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*Unverified author*

R Software Module

rwasp_cronbach.wasp

Title produced by software

Cronbach Alpha

Date of computation

Mon, 27 Oct 2025 10:59:51 +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/2025/Oct/27/t1761559229jep3n7sc61nn7b2.htm/, Retrieved Thu, 30 Apr 2026 17:45:06 +0000

Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=320552, Retrieved Thu, 30 Apr 2026 17:45:06 +0000

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No (this computation is public)

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Estimated Impact

113

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

-       [Cronbach Alpha] [] [2025-10-27 09:59:51] [d41d8cd98f00b204e9800998ecf8427e] [Current]

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5	4	2	3	3	5	4	5	5	5	4	5	3	2	5	5	4	2	5	5	4	3	3	5	5	5	4	4	4
4	4	4	3	5	5	4	5	5	4	4	5	5	4	4	4	4	5	5	5	3	3	3	4	4	4	4	4	4
4	3	3	4	3	5	5	4	3	3	4	5	5	5	3	3	4	3	3	3	3	3	3	4	3	3	4	4	4
3	3	3	4	3	5	4	4	4	4	4	4	3	4	3	4	4	4	4	5	4	3	3	4	3	3	3	3	3
4	4	5	4	4	4	3	4	4	5	5	5	4	3	3	3	2	5	4	5	3	4	4	5	4	1	5	5	4
4	3	4	4	3	3	4	4	4	4	4	3	3	4	4	4	3	4	4	4	4	4	3	4	4	4	4	4	4
5	4	4	2	4	5	5	4	4	5	3	5	3	3	5	5	5	5	5	5	2	2	2	5	5	5	4	4	4
4	4	4	4	4	5	5	5	5	4	5	5	5	5	5	5	4	4	4	5	4	4	5	4	5	4	5	5	5
5	4	4	4	4	5	5	5	5	5	5	5	5	5	4	5	4	4	4	4	4	4	4	4	5	4	5	5	5
4	5	5	4	4	5	5	4	4	4	3	4	4	5	4	5	3	5	4	5	5	5	4	4	3	3	4	5	5
4	4	5	4	4	4	4	5	4	4	4	5	4	4	4	5	4	4	5	4	5	4	5	4	5	5	4	5	3
5	5	5	5	4	5	5	4	5	5	4	5	4	5	5	5	5	5	5	5	4	4	4	4	4	4	4	4	5
4	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	3	3	3
5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	4	5	5	5	5	5	5	5	5	5	5	5	5	5
4	4	5	4	4	5	3	4	4	4	4	4	5	4	5	5	5	3	3	4	4	5	5	2	3	3	4	5	5
4	3	4	3	3	5	4	5	5	4	3	5	4	4	3	3	3	5	5	5	3	3	4	5	5	4	4	4	5
3	4	3	4	3	5	3	4	3	3	3	4	3	4	3	4	3	4	3	3	3	3	3	4	3	3	3	3	3
4	4	3	5	3	5	4	4	3	4	5	5	4	5	5	5	5	5	5	5	5	5	5	2	1	2	3	4	4
3	4	4	5	3	4	4	3	3	3	4	4	4	4	3	2	2	3	3	3	4	4	4	3	4	3	3	2	3
5	5	5	5	5	5	5	5	5	5	5	5	5	5	4	5	5	5	5	5	4	4	4	5	5	5	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=320552&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=320552&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=320552&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	0.9132	0.9193	1	0.2819
V1 excluded	0.9069	0.9128	1	0.2722
V2 excluded	0.9086	0.9148	1	0.2771
V3 excluded	0.9104	0.917	1	0.283
V4 excluded	0.916	0.9221	1	0.2971
V5 excluded	0.907	0.9134	1	0.2736
V6 excluded	0.913	0.9195	1	0.2898
V7 excluded	0.9097	0.9161	1	0.2807
V8 excluded	0.9089	0.9147	1	0.2768
V9 excluded	0.9069	0.9134	1	0.2737
V10 excluded	0.9076	0.9138	1	0.2746
V11 excluded	0.9112	0.9175	1	0.2842
V12 excluded	0.9103	0.9162	1	0.2807
V13 excluded	0.9101	0.9164	1	0.2814
V14 excluded	0.9129	0.919	1	0.2883
V15 excluded	0.9086	0.9153	1	0.2785
V16 excluded	0.9096	0.9161	1	0.2807
V17 excluded	0.9097	0.916	1	0.2804
V18 excluded	0.9124	0.9184	1	0.2866
V19 excluded	0.9089	0.9154	1	0.2788
V20 excluded	0.9091	0.9155	1	0.2789
V21 excluded	0.913	0.9194	1	0.2895
V22 excluded	0.9129	0.9191	1	0.2886
V23 excluded	0.9115	0.9177	1	0.2849
V24 excluded	0.9155	0.921	1	0.2939
V25 excluded	0.9134	0.9185	1	0.287
V26 excluded	0.9125	0.918	1	0.2857
V27 excluded	0.9085	0.9146	1	0.2767
V28 excluded	0.9076	0.9142	1	0.2757
V29 excluded	0.9083	0.9147	1	0.2769

