0.4721[/C][/ROW]
[ROW][C]Q2 excluded[/C][C]0.9538[/C][C]0.9547[/C][C]0.9967[/C][C]0.4781[/C][/ROW]
[ROW][C]Q3 excluded[/C][C]0.9525[/C][C]0.9534[/C][C]0.996[/C][C]0.4708[/C][/ROW]
[ROW][C]Q4 excluded[/C][C]0.9528[/C][C]0.9536[/C][C]0.9965[/C][C]0.4717[/C][/ROW]
[ROW][C]Q5 excluded[/C][C]0.9528[/C][C]0.9536[/C][C]0.9957[/C][C]0.4721[/C][/ROW]
[ROW][C]Q6 excluded[/C][C]0.9523[/C][C]0.953[/C][C]0.9966[/C][C]0.4687[/C][/ROW]
[ROW][C]Q7 excluded[/C][C]0.9508[/C][C]0.9513[/C][C]0.9955[/C][C]0.4593[/C][/ROW]
[ROW][C]Q8 excluded[/C][C]0.9535[/C][C]0.9543[/C][C]0.9953[/C][C]0.4758[/C][/ROW]
[ROW][C]Q9 excluded[/C][C]0.9532[/C][C]0.9539[/C][C]0.9957[/C][C]0.4739[/C][/ROW]
[ROW][C]Q10 excluded[/C][C]0.9517[/C][C]0.9526[/C][C]0.9952[/C][C]0.4661[/C][/ROW]
[ROW][C]Q11 excluded[/C][C]0.9521[/C][C]0.9525[/C][C]0.9963[/C][C]0.4657[/C][/ROW]
[ROW][C]Q12 excluded[/C][C]0.9539[/C][C]0.9548[/C][C]0.996[/C][C]0.4786[/C][/ROW]
[ROW][C]Q13 excluded[/C][C]0.9542[/C][C]0.955[/C][C]0.9958[/C][C]0.4797[/C][/ROW]
[ROW][C]Q14 excluded[/C][C]0.951[/C][C]0.9521[/C][C]0.9955[/C][C]0.4634[/C][/ROW]
[ROW][C]Q15 excluded[/C][C]0.9521[/C][C]0.9529[/C][C]0.9957[/C][C]0.4682[/C][/ROW]
[ROW][C]Q16 excluded[/C][C]0.9543[/C][C]0.9548[/C][C]0.9956[/C][C]0.4785[/C][/ROW]
[ROW][C]Q17 excluded[/C][C]0.9536[/C][C]0.9544[/C][C]0.9963[/C][C]0.4764[/C][/ROW]
[ROW][C]Q18 excluded[/C][C]0.9525[/C][C]0.9533[/C][C]0.9959[/C][C]0.47[/C][/ROW]
[ROW][C]Q19 excluded[/C][C]0.953[/C][C]0.9538[/C][C]0.9953[/C][C]0.4728[/C][/ROW]
[ROW][C]Q20 excluded[/C][C]0.9524[/C][C]0.9533[/C][C]0.9956[/C][C]0.4699[/C][/ROW]
[ROW][C]Q21 excluded[/C][C]0.9529[/C][C]0.9537[/C][C]0.9953[/C][C]0.4723[/C][/ROW]
[ROW][C]Q22 excluded[/C][C]0.9517[/C][C]0.9527[/C][C]0.9959[/C][C]0.4667[/C][/ROW]
[ROW][C]Q23 excluded[/C][C]0.951[/C][C]0.9521[/C][C]0.9947[/C][C]0.4633[/C][/ROW]
[ROW][C]Q24 excluded[/C][C]0.9516[/C][C]0.9526[/C][C]0.9947[/C][C]0.4663[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=319932&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=319932&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 items	0.9545	0.9553	0.9968	0.4708
Q1 excluded	0.9527	0.9536	0.996	0.4721
Q2 excluded	0.9538	0.9547	0.9967	0.4781
Q3 excluded	0.9525	0.9534	0.996	0.4708
Q4 excluded	0.9528	0.9536	0.9965	0.4717
Q5 excluded	0.9528	0.9536	0.9957	0.4721
Q6 excluded	0.9523	0.953	0.9966	0.4687
Q7 excluded	0.9508	0.9513	0.9955	0.4593
Q8 excluded	0.9535	0.9543	0.9953	0.4758
Q9 excluded	0.9532	0.9539	0.9957	0.4739
Q10 excluded	0.9517	0.9526	0.9952	0.4661
Q11 excluded	0.9521	0.9525	0.9963	0.4657
Q12 excluded	0.9539	0.9548	0.996	0.4786
Q13 excluded	0.9542	0.955	0.9958	0.4797
Q14 excluded	0.951	0.9521	0.9955	0.4634
Q15 excluded	0.9521	0.9529	0.9957	0.4682
Q16 excluded	0.9543	0.9548	0.9956	0.4785
Q17 excluded	0.9536	0.9544	0.9963	0.4764
Q18 excluded	0.9525	0.9533	0.9959	0.47
Q19 excluded	0.953	0.9538	0.9953	0.4728
Q20 excluded	0.9524	0.9533	0.9956	0.4699
Q21 excluded	0.9529	0.9537	0.9953	0.4723
Q22 excluded	0.9517	0.9527	0.9959	0.4667
Q23 excluded	0.951	0.9521	0.9947	0.4633
Q24 excluded	0.9516	0.9526	0.9947	0.4663

Parameters (Session):

par1 = TRUE ;

Parameters (R input):

par1 = TRUE ;

R code (references can be found in the software module):

par1 &lt;- 'TRUE'
library(psych)
par1b &lt;- T
if(par1=='FALSE') par1b &lt;- F
z &lt;- t(y)
(r &lt;- alpha(z,check.keys=par1b))
load(file='createtable')
a&lt;-table.start()
a&lt;-table.row.start(a)
a&lt;-table.element(a,'Cronbach Alpha and Related Statistics',5,TRUE)
a&lt;-table.row.end(a)
a&lt;-table.row.start(a)
a&lt;-table.element(a,'Items',1,TRUE)
a&lt;-table.element(a,'Cronbach Alpha',1,TRUE)
a&lt;-table.element(a,'Std. Alpha',1,TRUE)
a&lt;-table.element(a,'G6(smc)',1,TRUE)
a&lt;-table.element(a,'Average R',1,TRUE)
a&lt;-table.row.end(a)
a&lt;-table.row.start(a)
a&lt;-table.element(a,'All items',header=TRUE)
a&lt;-table.element(a,round(r$total['raw_alpha'],4))
a&lt;-table.element(a,round(r$total['std.alpha'],4))
a&lt;-table.element(a,round(r$total['G6(smc)'],4))
a&lt;-table.element(a,round(r$total['average_r'],4))
a&lt;-table.row.end(a)
n = length(z[1,])
for (i in 1:n) {
a&lt;-table.row.start(a)
a&lt;-table.element(a,paste(colnames(z)[i],' excluded',sep=''),header=TRUE)
a&lt;-table.element(a,round(r$alpha.drop[i,'raw_alpha'],4))
a&lt;-table.element(a,round(r$alpha.drop[i,'std.alpha'],4))
a&lt;-table.element(a,round(r$alpha.drop[i,'G6(smc)'],4))
a&lt;-table.element(a,round(r$alpha.drop[i,'average_r'],4))
a&lt;-table.row.end(a)
}
a&lt;-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