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Author's title

Author

*The author of this computation has been verified*

R Software Module

rwasp_cronbach.wasp

Title produced by software

Cronbach Alpha

Date of computation

Mon, 04 Dec 2017 14:18:38 +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/04/t1512393549ci7mq1dwtod41qe.htm/, Retrieved Mon, 13 May 2024 21:01:00 +0000

Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=308496, Retrieved Mon, 13 May 2024 21:01:00 +0000

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Original text written by user:

IsPrivate?

No (this computation is public)

User-defined keywords

Estimated Impact

128

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

-       [Cronbach Alpha] [Cronbach alpha SQ 3] [2017-12-04 13:18:38] [624f75095443dc501dbf5befeca42dec] [Current]

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Dataseries X:

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Histogram

Boxplots

2	3	2	3	3	3	4
4	4	4	3	5	5	5
4	4	4	4	5	5	5
5	5	4	4	3	3	3
4	4	4	4	2	2	5
4	4	4	5	4	4	5
4	4	5	4	4	4	5
4	4	4	4	4	4	5
3	3	3	3	3	3	4
2	3	5	3	5	5	3
4	3	4	4	3	3	4
4	4	4	4	4	4	5
4	3	4	4	3	3	5
4	4	4	4	4	4	5
3	3	4	3	3	3	3
3	4	3	3	5	5	4
4	4	4	4	3	3	4
4	4	4	4	4	4	3
5	5	5	5	5	5	5
2	2	4	4	5	5	4
3	3	4	4	4	4	4
3	3	3	4	2	2	4
4	3	4	4	5	5	5
4	4	2	5	4	4	3
4	3	4	4	1	1	3
2	2	3	3	3	3	3
3	4	5	4	4	4	3
5	5	5	5	4	4	5
4	3	3	4	4	4	5
3	3	3	4	4	4	4
4	4	4	5	5	5	5
3	3	4	4	2	2	5
1	1	4	1	2	2	3
3	5	5	5	5	5	5
2	2	4	4	5	5	5
3	3	4	3	3	3	4
4	4	3	3	4	4	4
2	2	3	3	3	3	4
3	3	3	3	3	3	4
3	3	3	3	3	3	3
4	4	3	2	2	2	4
4	3	4	4	5	5	5
2	2	3	2	4	4	5
4	4	4	5	5	5	4
3	3	5	4	4	4	3
4	4	5	4	5	5	5
3	4	4	5	4	4	5
4	4	3	3	4	4	5
2	2	4	3	4	4	5
4	4	4	3	4	4	3
5	5	5	4	5	5	5
3	3	4	4	4	4	4
3	3	4	4	3	3	2
4	4	4	3	2	2	3
4	3	4	4	4	4	4
4	4	4	5	3	3	5
4	4	4	3	4	4	3
4	4	3	4	5	5	5
3	2	4	3	2	2	4
4	4	4	4	4	4	5
3	3	4	4	3	3	5
3	3	4	4	4	4	4
4	4	4	4	4	4	4
3	3	4	3	4	4	5
3	3	3	4	1	1	5
3	3	4	4	4	4	5
3	4	3	4	4	4	4
4	4	4	4	4	4	4
