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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

Thu, 11 Dec 2014 10:04:17 +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/11/t14182922661uy52hqk6bgsofe.htm/, Retrieved Thu, 16 May 2024 20:06:12 +0000

Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=265666, Retrieved Thu, 16 May 2024 20:06:12 +0000

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Original text written by user:

IsPrivate?

No (this computation is public)

User-defined keywords

Estimated Impact

112

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

-     [Survey Scores] [Intrinsic Motivat...] [2010-10-12 11:18:40] [b98453cac15ba1066b407e146608df68]
- RMP   [Survey Scores] [] [2014-10-09 22:08:50] [32b17a345b130fdf5cc88718ed94a974]
- R PD    [Survey Scores] [] [2014-12-10 08:52:21] [99723d3e379f668157309b7b2091b15d]
- RMP         [Cronbach Alpha] [] [2014-12-11 10:04:17] [9cfaa8765546b50e5519e275546e5cfe] [Current]

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Dataseries X:

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Histogram

Boxplots

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

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=265666&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=265666&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=265666&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	0.8463	0.8485	0.8505	0.4829
PERFECTIONISM2 excluded	0.8431	0.8419	0.8255	0.5158
PERFECTIONISM7 excluded	0.8129	0.8161	0.8135	0.4702
PERFECTIONISM8 excluded	0.8196	0.8191	0.8183	0.4752
PERFECTIONISM27 excluded	0.853	0.8572	0.8453	0.5456
PERFECTIONISM29 excluded	0.8041	0.8082	0.8077	0.4573
PERFECTIONISM31 excluded	0.7852	0.7926	0.7824	0.4332

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.8463 & 0.8485 & 0.8505 & 0.4829 \tabularnewline
PERFECTIONISM2 excluded & 0.8431 & 0.8419 & 0.8255 & 0.5158 \tabularnewline
PERFECTIONISM7 excluded & 0.8129 & 0.8161 & 0.8135 & 0.4702 \tabularnewline
PERFECTIONISM8 excluded & 0.8196 & 0.8191 & 0.8183 & 0.4752 \tabularnewline
PERFECTIONISM27 excluded & 0.853 & 0.8572 & 0.8453 & 0.5456 \tabularnewline
PERFECTIONISM29 excluded & 0.8041 & 0.8082 & 0.8077 & 0.4573 \tabularnewline
PERFECTIONISM31 excluded & 0.7852 & 0.7926 & 0.7824 & 0.4332 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=265666&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]0.8463[/C][C]0.8485[/C][C]0.8505[/C][C]0.4829[/C][/ROW]
[ROW][C]PERFECTIONISM2 excluded[/C][C]0.8431[/C][C]0.8419[/C][C]0.8255[/C][C]0.5158[/C][/ROW]
[ROW][C]PERFECTIONISM7 excluded[/C][C]0.8129[/C][C]0.8161[/C][C]0.8135[/C][C]0.4702[/C][/ROW]
[ROW][C]PERFECTIONISM8 excluded[/C][C]0.8196[/C][C]0.8191[/C][C]0.8183[/C][C]0.4752[/C][/ROW]
[ROW][C]PERFECTIONISM27 excluded[/C][C]0.853[/C][C]0.8572[/C][C]0.8453[/C][C]0.5456[/C][/ROW]
[ROW][C]PERFECTIONISM29 excluded[/C][C]0.8041[/C][C]0.8082[/C][C]0.8077[/C][C]0.4573[/C][/ROW]
[ROW][C]PERFECTIONISM31 excluded[/C][C]0.7852[/C][C]0.7926[/C][C]0.7824[/C][C]0.4332[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=265666&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=265666&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	0.8463	0.8485	0.8505	0.4829
PERFECTIONISM2 excluded	0.8431	0.8419	0.8255	0.5158
PERFECTIONISM7 excluded	0.8129	0.8161	0.8135	0.4702
PERFECTIONISM8 excluded	0.8196	0.8191	0.8183	0.4752
PERFECTIONISM27 excluded	0.853	0.8572	0.8453	0.5456
PERFECTIONISM29 excluded	0.8041	0.8082	0.8077	0.4573
PERFECTIONISM31 excluded	0.7852	0.7926	0.7824	0.4332

Parameters (Session):

par1 = TRUE ;

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')

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