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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

Sat, 04 Dec 2010 10:17:30 +0000

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/2010/Dec/04/t1291457753t0tf0vw4p2vjevx.htm/, Retrieved Sun, 05 May 2024 05:06:07 +0000

Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=105071, Retrieved Sun, 05 May 2024 05:06:07 +0000

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Original text written by user:

IsPrivate?

No (this computation is public)

User-defined keywords

Estimated Impact

165

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

-     [Cronbach Alpha] [Intrinsic Motivat...] [2010-10-12 11:46:14] [b98453cac15ba1066b407e146608df68]
-    D  [Cronbach Alpha] [WS3 - Task 2- Ext...] [2010-10-19 17:10:12] [19f9551d4d95750ef21e9f3cf8fe2131]
- R  D    [Cronbach Alpha] [p_Stress_CA1Bel] [2010-12-04 09:09:44] [19f9551d4d95750ef21e9f3cf8fe2131]
-    D      [Cronbach Alpha] [p_Stress_CA2Verwa...] [2010-12-04 09:17:09] [19f9551d4d95750ef21e9f3cf8fe2131]
-    D          [Cronbach Alpha] [p_Stress_CA3Dep] [2010-12-04 10:17:30] [fca744d17b21beb005bf086e7071b2bb] [Current]
-    D            [Cronbach Alpha] [p_Stress_CA4Alc] [2010-12-04 10:32:08] [19f9551d4d95750ef21e9f3cf8fe2131] 
-    D              [Cronbach Alpha] [p_Stress_CA6Eten] [2010-12-06 23:55:50] [19f9551d4d95750ef21e9f3cf8fe2131] 
-    D            [Cronbach Alpha] [p_Stress_CA5Stress] [2010-12-04 10:43:39] [19f9551d4d95750ef21e9f3cf8fe2131] 
-    D              [Cronbach Alpha] [p_Stress_CA5Stressv2] [2010-12-20 23:28:37] [19f9551d4d95750ef21e9f3cf8fe2131] 
-    D            [Cronbach Alpha] [p_Stress_CA3Depv2] [2010-12-20 22:26:52] [19f9551d4d95750ef21e9f3cf8fe2131] 

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Dataseries X:

