Repository of Reproducible Computations

Free Statistics

of Irreproducible Research!

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 14:23:58 +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/t1418826330dwgvltqowpyeier.htm/, Retrieved Sun, 19 May 2024 19:39:32 +0000

Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=270319, Retrieved Sun, 19 May 2024 19:39:32 +0000

QR Codes:

Paste this QR Code to cite your computation.

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] [1) intrinsieke cr...] [2014-12-17 14:23:58] [3c8f34fed408bc4f957cadcbcbd22146] [Current]

Feedback Forum

Post a new message

Dataseries X:

Download CSV

Histogram

Boxplots

4 5 5 6
1 1 2 2
5 3 4 3
4 4 5 5
7 5 5 7
5 6 6 5
6 5 5 5
6 5 6 6
5 5 5 5
5 5 5 5
4 4 5 5
6 6 7 6
4 4 4 4
5 5 5 5
4 4 3 3
4 4 7 7
6 6 7 7
4 4 7 5
6 2 4 5
5 6 5 6
6 4 6 6
5 5 5 5
4 4 5 4
6 5 5 6
3 4 5 5
5 5 6 6
5 5 5 6
6 7 6 6
2 3 3 3
5 5 4 5
6 6 6 6
5 4 4 4
6 4 6 6
6 5 5 6
5 4 4 4
5 7 7 7
4 5 5 5
4 5 5 6
5 4 5 5
6 4 6 5
6 5 6 7
5 5 6 5
4 5 5 5
3 4 2 4
6 6 6 6
7 7 7 7
7 6 7 7
6 5 6 5
6 6 5 6
6 3 4 6
4 4 4 6
6 5 5 7
5 5 5 6
6 5 5 6
4 5 4 4
3 4 4 4
5 6 5 5
5 5 5 5
7 6 6 7
4 5 6 4
7 7 7 7
5 5 5 6
5 4 5 5
5 6 5 6
5 6 5 5
5 5 4 6
5 4 5 5
4 1 2 4
4 5 4 4
6 5 4 4
5 5 5 5
4 5 4 4
6 4 5 6
5 5 5 6
3 3 2 4
4 7 5 7
4 7 5 6
4 6 5 7
4 7 4 6
5 6 5 4
4 5 4 5
3 6 6 6
6 7 5 6
5 5 6 6
7 4 4 5
5 4 4 4
5 5 5 4
4 4 4 4
5 3 5 6
6 6 4 7
2 2 2 2
6 6 4 6
6 6 5 6
4 3 4 4
4 4 4 5
6 7 1 7
5 6 7 7
5 5 5 3
6 6 5 6
5 4 5 6
4 5 7 5
5 6 5 5
6 6 6 6
5 6 5 6
5 5 5 7
5 6 6 6
3 5 4 5
5 2 3 5
7 5 6 6
6 5 5 6
4 6 4 5
4 3 5 6
5 5 5 6
5 5 5 5
6 1 6 6
5 5 4 5
4 4 4 4
4 5 4 5
5 4 7 7
5 6 5 6
5 6 6 6
4 5 6 5
7 6 5 6
6 7 6 6
7 6 6 6
5 5 5 5
5 6 6 6
5 6 5 5
6 5 5 7
7 7 4 5
3 3 2 3
5 5 5 6
7 7 6 7
5 5 3 6
4 6 5 6
4 4 4 4
5 6 6 5
5 4 6 6
5 5 6 6
4 3 3 6
3 5 5 5
7 4 5 7
6 5 7 6
5 5 4 6
5 5 6 4
4 5 5 4
1 1 1 1
3 3 4 4
5 5 6 6
4 4 4 5
3 7 7 6
6 3 5 6
4 4 5 5
5 5 3 6
5 4 5 6
5 3 3 4
6 6 6 6
5 5 5 6
5 4 5 5
5 5 4 5
7 6 7 7
5 6 6 6
6 5 6 6
5 5 5 5
5 3 5 4
5 5 6 5
6 6 6 5
6 5 5 6
4 4 3 5
5 5 5 5
3 4 5 4
5 4 7 5
5 5 4 5
7 6 7 7
2 2 2 7
5 3 5 4
6 5 2 5
5 5 5 5
5 5 6 6
4 4 5 5
3 1 1 1
6 5 6 5
3 4 5 3
6 5 4 4
4 4 4 5
6 4 6 6
2 3 2 3
5 5 4 7
5 4 6 6
5 5 6 7
5 4 4 5
5 5 5 5
6 7 7 7
5 1 1 6
5 5 5 5
5 4 5 6
6 6 5 5
4 5 6 5
6 5 6 7
6 5 6 6
5 2 6 6
4 5 6 7
7 6 6 5
5 5 6 5
5 4 5 5
5 4 5 6
2 2 6 6
4 1 6 6
6 6 6 7
5 3 3 5
6 5 6 6
6 4 5 5
6 6 6 5
6 5 5 6
3 4 5 3
4 4 4 4
5 5 5 5
5 5 6 7
6 6 6 6
5 2 3 7
4 6 4 5
6 6 7 6
2 3 5 4
5 4 4 5
6 5 5 6
5 4 3 3
7 6 7 7
5 5 7 5
7 7 6 6
4 5 3 4
7 6 7 5
4 4 6 6
5 5 5 4
2 6 5 6
6 5 7 6
5 3 3 3
4 4 5 5
4 2 2 5
5 5 4 5
6 6 7 6
5 5 5 5
5 4 4 4
5 4 4 4
3 4 2 4
5 5 5 5
5 5 4 6
6 4 7 7
7 5 6 7
5 2 5 7
5 5 5 5
5 4 5 6
5 5 6 6
5 4 4 5
5 5 5 6
5 5 5 5
2 2 3 4
4 5 4 5
5 6 5 6
4 5 5 7
3 3 5 4
4 5 7 7
4 5 6 3
5 5 6 7
5 4 5 5
5 5 7 6
7 7 6 6
4 3 6 6
6 6 7 7
4 4 6 6
5 5 5 5
5 6 6 6
6 6 6 6
7 6 6 7
5 5 7 6
5 5 4 5
7 7 6 5
5 6 6 6
5 3 5 6
6 7 7 7
7 5 6 5
6 6 6 6
5 5 5 5
4 4 3 5
6 5 5 6
6 7 6 7
6 6 7 7
6 6 6 6
5 5 5 5
5 5 5 5
4 4 2 2
5 5 5 6
7 6 7 7
6 7 6 7
5 3 5 4
5 5 5 5
5 5 5 3
7 7 7 7
6 5 6 7
6 6 6 6
6 6 6 6
3 3 3 3
7 6 6 7
6 6 6 5
3 2 3 5
6 6 5 6
3 3 4 6
6 5 6 6
3 5 5 5
7 6 6 6
5 4 4 5
5 3 4 6
5 5 5 6
1 1 1 4
7 5 3 4
5 6 5 5
3 3 6 5
5 5 6 6
2 4 5 4
5 5 5 5
3 5 6 5
3 3 2 2
5 5 3 5
6 6 6 7
5 6 6 6
7 6 6 6
6 5 6 6
4 5 5 7
6 6 6 5
5 4 5 5
5 6 6 5
6 6 6 5
4 3 4 4
5 6 5 7
6 6 5 6
6 6 6 6
6 4 5 5
6 6 5 6
5 6 6 7
5 3 4 5
5 5 6 5
6 5 4 4
6 6 6 5
7 2 7 6
3 3 4 4
4 3 6 6
2 5 7 7
5 6 6 6
3 3 5 5
5 5 6 7
4 5 6 4
5 4 4 6
5 5 5 7
6 7 6 7
7 5 5 5
7 5 6 6
5 5 7 7
3 3 3 2
5 5 5 6
6 4 5 6
5 5 6 6
5 6 5 6
5 4 4 6
4 5 4 5
5 4 4 6
7 7 6 7
3 3 4 4
3 2 5 5
4 5 5 6
6 5 5 6
6 6 7 7
5 5 5 5
4 4 1 4
6 6 7 7
5 4 5 5
5 5 5 5
3 5 5 5
4 4 5 7
4 6 6 5
7 7 5 7
6 6 6 7
4 6 4 6
NA NA NA NA
NA NA NA NA
NA NA NA NA
NA NA NA NA
5 5 5 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	1 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 & 1 seconds \tabularnewline
R Server & 'Gwilym Jenkins' @ jenkins.wessa.net \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=270319&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' @ jenkins.wessa.net[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=270319&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=270319&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' @ jenkins.wessa.net