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All items & 0.9132 & 0.9193 & 1 & 0.2819 \tabularnewline
V1 excluded & 0.9069 & 0.9128 & 1 & 0.2722 \tabularnewline
V2 excluded & 0.9086 & 0.9148 & 1 & 0.2771 \tabularnewline
V3 excluded & 0.9104 & 0.917 & 1 & 0.283 \tabularnewline
V4 excluded & 0.916 & 0.9221 & 1 & 0.2971 \tabularnewline
V5 excluded & 0.907 & 0.9134 & 1 & 0.2736 \tabularnewline
V6 excluded & 0.913 & 0.9195 & 1 & 0.2898 \tabularnewline
V7 excluded & 0.9097 & 0.9161 & 1 & 0.2807 \tabularnewline
V8 excluded & 0.9089 & 0.9147 & 1 & 0.2768 \tabularnewline
V9 excluded & 0.9069 & 0.9134 & 1 & 0.2737 \tabularnewline
V10 excluded & 0.9076 & 0.9138 & 1 & 0.2746 \tabularnewline
V11 excluded & 0.9112 & 0.9175 & 1 & 0.2842 \tabularnewline
V12 excluded & 0.9103 & 0.9162 & 1 & 0.2807 \tabularnewline
V13 excluded & 0.9101 & 0.9164 & 1 & 0.2814 \tabularnewline
V14 excluded & 0.9129 & 0.919 & 1 & 0.2883 \tabularnewline
V15 excluded & 0.9086 & 0.9153 & 1 & 0.2785 \tabularnewline
V16 excluded & 0.9096 & 0.9161 & 1 & 0.2807 \tabularnewline
V17 excluded & 0.9097 & 0.916 & 1 & 0.2804 \tabularnewline
V18 excluded & 0.9124 & 0.9184 & 1 & 0.2866 \tabularnewline
V19 excluded & 0.9089 & 0.9154 & 1 & 0.2788 \tabularnewline
V20 excluded & 0.9091 & 0.9155 & 1 & 0.2789 \tabularnewline
V21 excluded & 0.913 & 0.9194 & 1 & 0.2895 \tabularnewline
V22 excluded & 0.9129 & 0.9191 & 1 & 0.2886 \tabularnewline
V23 excluded & 0.9115 & 0.9177 & 1 & 0.2849 \tabularnewline
V24 excluded & 0.9155 & 0.921 & 1 & 0.2939 \tabularnewline
V25 excluded & 0.9134 & 0.9185 & 1 & 0.287 \tabularnewline
V26 excluded & 0.9125 & 0.918 & 1 & 0.2857 \tabularnewline
V27 excluded & 0.9085 & 0.9146 & 1 & 0.2767 \tabularnewline
V28 excluded & 0.9076 & 0.9142 & 1 & 0.2757 \tabularnewline
V29 excluded & 0.9083 & 0.9147 & 1 & 0.2769 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=320552&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]0.9132[/C][C]0.9193[/C][C]1[/C][C]0.2819[/C][/ROW]
[ROW][C]V1 excluded[/C][C]0.9069[/C][C]0.9128[/C][C]1[/C][C]0.2722[/C][/ROW]
[ROW][C]V2 excluded[/C][C]0.9086[/C][C]0.9148[/C][C]1[/C][C]0.2771[/C][/ROW]
[ROW][C]V3 excluded[/C][C]0.9104[/C][C]0.917[/C][C]1[/C][C]0.283[/C][/ROW]
[ROW][C]V4 excluded[/C][C]0.916[/C][C]0.9221[/C][C]1[/C][C]0.2971[/C][/ROW]
[ROW][C]V5 excluded[/C][C]0.907[/C][C]0.9134[/C][C]1[/C][C]0.2736[/C][/ROW]
[ROW][C]V6 excluded[/C][C]0.913[/C][C]0.9195[/C][C]1[/C][C]0.2898[/C][/ROW]
[ROW][C]V7 excluded[/C][C]0.9097[/C][C]0.9161[/C][C]1[/C][C]0.2807[/C][/ROW]
[ROW][C]V8 excluded[/C][C]0.9089[/C][C]0.9147[/C][C]1[/C][C]0.2768[/C][/ROW]
[ROW][C]V9 excluded[/C][C]0.9069[/C][C]0.9134[/C][C]1[/C][C]0.2737[/C][/ROW]
[ROW][C]V10 excluded[/C][C]0.9076[/C][C]0.9138[/C][C]1[/C][C]0.2746[/C][/ROW]
[ROW][C]V11 excluded[/C][C]0.9112[/C][C]0.9175[/C][C]1[/C][C]0.2842[/C][/ROW]
[ROW][C]V12 excluded[/C][C]0.9103[/C][C]0.9162[/C][C]1[/C][C]0.2807[/C][/ROW]
