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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, 15 Nov 2010 21:09:15 +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/Nov/15/t128985525199rhdgfmvqyr4nj.htm/, Retrieved Sun, 28 Apr 2024 11:55:54 +0000

Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=95078, Retrieved Sun, 28 Apr 2024 11:55:54 +0000

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Original text written by user:

IsPrivate?

No (this computation is public)

User-defined keywords

Estimated Impact

127

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 11:40:37] [b98453cac15ba1066b407e146608df68]
-    D  [Cronbach Alpha] [Chronbach Alpha p...] [2010-11-15 21:01:02] [97ad38b1c3b35a5feca8b85f7bc7b3ff]
-    D    [Cronbach Alpha] [Chronbach alpha p...] [2010-11-15 21:07:03] [97ad38b1c3b35a5feca8b85f7bc7b3ff]
-    D        [Cronbach Alpha] [Chronbach Alpha p...] [2010-11-15 21:09:15] [9ea95e194e0eb2a674315798620d5bc6] [Current]
-    D          [Cronbach Alpha] [Chronbach Alpha f...] [2010-11-15 21:24:10] [97ad38b1c3b35a5feca8b85f7bc7b3ff] 
-    D            [Cronbach Alpha] [Chronbach Alpha k...] [2010-11-15 21:26:11] [97ad38b1c3b35a5feca8b85f7bc7b3ff] 
-    D              [Cronbach Alpha] [Chronbach Alpha] [2010-11-15 21:27:57] [74be16979710d4c4e7c6647856088456] 
-    D              [Cronbach Alpha] [Chronbach Alpha l...] [2010-11-15 21:27:57] [97ad38b1c3b35a5feca8b85f7bc7b3ff] 
-    D                [Cronbach Alpha] [Chronbach Alpha c...] [2010-11-15 21:29:32] [97ad38b1c3b35a5feca8b85f7bc7b3ff] 

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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	'Gwilym Jenkins' @ 72.249.127.135

\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 & 'Gwilym Jenkins' @ 72.249.127.135 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=95078&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]'Gwilym Jenkins' @ 72.249.127.135[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=95078&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=95078&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	'Gwilym Jenkins' @ 72.249.127.135

Cronbach Alpha and Related Statistics
Items	Cronbach Alpha	Std. Alpha	G6(smc)	Average R
All itmes	0.463	0.4333	0.6748	0.1326
Q1_1 excluded	0.2581	0.2017	0.5214	0.0594
Q1_2 excluded	-0.0287	-0.0687	0.355	-0.0163
Q1_6 excluded	0.2243	0.1519	0.5677	0.0429
Q1_11 excluded	0.0913	0.0806	0.4927	0.0214
Q1_16 excluded	0.8327	0.8334	0.8088	0.5557

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.463 & 0.4333 & 0.6748 & 0.1326 \tabularnewline
Q1_1 excluded & 0.2581 & 0.2017 & 0.5214 & 0.0594 \tabularnewline
Q1_2 excluded & -0.0287 & -0.0687 & 0.355 & -0.0163 \tabularnewline
Q1_6 excluded & 0.2243 & 0.1519 & 0.5677 & 0.0429 \tabularnewline
Q1_11 excluded & 0.0913 & 0.0806 & 0.4927 & 0.0214 \tabularnewline
Q1_16 excluded & 0.8327 & 0.8334 & 0.8088 & 0.5557 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=95078&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]0.463[/C][C]0.4333[/C][C]0.6748[/C][C]0.1326[/C][/ROW]
[ROW][C]Q1_1 excluded[/C][C]0.2581[/C][C]0.2017[/C][C]0.5214[/C][C]0.0594[/C][/ROW]
[ROW][C]Q1_2 excluded[/C][C]-0.0287[/C][C]-0.0687[/C][C]0.355[/C][C]-0.0163[/C][/ROW]
[ROW][C]Q1_6 excluded[/C][C]0.2243[/C][C]0.1519[/C][C]0.5677[/C][C]0.0429[/C][/ROW]
[ROW][C]Q1_11 excluded[/C][C]0.0913[/C][C]0.0806[/C][C]0.4927[/C][C]0.0214[/C][/ROW]
[ROW][C]Q1_16 excluded[/C][C]0.8327[/C][C]0.8334[/C][C]0.8088[/C][C]0.5557[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=95078&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=95078&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	0.463	0.4333	0.6748	0.1326
Q1_1 excluded	0.2581	0.2017	0.5214	0.0594
Q1_2 excluded	-0.0287	-0.0687	0.355	-0.0163
Q1_6 excluded	0.2243	0.1519	0.5677	0.0429
Q1_11 excluded	0.0913	0.0806	0.4927	0.0214
Q1_16 excluded	0.8327	0.8334	0.8088	0.5557

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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Description of Statistical Computation

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Dataset

Tables (Output of Computation)

Figures (Output of Computation)

Input Parameters & R Code