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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

Fri, 08 Dec 2017 18:48:27 +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/08/t1512755499bv6qb9oynvp4stz.htm/, Retrieved Tue, 14 May 2024 00:46:16 +0000

Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=308821, Retrieved Tue, 14 May 2024 00:46:16 +0000

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IsPrivate?

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] [Cronbach Aplha] [2017-12-08 17:48:27] [33956d13de8d8b5d5d1b78ead3554acb] [Current]

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Dataseries X:

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

\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=308821&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=308821&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=308821&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	0.862	0.8657	0.8831	0.392
A1 excluded	0.8525	0.8563	0.8731	0.3984
A2 excluded	0.8519	0.8556	0.8721	0.397
A3 excluded	0.839	0.8423	0.8587	0.3724
A4 excluded	0.8382	0.8418	0.8608	0.3715
A5 excluded	0.8691	0.872	0.8879	0.4308
A6 excluded	0.8392	0.8431	0.861	0.3738
A7 excluded	0.8444	0.8496	0.8678	0.3855
A8 excluded	0.8558	0.8602	0.8647	0.4061
A9 excluded	0.8545	0.8592	0.8658	0.404
A10 excluded	0.8424	0.8468	0.8669	0.3805

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.862 & 0.8657 & 0.8831 & 0.392 \tabularnewline
A1 excluded & 0.8525 & 0.8563 & 0.8731 & 0.3984 \tabularnewline
A2 excluded & 0.8519 & 0.8556 & 0.8721 & 0.397 \tabularnewline
A3 excluded & 0.839 & 0.8423 & 0.8587 & 0.3724 \tabularnewline
A4 excluded & 0.8382 & 0.8418 & 0.8608 & 0.3715 \tabularnewline
A5 excluded & 0.8691 & 0.872 & 0.8879 & 0.4308 \tabularnewline
A6 excluded & 0.8392 & 0.8431 & 0.861 & 0.3738 \tabularnewline
A7 excluded & 0.8444 & 0.8496 & 0.8678 & 0.3855 \tabularnewline
A8 excluded & 0.8558 & 0.8602 & 0.8647 & 0.4061 \tabularnewline
A9 excluded & 0.8545 & 0.8592 & 0.8658 & 0.404 \tabularnewline
A10 excluded & 0.8424 & 0.8468 & 0.8669 & 0.3805 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=308821&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]0.862[/C][C]0.8657[/C][C]0.8831[/C][C]0.392[/C][/ROW]
[ROW][C]A1 excluded[/C][C]0.8525[/C][C]0.8563[/C][C]0.8731[/C][C]0.3984[/C][/ROW]
[ROW][C]A2 excluded[/C][C]0.8519[/C][C]0.8556[/C][C]0.8721[/C][C]0.397[/C][/ROW]
[ROW][C]A3 excluded[/C][C]0.839[/C][C]0.8423[/C][C]0.8587[/C][C]0.3724[/C][/ROW]
[ROW][C]A4 excluded[/C][C]0.8382[/C][C]0.8418[/C][C]0.8608[/C][C]0.3715[/C][/ROW]
[ROW][C]A5 excluded[/C][C]0.8691[/C][C]0.872[/C][C]0.8879[/C][C]0.4308[/C][/ROW]
[ROW][C]A6 excluded[/C][C]0.8392[/C][C]0.8431[/C][C]0.861[/C][C]0.3738[/C][/ROW]
[ROW][C]A7 excluded[/C][C]0.8444[/C][C]0.8496[/C][C]0.8678[/C][C]0.3855[/C][/ROW]
[ROW][C]A8 excluded[/C][C]0.8558[/C][C]0.8602[/C][C]0.8647[/C][C]0.4061[/C][/ROW]
[ROW][C]A9 excluded[/C][C]0.8545[/C][C]0.8592[/C][C]0.8658[/C][C]0.404[/C][/ROW]
[ROW][C]A10 excluded[/C][C]0.8424[/C][C]0.8468[/C][C]0.8669[/C][C]0.3805[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=308821&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=308821&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	0.862	0.8657	0.8831	0.392
A1 excluded	0.8525	0.8563	0.8731	0.3984
A2 excluded	0.8519	0.8556	0.8721	0.397
A3 excluded	0.839	0.8423	0.8587	0.3724
A4 excluded	0.8382	0.8418	0.8608	0.3715
A5 excluded	0.8691	0.872	0.8879	0.4308
A6 excluded	0.8392	0.8431	0.861	0.3738
A7 excluded	0.8444	0.8496	0.8678	0.3855
A8 excluded	0.8558	0.8602	0.8647	0.4061
A9 excluded	0.8545	0.8592	0.8658	0.404
A10 excluded	0.8424	0.8468	0.8669	0.3805

Parameters (Session):

par1 = 1 ; par2 = 0 ; par3 = 2 ; par4 = 12 ;

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