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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

Wed, 17 Dec 2014 20:36:17 +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/2014/Dec/17/t1418848596q34544kzg1jt4eo.htm/, Retrieved Sun, 19 May 2024 20:27:39 +0000

Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=270659, Retrieved Sun, 19 May 2024 20:27:39 +0000

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Original text written by user:

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] [Intrinsic Motivat...] [2010-10-12 11:40:37] [b98453cac15ba1066b407e146608df68]
- RMPD    [Cronbach Alpha] [] [2014-12-17 20:36:17] [8bc211f73340264728ef5f82b44185ba] [Current]

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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	'Sir Ronald Aylmer Fisher' @ fisher.wessa.net

\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' @ fisher.wessa.net \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=270659&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' @ fisher.wessa.net[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=270659&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=270659&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' @ fisher.wessa.net

Cronbach Alpha and Related Statistics
Items	Cronbach Alpha	Std. Alpha	G6(smc)	Average R
All itmes	0.7444	0.7483	0.7146	0.4264
Q3 excluded	0.6859	0.6847	0.6021	0.4199
Q10 excluded	0.5927	0.6038	0.5096	0.3369
Q17 excluded	0.7379	0.7423	0.6705	0.4899
Q24 excluded	0.7111	0.7179	0.6681	0.4589

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.7444 & 0.7483 & 0.7146 & 0.4264 \tabularnewline
Q3 excluded & 0.6859 & 0.6847 & 0.6021 & 0.4199 \tabularnewline
Q10 excluded & 0.5927 & 0.6038 & 0.5096 & 0.3369 \tabularnewline
Q17 excluded & 0.7379 & 0.7423 & 0.6705 & 0.4899 \tabularnewline
Q24 excluded & 0.7111 & 0.7179 & 0.6681 & 0.4589 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=270659&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]0.7444[/C][C]0.7483[/C][C]0.7146[/C][C]0.4264[/C][/ROW]
[ROW][C]Q3 excluded[/C][C]0.6859[/C][C]0.6847[/C][C]0.6021[/C][C]0.4199[/C][/ROW]
[ROW][C]Q10 excluded[/C][C]0.5927[/C][C]0.6038[/C][C]0.5096[/C][C]0.3369[/C][/ROW]
[ROW][C]Q17 excluded[/C][C]0.7379[/C][C]0.7423[/C][C]0.6705[/C][C]0.4899[/C][/ROW]
[ROW][C]Q24 excluded[/C][C]0.7111[/C][C]0.7179[/C][C]0.6681[/C][C]0.4589[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=270659&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=270659&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	0.7444	0.7483	0.7146	0.4264
Q3 excluded	0.6859	0.6847	0.6021	0.4199
Q10 excluded	0.5927	0.6038	0.5096	0.3369
Q17 excluded	0.7379	0.7423	0.6705	0.4899
Q24 excluded	0.7111	0.7179	0.6681	0.4589

Parameters (Session):

par1 = TRUE ;

Parameters (R input):

par1 = TRUE ;

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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