4	4	5	5	5	5	5
4	3	5	3	2	2	4
2	2	2	4	4	4	5
3	3	3	4	2	2	3
4	4	5	4	5	5	5
3	3	4	5	4	4	5
4	3	4	4	4	4	4
3	2	4	4	3	3	5
2	3	3	3	3	3	4
4	4	4	4	3	3	4
2	3	4	1	3	3	3
4	4	5	4	4	4	5
2	3	2	3	2	2	4
3	3	4	3	4	4	4
3	3	4	3	5	5	5
3	3	5	5	5	5	5
4	4	4	3	4	4	4
2	2	4	3	4	4	5
4	3	3	4	4	4	4
3	3	4	4	4	4	4
3	2	2	3	2	2	3
4	4	4	4	4	4	5
3	3	4	4	4	4	5
4	3	5	4	5	5	4
3	3	4	5	4	4	5
5	5	4	4	4	4	4
2	2	2	3	4	4	5
4	4	5	5	4	4	4
1	3	4	4	4	4	4
2	2	3	5	4	4	5
3	4	3	4	4	4	4
2	2	4	4	4	4	4
2	2	4	5	3	3	4
2	3	3	4	3	3	3
4	4	3	5	4	4	3
4	4	4	4	4	4	3
4	4	4	5	4	4	4
4	4	4	4	4	4	4
3	3	4	4	1	1	4
2	2	4	5	4	4	5
3	3	3	3	3	3	3
3	4	4	3	4	4	3
3	3	3	2	3	3	4
2	3	4	4	4	4	4
2	2	3	3	3	3	4
2	2	3	3	3	3	4
3	3	3	3	4	4	3
4	3	4	4	1	1	5
5	5	5	4	5	5	4
3	3	2	2	2	2	3
4	4	4	4	4	4	5
3	3	4	4	4	4	4
2	2	4	3	2	2	4
4	4	4	3	3	3	3
3	1	2	3	3	3	4
3	2	3	2	3	3	4
3	2	3	3	4	4	4
3	3	4	4	4	4	4
3	3	3	4	4	4	4
3	3	4	4	3	3	4
2	2	3	2	3	3	5
3	3	4	3	2	2	3
2	4	4	3	4	4	2
2	2	4	4	4	4	4
3	3	4	3	4	4	4
4	3	3	4	3	3	5
3	2	4	4	3	3	5
4	4	5	5	2	2	3
4	4	4	4	4	4	5
3	3	4	4	5	5	4
1	2	4	2	2	2	4
3	3	4	4	4	4	4
3	3	4	3	3	3	4
4	4	3	4	3	3	4
3	3	4	4	5	5	5
1	1	4	4	4	4	4
3	3	3	3	3	3	3
3	3	2	2	4	4	5
1	3	4	3	3	3	3
4	4	4	4	4	4	4
4	4	4	4	4	4	4
4	4	4	3	2	2	4
4	4	2	4	4	4	4
4	4	4	3	3	3	4
3	3	4	4	3	3	4
2	2	3	5	3	3	5
4	3	4	3	4	4	4
4	4	5	5	5	5	5
3	3	3	4	4	4	5
4	3	5	4	4	4	4
5	5	4	4	5	5	5
2	2	3	3	3	3	5
2	3	2	3	3	3	4
3	3	5	3	4	4	5
1	1	2	4	3	3	4
3	3	3	2	3	3	3
3	2	2	3	5	5	4
3	2	5	3	5	5	3
4	4	4	4	4	4	4
4	4	4	3	4	4	5
1	1	4	3	2	2	4
3	3	3	4	3	3	5
3	3	4	3	4	4	4
4	5	5	4	5	5	4
4	4	4	4	4	4	4
4	4	5	3	4	4	4
4	4	3	3	4	4	4
2	2	3	4	3	3	5
3	3	4	4	3	3	4
4	4	4	4	4	4	4
4	4	4	4	4	4	4
4	4	3	5	3	3	5
3	3	4	4	3	3	4
3	3	3	3	3	3	4
1	1	3	3	2	2	5
4	4	4	4	4	4	4
2	3	4	4	3	3	4
4	3	4	4	4	4	4
4	3	4	4	5	5	5
5	3	4	5	2	2	3
3	3	3	3	3	3	4
3	3	4	4	4	4	4
3	3	4	4	2	2	4
5	4	4	3	3	3	5
4	3	3	4	5	5	4
3	3	3	3	4	4	4
2	2	2	3	4	4	3
2	2	3	4	4	4	5
3	3	4	4	2	2	3
4	4	3	3	3	3	4
4	4	5	4	4	4	4
4	4	4	4	4	4	4
4	4	4	4	4	4	4
3	3	3	3	2	2	4
3	2	2	2	4	4	5
4	4	5	5	4	4	2
2	2	4	3	4	4	4
4	4	4	4	4	4	4
4	3	3	4	4	4	4
