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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 12:21:51 +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/t1418300527ow0miz8xspieb2c.htm/, Retrieved Thu, 16 May 2024 14:04:05 +0000

Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=265860, Retrieved Thu, 16 May 2024 14:04:05 +0000

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Original text written by user:

IsPrivate?

No (this computation is public)

User-defined keywords

Estimated Impact

100

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]
-         [Survey Scores] [vraag 1 academic ...] [2014-10-10 10:54:35] [c341f9bcf4df135dba5d5e55978631fd]
-    D      [Survey Scores] [paper kendall tau...] [2014-11-26 14:23:18] [15866c21ed6246d5efde5ff3ba421193]
-    D        [Survey Scores] [cr5] [2014-12-02 11:47:28] [15866c21ed6246d5efde5ff3ba421193]
-    D          [Survey Scores] [cr6] [2014-12-02 11:54:39] [15866c21ed6246d5efde5ff3ba421193]
- RMPD              [Cronbach Alpha] [CRONBACH33] [2014-12-11 12:21:51] [69667246dd207ce9acb00bd9a43352d5] [Current]

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Dataseries X:

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Histogram

Boxplots

6 7 5 5
4 4 4 4
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5 5 5 5
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3 3 3 3
5 6 5 5
7 7 7 7
6 5 7 6
6 6 6 6
6 6 6 6
6 6 5 5
5 7 7 7
6 6 5 6
5 2 1 2
7 6 7 7
4 6 7 7
6 7 7 6
4 5 5 4
5 6 5 6
6 6 6 6
3 5 3 5
6 6 5 6
5 7 4 5
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5 5 5 4
4 6 4 4
6 7 7 7
4 3 6 4
4 6 6 4
6 6 6 6
6 6 5 7
7 4 4 5
5 7 6 6
6 7 6 6
5 7 7 6
6 7 6 7
6 6 6 7
6 6 7 7
1 3 6 4
5 5 4 5
5 6 6 6
6 7 6 6
6 6 5 6
5 5 4 5
4 7 6 6
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5 6 5 5
5 7 4 5
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5 6 6 6
5 6 5 6
5 5 6 5
6 6 5 6
5 7 6 7
5 4 4 4
6 7 7 7
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6 6 6 6
6 7 7 7
4 6 5 7
5 6 6 6
5 7 5 7
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3 6 6 6
6 6 6 5
5 5 4 4
5 7 7 6
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5 5 5 5
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5 6 7 6
4 7 5 7
5 5 4 5
4 7 7 7
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6 7 7 6
5 7 6 6
6 6 7 6
7 7 7 7
6 5 6 6
3 4 4 4
3 5 5 5
6 6 6 6
6 7 7 7
6 7 6 6
7 5 6 6
6 7 7 6
2 6 5 6
5 7 4 7
5 6 4 6
4 6 6 6
6 7 4 6
5 6 6 6
5 6 4 5
4 6 5 5
5 7 6 7
7 7 7 7
5 5 4 5
2 7 6 6
5 5 6 5
6 6 6 7
5 5 4 4
5 6 5 6
5 6 5 5
5 6 5 5
7 6 6 6
4 6 5 5
3 6 6 7
6 7 7 7
4 7 6 6
6 7 6 6
7 7 7 7
6 7 6 6
6 6 6 6
7 6 7 7
4 5 5 5
6 6 5 7
5 7 5 5
6 5 6 6
5 5 6 5
4 6 5 6
5 5 5 5
7 7 6 6
7 7 7 7
5 5 6 7
3 5 5 6
5 6 7 5
4 5 4 5
5 4 6 6
7 7 7 7
4 6 6 6
7 7 7 7
5 6 4 5
3 7 6 7
5 7 7 6
5 5 2 4
6 7 6 4
4 5 5 4
4 6 6 6
5 6 5 5
4 5 5 5
2 6 6 6
6 7 7 7
6 7 7 7
6 6 3 5
7 7 6 6
6 7 6 6
5 6 6 6
4 7 7 6
6 7 7 7
7 7 7 7
6 6 7 7
6 7 7 7
6 6 5 6
7 7 7 7
6 6 5 5
5 6 6 6
6 7 7 7
4 6 5 3
6 5 6 5
5 6 6 6
5 6 7 7
2 4 4 4
3 5 7 6
6 7 7 6
7 7 7 7
5 6 5 6
6 6 6 6
7 7 7 7
6 6 6 6
5 7 7 7
3 6 3 6
4 5 5 5
5 7 7 7
5 7 7 7
4 4 2 2
6 6 6 6
7 7 6 6
NA NA NA NA
NA NA NA NA
NA NA NA NA
NA NA NA NA
4 6 7 6
NA NA NA NA
NA NA NA NA
NA NA NA NA
NA NA NA NA
NA NA NA NA
NA NA NA NA
NA NA NA NA
NA NA NA NA
NA NA NA NA
NA NA NA NA
NA NA NA NA
NA NA NA NA