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Histogram

Boxplots

1	1	2	2	1	3	2
1	1	1	3	1	4	2
1	1	2	2	3	3	2
2	1	2	1	2	3	1
2	2	3	3	3	1	3
1	1	2	2	2	4	2
3	4	4	1	3	2	3
1	1	2	1	2	3	1
1	1	1	2	2	4	1
1	2	1	2	2	3	2
1	1	1	1	1	4	3
1	1	1	1	1	4	1
1	2	3	2	3	3	1
1	1	1	2	2	4	1
2	1	2	1	3	3	2
2	1	2	2	1	3	3
1	1	1	2	1	4	3
1	1	1	2	2	4	1
1	2	1	1	1	3	4
1	1	1	1	0	4	1
1	1	2	2	2	3	1
2	2	2	2	2	4	2
1	1	1	1	1	3	3
1	1	1	1	2	4	1
1	1	1	2	2	4	2
1	2	1	2	3	3	3
3	1	2	1	1	3	2
1	1	1	1	2	4	1
1	2	2	3	1	3	3
1	1	2	2	1	4	1
1	1	1	2	1	3	2
1	1	2	1	2	3	3
1	1	1	1	1	4	1
3	2	2	3	2	2	4
2	1	2	1	2	4	2
1	1	1	2	2	4	1
1	1	1	2	1	3	1
2	1	1	1	1	4	1
2	1	2	1	3	4	3
1	1	1	1	1	4	1
1	1	1	2	2	3	1
2	1	2	2	1	3	2
1	1	1	2	2	3	1
1	1	2	2	1	4	2
1	1	2	1	1	3	1
2	1	2	2	3	3	1
2	2	3	4	3	4	2
1	2	2	2	2	3	2
1	1	1	1	3	4	2
2	1	1	3	2	3	0
1	1	2	3	2	3	1
1	2	1	1	1	4	1
1	1	1	1	1	4	3
1	1	2	3	3	3	2
3	2	3	2	3	2	3
1	1	2	3	2	4	1
2	1	2	3	1	4	1
1	1	2	3	2	2	1
1	1	2	2	2	3	2
1	1	2	1	1	3	2
2	2	2	3	2	2	2
1	1	1	3	1	4	3
1	1	2	3	2	3	1
2	2	2	2	2	3	1
2	1	2	1	2	3	2
1	1	2	2	4	3	2
1	1	1	3	3	3	1
1	1	2	1	1	4	2
1	1	1	2	2	4	2
1	2	2	1	2	3	2
2	2	3	2	2	2	2
2	1	1	2	2	4	3
1	1	1	1	2	4	1
3	1	2	1	1	4	1
1	1	1	3	1	4	1
1	1	1	2	1	4	1
1	1	2	1	4	4	1
1	1	3	2	2	4	1
1	1	1	2	2	4	4
1	1	2	1	3	3	2
2	3	3	3	4	3	4
1	1	2	2	1	4	4
2	1	2	1	3	3	3
2	1	2	1	1	3	3
2	1	2	2	2	2	2
1	1	0	2	1	4	3
1	1	2	1	1	4	3
2	1	2	2	3	3	3
1	1	1	2	2	4	2
1	1	2	2	2	4	1
1	1	2	1	2	4	1
1	1	2	1	2	4	1
2	2	2	3	2	4	3
1	1	1	2	2	3	2
1	1	1	1	1	4	4
2	1	2	3	2	4	4
3	2	3	2	3	3	3
1	1	1	2	2	4	2
3	2	2	2	1	2	1
3	3	3	3	4	2	4
2	2	2	2	2	3	1
2	2	2	2	2	3	2
2	1	1	1	1	3	2
3	1	2	1	2	4	4
2	1	1	2	2	4	2
1	1	1	1	3	4	1
1	1	2	2	2	2	2
1	1	1	1	2	4	1
1	1	1	3	4	4	3
2	2	3	3	1	3	1
2	1	1	2	2	3	3
1	1	1	1	2	4	3
1	1	1	1	1	4	1
2	1	1	1	1	3	2
1	1	1	1	1	4	1
1	1	1	1	1	4	3
1	1	1	2	2	4	2
2	1	1	1	2	3	3
1	2	1	1	1	3	2
3	2	2	3	3	3	4
1	1	1	2	2	4	1
2	1	2	1	3	4	1
1	1	2	2	3	4	3
4	4	4	3	2	2	2
2	1	2	2	2	3	2
2	2	2	2	2	3	3
1	1	1	1	2	4	3
1	1	1	2	2	4	3
1	1	1	4	1	4	4
1	1	1	1	3	3	2
1	1	2	2	2	3	1
2	1	1	2	2	4	1
1	1	2	1	3	4	2
1	1	1	1	3	3	3
2	2	3	1	1	2	4
1	1	1	2	2	4	2
1	1	1	2	2	4	3
2	3	3	2	2	1	2
2	1	2	1	3	3	3
2	1	1	2	1	3	4
1	1	1	2	2	4	2
1	1	1	1	2	4	1

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	'Sir Ronald Aylmer Fisher' @ 193.190.124.24

\begin{tabular}{lllllllll}
\hline
Summary of computational transaction \tabularnewline
Raw Input & view raw input (R code)  \tabularnewline
Raw Output & view raw output of R engine  \tabularnewline
Computing time & 1 seconds \tabularnewline
R Server & 'Sir Ronald Aylmer Fisher' @ 193.190.124.24 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=105071&T=0