4	4	3	4	4	4	5
5	5	4	4	4	4	5
4	3	4	4	2	2	4
4	3	4	4	2	2	4
1	1	3	1	2	2	5
3	3	4	4	3	3	4
1	2	4	4	4	4	4
5	5	5	5	4	4	5
4	4	4	3	4	4	4
3	3	3	4	4	4	5
2	2	3	4	4	4	5
4	3	4	3	3	3	5
4	4	4	4	4	4	5
3	3	4	4	4	4	5
2	2	3	4	3	3	4
4	4	4	4	4	4	5
3	3	3	4	3	3	4
4	4	4	4	3	3	4
2	3	4	3	4	4	4
5	5	3	3	4	4	5
4	4	4	4	3	3	4
3	3	4	3	4	4	4
5	5	5	5	5	5	4
3	3	3	3	2	2	3
3	3	3	3	4	4	4
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
4	4	4	4	4	4	4
4	4	4	4	4	4	5
3	3	3	3	4	4	4
2	3	4	4	4	4	4
2	2	4	3	3	3	2
2	2	3	2	3	3	3
2	3	5	5	4	4	3
1	2	2	2	2	2	2
4	5	4	4	4	4	5
1	1	1	2	1	1	2
1	1	3	2	3	3	3
1	2	2	2	3	3	3
4	4	4	4	5	5	4
3	3	4	4	4	4	5
3	3	3	3	3	3	3
4	5	4	4	4	4	5
4	5	5	5	2	2	5
1	1	2	1	1	1	2
4	4	3	4	3	3	4
4	3	4	5	4	4	4
3	3	3	3	3	3	3
2	2	3	2	3	3	3
2	2	2	2	4	4	4
3	3	4	3	3	3	3
2	2	3	3	4	4	3
3	3	3	3	3	3	3
4	4	4	4	4	4	4
5	4	5	4	5	5	5
3	4	4	3	5	5	5
3	3	4	4	4	4	5
4	4	4	3	4	4	4
3	3	4	4	5	5	4
2	2	5	4	3	3	5
4	4	4	4	2	2	4
4	4	4	5	4	4	5
3	3	4	3	5	5	5
4	4	5	4	5	5	5
2	2	5	4	5	5	5
3	3	4	4	3	3	4
3	3	3	3	2	2	4
5	5	4	3	5	5	4
4	4	5	4	4	4	5
3	3	4	5	5	5	5
4	4	4	4	4	4	4
3	3	4	4	2	2	5
4	4	4	3	3	3	4
5	4	5	4	4	4	4
3	3	5	5	5	5	5
3	3	4	3	4	4	5
4	4	4	3	5	5	4
4	4	4	3	2	2	3
4	4	3	4	4	4	5
2	3	5	4	5	5	5
3	4	4	3	4	4	4
4	4	4	4	4	4	4
4	4	5	5	5	5	5
3	2	3	5	4	4	4
3	3	3	4	4	4	3
3	4	3	4	2	2	3
4	4	4	4	4	4	2
2	3	4	2	2	2	4
5	5	4	4	4	4	4
2	3	4	5	3	3	4
3	3	4	4	4	4	4
3	3	3	4	3	3	3
3	3	4	3	2	2	4
4	4	4	2	4	4	4
3	3	3	3	3	3	3
3	3	4	4	4	4	4
4	4	5	4	4	4	5
5	5	5	4	4	4	4
3	3	4	4	4	4	4
3	3	4	4	4	4	4
2	2	4	3	2	2	3
4	4	4	4	4	4	5
4	4	4	2	4	4	4
4	4	4	5	4	4	5
3	3	4	3	4	4	2
4	3	4	2	2	2	4
4	4	4	4	3	3	3
3	4	4	3	4	4	4
3	3	4	5	2	2	1
5	4	5	4	5	5	5
5	5	4	4	5	5	5
4	4	3	4	2	2	4
3	3	4	3	4	4	4
4	4	4	4	4	4	2
3	3	4	2	4	4	4
4	2	2	3	1	1	4
5	4	4	2	4	4	2
3	3	4	4	5	5	5
4	4	4	4	4	4	5
3	3	3	2	2	2	4
2	2	4	3	3	3	4
2	2	4	3	2	2	4
2	2	4	3	3	3	4
3	3	5	4	3	3	4
3	3	5	3	5	5	2
3	3	4	4	4	4	4
3	2	5	3	5	5	4
3	3	4	4	4	4	4
5	5	5	5	5	5	5
3	3	4	3	4	4	4
1	1	4	4	2	2	1
1	1	5	1	3	3	3
3	2	1	2	4	4	3
1	1	2	4	2	2	4
3	3	4	3	3	3	2
2	2	4	3	4	4	4
4	4	4	3	4	4	4
