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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

Sat, 27 Feb 2021 17:30:05 +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/2021/Feb/27/t1614443438ti8gkzx7braxuzh.htm/, Retrieved Sun, 01 Oct 2023 15:12:18 +0000

Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=319376, Retrieved Sun, 01 Oct 2023 15:12:18 +0000

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No (this computation is public)

User-defined keywords

Estimated Impact

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

-       [Cronbach Alpha] [] [2021-02-27 16:30:05] [d41d8cd98f00b204e9800998ecf8427e] [Current]

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Dataseries X:

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Histogram

Boxplots

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

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
R Framework error message	The field 'Names of X columns' contains a hard return which cannot be interpreted. Please, resubmit your request without hard returns in the 'Names of X columns'.

\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
R Framework error message & The field 'Names of X columns' contains a hard return which cannot be interpreted.
Please, resubmit your request without hard returns in the 'Names of X columns'. \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=319376&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] [ROW]

R Framework error message[/C][C]

The field 'Names of X columns' contains a hard return which cannot be interpreted.
Please, resubmit your request without hard returns in the 'Names of X columns'.

[/C][/ROW] [/TABLE] Source: https://freestatistics.org/blog/index.php?pk=319376&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=319376&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
R Framework error message	The field 'Names of X columns' contains a hard return which cannot be interpreted. Please, resubmit your request without hard returns in the 'Names of X columns'.

Cronbach Alpha and Related Statistics
Items	Cronbach Alpha	Std. Alpha	G6(smc)	Average R
All itmes	0.5619	0.5716	0.6074	0.1082
Q2 excluded	0.5296	0.5421	0.5827	0.1059
Q7 excluded	0.5542	0.5662	0.6043	0.1155
Q8 excluded	0.5904	0.6173	0.6401	0.1389
Q9 excluded	0.5087	0.5088	0.5375	0.0938
Q10 excluded	0.4941	0.5005	0.5268	0.0911
Q11 excluded	0.5102	0.524	0.5636	0.0992
Q12 excluded	0.5696	0.5789	0.6059	0.1209
Q13 excluded	0.5622	0.5771	0.5984	0.1201
Q14 excluded	0.5184	0.5414	0.5747	0.1056
Q15 excluded	0.5305	0.5213	0.5617	0.0982
Q16 excluded	0.5352	0.5294	0.5679	0.1011

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.5619 & 0.5716 & 0.6074 & 0.1082 \tabularnewline
Q2 excluded & 0.5296 & 0.5421 & 0.5827 & 0.1059 \tabularnewline
Q7 excluded & 0.5542 & 0.5662 & 0.6043 & 0.1155 \tabularnewline
Q8 excluded & 0.5904 & 0.6173 & 0.6401 & 0.1389 \tabularnewline
Q9 excluded & 0.5087 & 0.5088 & 0.5375 & 0.0938 \tabularnewline
Q10 excluded & 0.4941 & 0.5005 & 0.5268 & 0.0911 \tabularnewline
Q11 excluded & 0.5102 & 0.524 & 0.5636 & 0.0992 \tabularnewline
Q12 excluded & 0.5696 & 0.5789 & 0.6059 & 0.1209 \tabularnewline
Q13 excluded & 0.5622 & 0.5771 & 0.5984 & 0.1201 \tabularnewline
Q14 excluded & 0.5184 & 0.5414 & 0.5747 & 0.1056 \tabularnewline
Q15 excluded & 0.5305 & 0.5213 & 0.5617 & 0.0982 \tabularnewline
Q16
 excluded & 0.5352 & 0.5294 & 0.5679 & 0.1011 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=319376&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]0.5619[/C][C]0.5716[/C][C]0.6074[/C][C]0.1082[/C][/ROW]
[ROW][C]Q2 excluded[/C][C]0.5296[/C][C]0.5421[/C][C]0.5827[/C][C]0.1059[/C][/ROW]
[ROW][C]Q7 excluded[/C][C]0.5542[/C][C]0.5662[/C][C]0.6043[/C][C]0.1155[/C][/ROW]
[ROW][C]Q8 excluded[/C][C]0.5904[/C][C]0.6173[/C][C]0.6401[/C][C]0.1389[/C][/ROW]
[ROW][C]Q9 excluded[/C][C]0.5087[/C][C]0.5088[/C][C]0.5375[/C][C]0.0938[/C][/ROW]
[ROW][C]Q10 excluded[/C][C]0.4941[/C][C]0.5005[/C][C]0.5268[/C][C]0.0911[/C][/ROW]
[ROW][C]Q11 excluded[/C][C]0.5102[/C][C]0.524[/C][C]0.5636[/C][C]0.0992[/C][/ROW]
[ROW][C]Q12 excluded[/C][C]0.5696[/C][C]0.5789[/C][C]0.6059[/C][C]0.1209[/C][/ROW]
[ROW][C]Q13 excluded[/C][C]0.5622[/C][C]0.5771[/C][C]0.5984[/C][C]0.1201[/C][/ROW]
[ROW][C]Q14 excluded[/C][C]0.5184[/C][C]0.5414[/C][C]0.5747[/C][C]0.1056[/C][/ROW]
[ROW][C]Q15 excluded[/C][C]0.5305[/C][C]0.5213[/C][C]0.5617[/C][C]0.0982[/C][/ROW]
[ROW][C]Q16
 excluded[/C][C]0.5352[/C][C]0.5294[/C][C]0.5679[/C][C]0.1011[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=319376&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=319376&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	0.5619	0.5716	0.6074	0.1082
Q2 excluded	0.5296	0.5421	0.5827	0.1059
Q7 excluded	0.5542	0.5662	0.6043	0.1155
Q8 excluded	0.5904	0.6173	0.6401	0.1389
Q9 excluded	0.5087	0.5088	0.5375	0.0938
Q10 excluded	0.4941	0.5005	0.5268	0.0911
Q11 excluded	0.5102	0.524	0.5636	0.0992
Q12 excluded	0.5696	0.5789	0.6059	0.1209
Q13 excluded	0.5622	0.5771	0.5984	0.1201
Q14 excluded	0.5184	0.5414	0.5747	0.1056
Q15 excluded	0.5305	0.5213	0.5617	0.0982
Q16 excluded	0.5352	0.5294	0.5679	0.1011

Parameters (Session):

par1 = TRUE ;

Parameters (R input):

par1 = TRUE ;

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

par1 <- 'TRUE'
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