[TABLE]
[ROW][C]Summary of computational transaction[/C][/ROW]
[ROW][C]Raw Input[/C][C]view raw input (R code) [/C][/ROW]
[ROW][C]Raw Output[/C][C]view raw output of R engine [/C][/ROW]
[ROW][C]Computing time[/C][C]1 seconds[/C][/ROW]
[ROW][C]R Server[/C][C]'Sir Ronald Aylmer Fisher' @ 193.190.124.24[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=105071&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=105071&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	'Sir Ronald Aylmer Fisher' @ 193.190.124.24

Cronbach Alpha and Related Statistics
Items	Cronbach Alpha	Std. Alpha	G6(smc)	Average R
All itmes	0.3809	0.403	0.5398	0.088
Q31_1 excluded	0.2202	0.2202	0.3959	0.0449
Q31_2 excluded	0.2152	0.1883	0.3576	0.0372
Q31_3 excluded	0.2058	0.1988	0.351	0.0397
Q31_4 excluded	0.3155	0.3394	0.519	0.0789
Q31_5 excluded	0.2885	0.3186	0.5003	0.0723
Q31_6 excluded	0.6393	0.6803	0.6833	0.2618
Q31_7 excluded	0.321	0.3456	0.518	0.0809

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.3809 & 0.403 & 0.5398 & 0.088 \tabularnewline
Q31_1 excluded & 0.2202 & 0.2202 & 0.3959 & 0.0449 \tabularnewline
Q31_2 excluded & 0.2152 & 0.1883 & 0.3576 & 0.0372 \tabularnewline
Q31_3 excluded & 0.2058 & 0.1988 & 0.351 & 0.0397 \tabularnewline
Q31_4 excluded & 0.3155 & 0.3394 & 0.519 & 0.0789 \tabularnewline
Q31_5 excluded & 0.2885 & 0.3186 & 0.5003 & 0.0723 \tabularnewline
Q31_6 excluded & 0.6393 & 0.6803 & 0.6833 & 0.2618 \tabularnewline
Q31_7 excluded & 0.321 & 0.3456 & 0.518 & 0.0809 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=105071&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]0.3809[/C][C]0.403[/C][C]0.5398[/C][C]0.088[/C][/ROW]
[ROW][C]Q31_1 excluded[/C][C]0.2202[/C][C]0.2202[/C][C]0.3959[/C][C]0.0449[/C][/ROW]
[ROW][C]Q31_2 excluded[/C][C]0.2152[/C][C]0.1883[/C][C]0.3576[/C][C]0.0372[/C][/ROW]
[ROW][C]Q31_3 excluded[/C][C]0.2058[/C][C]0.1988[/C][C]0.351[/C][C]0.0397[/C][/ROW]
[ROW][C]Q31_4 excluded[/C][C]0.3155[/C][C]0.3394[/C][C]0.519[/C][C]0.0789[/C][/ROW]
[ROW][C]Q31_5 excluded[/C][C]0.2885[/C][C]0.3186[/C][C]0.5003[/C][C]0.0723[/C][/ROW]
[ROW][C]Q31_6 excluded[/C][C]0.6393[/C][C]0.6803[/C][C]0.6833[/C][C]0.2618[/C][/ROW]
[ROW][C]Q31_7 excluded[/C][C]0.321[/C][C]0.3456[/C][C]0.518[/C][C]0.0809[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=105071&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=105071&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	0.3809	0.403	0.5398	0.088
Q31_1 excluded	0.2202	0.2202	0.3959	0.0449
Q31_2 excluded	0.2152	0.1883	0.3576	0.0372
Q31_3 excluded	0.2058	0.1988	0.351	0.0397
Q31_4 excluded	0.3155	0.3394	0.519	0.0789
Q31_5 excluded	0.2885	0.3186	0.5003	0.0723
Q31_6 excluded	0.6393	0.6803	0.6833	0.2618
Q31_7 excluded	0.321	0.3456	0.518	0.0809

Parameters (Session):

Parameters (R input):

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

library(psych)
z <- t(y)
(r <- alpha(z))
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')

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Tree of Dependent Computations

Dataset

Tables (Output of Computation)

Figures (Output of Computation)

Input Parameters & R Code