4	4	4	4	4	4	4
1	1	5	3	3	3	5
4	4	5	4	3	3	4
3	3	5	5	5	5	4
3	3	5	5	5	5	3
4	4	4	4	5	5	4
4	4	3	3	4	4	4
3	3	3	3	2	2	2
4	4	5	4	2	2	4
4	4	5	4	3	3	4
2	2	4	3	5	5	5
4	4	4	4	4	4	5
2	3	3	4	2	2	4
4	4	4	4	4	4	4
4	4	4	3	4	4	3
4	3	3	4	3	3	4
4	4	4	4	3	3	5
4	4	4	4	5	5	5
4	5	4	4	4	4	3
2	2	5	2	4	4	4
4	3	3	4	4	4	4
5	5	5	5	5	5	3
4	3	5	5	3	3	5
5	5	5	5	2	2	5
4	4	4	4	3	3	5
4	4	4	3	3	3	4
5	5	3	5	5	5	4
4	5	4	3	5	5	4
4	4	4	4	4	4	4
4	5	5	4	5	5	4
3	4	3	4	4	4	3
5	5	3	5	4	4	5
3	3	4	4	2	2	2
4	4	4	5	4	4	5
2	2	3	3	4	4	2
4	3	3	3	2	2	2
3	3	5	4	4	4	5
4	4	5	4	2	2	5
5	5	4	4	4	4	5
2	2	2	2	3	3	4
3	4	3	3	3	3	3
2	3	4	4	4	4	3
3	3	4	4	4	4	4
3	3	3	3	1	1	5
4	4	3	4	4	4	4
5	5	4	4	5	5	5
4	4	5	4	4	4	3
5	5	5	5	5	5	4
4	4	5	4	4	4	4
4	3	4	3	2	2	4
3	3	2	4	2	2	4
3	3	3	4	4	4	4
3	3	5	3	3	3	4
3	3	3	3	3	3	3
4	3	3	5	4	4	3
2	2	4	2	4	4	4
5	4	5	3	2	2	3
4	4	5	4	3	3	5
2	2	3	3	3	3	4
4	4	4	4	4	4	5
3	2	4	2	4	4	4
4	4	4	4	4	4	4
4	3	3	3	3	3	3
3	4	5	5	4	4	5
2	2	3	3	1	1	2
2	2	3	2	2	2	3
4	3	2	3	4	4	4
1	2	3	4	5	5	4
4	4	5	3	5	5	4
4	4	5	4	4	4	4
5	4	4	2	2	2	4
3	3	4	4	4	4	3
1	2	3	4	2	2	4
3	4	4	4	4	4	4
1	1	3	2	4	4	3
5	4	4	4	5	5	5
3	3	4	4	5	5	5
4	4	4	4	4	4	2
2	2	5	3	2	2	2
4	4	4	3	3	3	4
4	3	3	3	4	4	3
4	4	3	3	4	4	4
4	4	4	3	3	3	3
4	4	4	5	4	4	5
4	4	5	4	4	4	4
3	3	4	4	4	4	5
4	4	3	2	2	2	5
3	3	5	4	4	4	5
5	5	5	4	5	5	5
4	4	5	3	3	3	5
3	3	4	3	2	2	3
5	4	4	4	2	2	5
3	3	4	4	4	4	4
5	5	5	3	5	5	5
2	2	3	4	4	4	4
5	5	5	4	4	4	4
3	3	4	4	5	5	5
4	4	5	4	4	4	4
4	4	4	4	4	4	4
3	3	4	3	4	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=308496&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=308496&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=308496&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	0.8028	0.7991	0.8689	0.3623
A1 excluded	0.7725	0.7669	0.8119	0.3542
A2 excluded	0.7608	0.7572	0.8032	0.342
A3 excluded	0.7907	0.7866	1	0.3806
A4 excluded	0.7861	0.7808	0.8704	0.3725
A6 excluded	0.7577	0.7555	0.7714	0.3399
A7 excluded	0.7577	0.7555	0.7714	0.3399
A8 excluded	0.8072	0.8048	0.8852	0.4073

