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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

Tue, 16 Oct 2012 13:06:11 -0400

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/2012/Oct/16/t1350407238ufrnu1whvk0kaxv.htm/, Retrieved Tue, 30 Apr 2024 15:30:34 +0000

Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=179047, Retrieved Tue, 30 Apr 2024 15:30:34 +0000

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Estimated Impact

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

-     [Cronbach Alpha] [WC3 taak 2] [2012-10-16 16:22:36] [346d881f0ddec1e86442b342eb3e8104]
-    D    [Cronbach Alpha] [WC3 taak 2 Q1,3,8...] [2012-10-16 17:06:11] [e4c351aee2a0bb2c047702ea90f356fa] [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=179047&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=179047&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=179047&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	0.6252	0.663	0.6357	0.2823
V1 excluded	0.6857	0.6902	0.6442	0.3577
V2 excluded	0.5752	0.6244	0.586	0.2936
V3 excluded	0.4925	0.5286	0.4657	0.219
V4 excluded	0.5527	0.5987	0.5589	0.2717
V5 excluded	0.5564	0.5964	0.5442	0.2698

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.6252 & 0.663 & 0.6357 & 0.2823 \tabularnewline
V1 excluded & 0.6857 & 0.6902 & 0.6442 & 0.3577 \tabularnewline
V2 excluded & 0.5752 & 0.6244 & 0.586 & 0.2936 \tabularnewline
V3 excluded & 0.4925 & 0.5286 & 0.4657 & 0.219 \tabularnewline
V4 excluded & 0.5527 & 0.5987 & 0.5589 & 0.2717 \tabularnewline
V5 excluded & 0.5564 & 0.5964 & 0.5442 & 0.2698 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=179047&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]0.6252[/C][C]0.663[/C][C]0.6357[/C][C]0.2823[/C][/ROW]
[ROW][C]V1 excluded[/C][C]0.6857[/C][C]0.6902[/C][C]0.6442[/C][C]0.3577[/C][/ROW]
[ROW][C]V2 excluded[/C][C]0.5752[/C][C]0.6244[/C][C]0.586[/C][C]0.2936[/C][/ROW]
[ROW][C]V3 excluded[/C][C]0.4925[/C][C]0.5286[/C][C]0.4657[/C][C]0.219[/C][/ROW]
[ROW][C]V4 excluded[/C][C]0.5527[/C][C]0.5987[/C][C]0.5589[/C][C]0.2717[/C][/ROW]
[ROW][C]V5 excluded[/C][C]0.5564[/C][C]0.5964[/C][C]0.5442[/C][C]0.2698[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=179047&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=179047&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	0.6252	0.663	0.6357	0.2823
V1 excluded	0.6857	0.6902	0.6442	0.3577
V2 excluded	0.5752	0.6244	0.586	0.2936
V3 excluded	0.4925	0.5286	0.4657	0.219
V4 excluded	0.5527	0.5987	0.5589	0.2717
V5 excluded	0.5564	0.5964	0.5442	0.2698

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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Dataset

Tables (Output of Computation)

Figures (Output of Computation)

Input Parameters & R Code