[ROW][C]V13 excluded[/C][C]0.9101[/C][C]0.9164[/C][C]1[/C][C]0.2814[/C][/ROW]
[ROW][C]V14 excluded[/C][C]0.9129[/C][C]0.919[/C][C]1[/C][C]0.2883[/C][/ROW]
[ROW][C]V15 excluded[/C][C]0.9086[/C][C]0.9153[/C][C]1[/C][C]0.2785[/C][/ROW]
[ROW][C]V16 excluded[/C][C]0.9096[/C][C]0.9161[/C][C]1[/C][C]0.2807[/C][/ROW]
[ROW][C]V17 excluded[/C][C]0.9097[/C][C]0.916[/C][C]1[/C][C]0.2804[/C][/ROW]
[ROW][C]V18 excluded[/C][C]0.9124[/C][C]0.9184[/C][C]1[/C][C]0.2866[/C][/ROW]
[ROW][C]V19 excluded[/C][C]0.9089[/C][C]0.9154[/C][C]1[/C][C]0.2788[/C][/ROW]
[ROW][C]V20 excluded[/C][C]0.9091[/C][C]0.9155[/C][C]1[/C][C]0.2789[/C][/ROW]
[ROW][C]V21 excluded[/C][C]0.913[/C][C]0.9194[/C][C]1[/C][C]0.2895[/C][/ROW]
[ROW][C]V22 excluded[/C][C]0.9129[/C][C]0.9191[/C][C]1[/C][C]0.2886[/C][/ROW]
[ROW][C]V23 excluded[/C][C]0.9115[/C][C]0.9177[/C][C]1[/C][C]0.2849[/C][/ROW]
[ROW][C]V24 excluded[/C][C]0.9155[/C][C]0.921[/C][C]1[/C][C]0.2939[/C][/ROW]
[ROW][C]V25 excluded[/C][C]0.9134[/C][C]0.9185[/C][C]1[/C][C]0.287[/C][/ROW]
[ROW][C]V26 excluded[/C][C]0.9125[/C][C]0.918[/C][C]1[/C][C]0.2857[/C][/ROW]
[ROW][C]V27 excluded[/C][C]0.9085[/C][C]0.9146[/C][C]1[/C][C]0.2767[/C][/ROW]
[ROW][C]V28 excluded[/C][C]0.9076[/C][C]0.9142[/C][C]1[/C][C]0.2757[/C][/ROW]
[ROW][C]V29 excluded[/C][C]0.9083[/C][C]0.9147[/C][C]1[/C][C]0.2769[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=320552&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=320552&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	0.9132	0.9193	1	0.2819
V1 excluded	0.9069	0.9128	1	0.2722
V2 excluded	0.9086	0.9148	1	0.2771
V3 excluded	0.9104	0.917	1	0.283
V4 excluded	0.916	0.9221	1	0.2971
V5 excluded	0.907	0.9134	1	0.2736
V6 excluded	0.913	0.9195	1	0.2898
V7 excluded	0.9097	0.9161	1	0.2807
V8 excluded	0.9089	0.9147	1	0.2768
V9 excluded	0.9069	0.9134	1	0.2737
V10 excluded	0.9076	0.9138	1	0.2746
V11 excluded	0.9112	0.9175	1	0.2842
V12 excluded	0.9103	0.9162	1	0.2807
V13 excluded	0.9101	0.9164	1	0.2814
V14 excluded	0.9129	0.919	1	0.2883
V15 excluded	0.9086	0.9153	1	0.2785
V16 excluded	0.9096	0.9161	1	0.2807
V17 excluded	0.9097	0.916	1	0.2804
V18 excluded	0.9124	0.9184	1	0.2866
V19 excluded	0.9089	0.9154	1	0.2788
V20 excluded	0.9091	0.9155	1	0.2789
V21 excluded	0.913	0.9194	1	0.2895
V22 excluded	0.9129	0.9191	1	0.2886
V23 excluded	0.9115	0.9177	1	0.2849
V24 excluded	0.9155	0.921	1	0.2939
V25 excluded	0.9134	0.9185	1	0.287
V26 excluded	0.9125	0.918	1	0.2857
V27 excluded	0.9085	0.9146	1	0.2767
V28 excluded	0.9076	0.9142	1	0.2757
V29 excluded	0.9083	0.9147	1	0.2769

Parameters (Session):

par1 = TRUE ;

Parameters (R input):

par1 = TRUE ;

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

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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Tables (Output of Computation)

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Input Parameters & R Code