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.8028 & 0.7991 & 0.8689 & 0.3623 \tabularnewline
A1 excluded & 0.7725 & 0.7669 & 0.8119 & 0.3542 \tabularnewline
A2 excluded & 0.7608 & 0.7572 & 0.8032 & 0.342 \tabularnewline
A3 excluded & 0.7907 & 0.7866 & 1 & 0.3806 \tabularnewline
A4 excluded & 0.7861 & 0.7808 & 0.8704 & 0.3725 \tabularnewline
A6 excluded & 0.7577 & 0.7555 & 0.7714 & 0.3399 \tabularnewline
A7 excluded & 0.7577 & 0.7555 & 0.7714 & 0.3399 \tabularnewline
A8 excluded & 0.8072 & 0.8048 & 0.8852 & 0.4073 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=308496&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]0.8028[/C][C]0.7991[/C][C]0.8689[/C][C]0.3623[/C][/ROW]
[ROW][C]A1 excluded[/C][C]0.7725[/C][C]0.7669[/C][C]0.8119[/C][C]0.3542[/C][/ROW]
[ROW][C]A2 excluded[/C][C]0.7608[/C][C]0.7572[/C][C]0.8032[/C][C]0.342[/C][/ROW]
[ROW][C]A3 excluded[/C][C]0.7907[/C][C]0.7866[/C][C]1[/C][C]0.3806[/C][/ROW]
[ROW][C]A4 excluded[/C][C]0.7861[/C][C]0.7808[/C][C]0.8704[/C][C]0.3725[/C][/ROW]
[ROW][C]A6 excluded[/C][C]0.7577[/C][C]0.7555[/C][C]0.7714[/C][C]0.3399[/C][/ROW]
[ROW][C]A7 excluded[/C][C]0.7577[/C][C]0.7555[/C][C]0.7714[/C][C]0.3399[/C][/ROW]
[ROW][C]A8 excluded[/C][C]0.8072[/C][C]0.8048[/C][C]0.8852[/C][C]0.4073[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=308496&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=308496&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	0.8028	0.7991	0.8689	0.3623
A1 excluded	0.7725	0.7669	0.8119	0.3542
A2 excluded	0.7608	0.7572	0.8032	0.342
A3 excluded	0.7907	0.7866	1	0.3806
A4 excluded	0.7861	0.7808	0.8704	0.3725
A6 excluded	0.7577	0.7555	0.7714	0.3399
A7 excluded	0.7577	0.7555	0.7714	0.3399
A8 excluded	0.8072	0.8048	0.8852	0.4073

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')

Free Statistics

Description of Statistical Computation

Tree of Dependent Computations

Dataset

Tables (Output of Computation)

Figures (Output of Computation)

Input Parameters & R Code