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Author's title

Author

*Unverified author*

R Software Module

rwasp_cronbach.wasp

Title produced by software

Cronbach Alpha

Date of computation

Thu, 31 Aug 2023 17:59:26 +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/31/t1693497640eeow7m6cjljwupe.htm/, Retrieved Tue, 26 May 2026 09:06:35 +0000

Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=319945, Retrieved Tue, 26 May 2026 09:06:35 +0000

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Original text written by user:

IsPrivate?

No (this computation is public)

User-defined keywords

Estimated Impact

226

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

-       [Cronbach Alpha] [] [2023-08-31 15:59:26] [d41d8cd98f00b204e9800998ecf8427e] [Current]

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Dataseries X:

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Histogram

Boxplots

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

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=319945&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=319945&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=319945&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 items	0.7396	0.8172	1	0.2714
V1 excluded	0.6693	0.7719	1	0.2353
V2 excluded	0.7108	0.7949	1	0.2605
V3 excluded	0.7173	0.7848	1	0.249
V4 excluded	0.7442	0.833	1	0.312
V5 excluded	0.7255	0.8047	1	0.2725
V6 excluded	0.7287	0.8109	1	0.2805
V7 excluded	0.7763	0.8451	1	0.3316
V8 excluded	0.7021	0.8	1	0.2667
V9 excluded	0.717	0.7994	1	0.2659
V10 excluded	0.7083	0.7984	1	0.2648
V11 excluded	0.6939	0.76	1	0.2235
V12 excluded	0.7591	0.821	1	0.2943
V13 excluded	NA	NA	NA	NA

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All items & 0.7396 & 0.8172 & 1 & 0.2714 \tabularnewline
V1 excluded & 0.6693 & 0.7719 & 1 & 0.2353 \tabularnewline
V2 excluded & 0.7108 & 0.7949 & 1 & 0.2605 \tabularnewline
V3 excluded & 0.7173 & 0.7848 & 1 & 0.249 \tabularnewline
V4 excluded & 0.7442 & 0.833 & 1 & 0.312 \tabularnewline
V5 excluded & 0.7255 & 0.8047 & 1 & 0.2725 \tabularnewline
V6 excluded & 0.7287 & 0.8109 & 1 & 0.2805 \tabularnewline
V7 excluded & 0.7763 & 0.8451 & 1 & 0.3316 \tabularnewline
V8 excluded & 0.7021 & 0.8 & 1 & 0.2667 \tabularnewline
V9 excluded & 0.717 & 0.7994 & 1 & 0.2659 \tabularnewline
V10 excluded & 0.7083 & 0.7984 & 1 & 0.2648 \tabularnewline
V11 excluded & 0.6939 & 0.76 & 1 & 0.2235 \tabularnewline
V12 excluded & 0.7591 & 0.821 & 1 & 0.2943 \tabularnewline
V13 excluded & NA & NA & NA & NA \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=319945&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]0.7396[/C][C]0.8172[/C][C]1[/C][C]0.2714[/C][/ROW]
[ROW][C]V1 excluded[/C][C]0.6693[/C][C]0.7719[/C][C]1[/C][C]0.2353[/C][/ROW]
[ROW][C]V2 excluded[/C][C]0.7108[/C][C]0.7949[/C][C]1[/C][C]0.2605[/C][/ROW]
[ROW][C]V3 excluded[/C][C]0.7173[/C][C]0.7848[/C][C]1[/C][C]0.249[/C][/ROW]
[ROW][C]V4 excluded[/C][C]0.7442[/C][C]0.833[/C][C]1[/C][C]0.312[/C][/ROW]
[ROW][C]V5 excluded[/C][C]0.7255[/C][C]0.8047[/C][C]1[/C][C]0.2725[/C][/ROW]
[ROW][C]V6 excluded[/C][C]0.7287[/C][C]0.8109[/C][C]1[/C][C]0.2805[/C][/ROW]
[ROW][C]V7 excluded[/C][C]0.7763[/C][C]0.8451[/C][C]1[/C][C]0.3316[/C][/ROW]
[ROW][C]V8 excluded[/C][C]0.7021[/C][C]0.8[/C][C]1[/C][C]0.2667[/C][/ROW]
[ROW][C]V9 excluded[/C][C]0.717[/C][C]0.7994[/C][C]1[/C][C]0.2659[/C][/ROW]
[ROW][C]V10 excluded[/C][C]0.7083[/C][C]0.7984[/C][C]1[/C][C]0.2648[/C][/ROW]
[ROW][C]V11 excluded[/C][C]0.6939[/C][C]0.76[/C][C]1[/C][C]0.2235[/C][/ROW]
[ROW][C]V12 excluded[/C][C]0.7591[/C][C]0.821[/C][C]1[/C][C]0.2943[/C][/ROW]
[ROW][C]V13 excluded[/C][C]NA[/C][C]NA[/C][C]NA[/C][C]NA[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=319945&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=319945&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	0.7396	0.8172	1	0.2714
V1 excluded	0.6693	0.7719	1	0.2353
V2 excluded	0.7108	0.7949	1	0.2605
V3 excluded	0.7173	0.7848	1	0.249
V4 excluded	0.7442	0.833	1	0.312
V5 excluded	0.7255	0.8047	1	0.2725
V6 excluded	0.7287	0.8109	1	0.2805
V7 excluded	0.7763	0.8451	1	0.3316
V8 excluded	0.7021	0.8	1	0.2667
V9 excluded	0.717	0.7994	1	0.2659
V10 excluded	0.7083	0.7984	1	0.2648
V11 excluded	0.6939	0.76	1	0.2235
V12 excluded	0.7591	0.821	1	0.2943
V13 excluded	NA	NA	NA	NA

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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