Summary of computational transaction
Raw Input	view raw input (R code)
Raw Output	view raw output of R engine
Computing time	0 seconds
R Server	'Gwilym Jenkins' @ jenkins.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 & 0 seconds \tabularnewline
R Server & 'Gwilym Jenkins' @ jenkins.wessa.net \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=265860&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]0 seconds[/C][/ROW]
[ROW][C]R Server[/C][C]'Gwilym Jenkins' @ jenkins.wessa.net[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=265860&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=265860&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	0 seconds
R Server	'Gwilym Jenkins' @ jenkins.wessa.net

Cronbach Alpha and Related Statistics
Items	Cronbach Alpha	Std. Alpha	G6(smc)	Average R
All itmes	0.7779	0.7902	0.7616	0.4849
AMS1 excluded	0.8163	0.8213	0.7665	0.6051
AMS8 excluded	0.7113	0.721	0.6633	0.4628
AMS15 excluded	0.7044	0.7238	0.6675	0.4662
AMS22 excluded	0.6588	0.6718	0.5855	0.4055

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.7779 & 0.7902 & 0.7616 & 0.4849 \tabularnewline
AMS1 excluded & 0.8163 & 0.8213 & 0.7665 & 0.6051 \tabularnewline
AMS8 excluded & 0.7113 & 0.721 & 0.6633 & 0.4628 \tabularnewline
AMS15 excluded & 0.7044 & 0.7238 & 0.6675 & 0.4662 \tabularnewline
AMS22 excluded & 0.6588 & 0.6718 & 0.5855 & 0.4055 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=265860&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]0.7779[/C][C]0.7902[/C][C]0.7616[/C][C]0.4849[/C][/ROW]
[ROW][C]AMS1 excluded[/C][C]0.8163[/C][C]0.8213[/C][C]0.7665[/C][C]0.6051[/C][/ROW]
[ROW][C]AMS8 excluded[/C][C]0.7113[/C][C]0.721[/C][C]0.6633[/C][C]0.4628[/C][/ROW]
[ROW][C]AMS15 excluded[/C][C]0.7044[/C][C]0.7238[/C][C]0.6675[/C][C]0.4662[/C][/ROW]
[ROW][C]AMS22 excluded[/C][C]0.6588[/C][C]0.6718[/C][C]0.5855[/C][C]0.4055[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=265860&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=265860&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	0.7779	0.7902	0.7616	0.4849
AMS1 excluded	0.8163	0.8213	0.7665	0.6051
AMS8 excluded	0.7113	0.721	0.6633	0.4628
AMS15 excluded	0.7044	0.7238	0.6675	0.4662
AMS22 excluded	0.6588	0.6718	0.5855	0.4055

Parameters (Session):

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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Dataset

Tables (Output of Computation)

Figures (Output of Computation)

Input Parameters & R Code