Cronbach Alpha and Related Statistics
Items	Cronbach Alpha	Std. Alpha	G6(smc)	Average R
All itmes	0.8041	0.805	0.7605	0.5078
AMS2I1 excluded	0.7608	0.7623	0.685	0.5167
AMS9I1 excluded	0.7582	0.7598	0.6817	0.5132
AMS16I1 excluded	0.7473	0.7483	0.666	0.4977
AMS23I1 excluded	0.7527	0.7528	0.6714	0.5037

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.8041 & 0.805 & 0.7605 & 0.5078 \tabularnewline
AMS2I1 excluded & 0.7608 & 0.7623 & 0.685 & 0.5167 \tabularnewline
AMS9I1 excluded & 0.7582 & 0.7598 & 0.6817 & 0.5132 \tabularnewline
AMS16I1 excluded & 0.7473 & 0.7483 & 0.666 & 0.4977 \tabularnewline
AMS23I1 excluded & 0.7527 & 0.7528 & 0.6714 & 0.5037 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=270319&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]0.8041[/C][C]0.805[/C][C]0.7605[/C][C]0.5078[/C][/ROW]
[ROW][C]AMS2I1 excluded[/C][C]0.7608[/C][C]0.7623[/C][C]0.685[/C][C]0.5167[/C][/ROW]
[ROW][C]AMS9I1 excluded[/C][C]0.7582[/C][C]0.7598[/C][C]0.6817[/C][C]0.5132[/C][/ROW]
[ROW][C]AMS16I1 excluded[/C][C]0.7473[/C][C]0.7483[/C][C]0.666[/C][C]0.4977[/C][/ROW]
[ROW][C]AMS23I1 excluded[/C][C]0.7527[/C][C]0.7528[/C][C]0.6714[/C][C]0.5037[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=270319&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=270319&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	0.8041	0.805	0.7605	0.5078
AMS2I1 excluded	0.7608	0.7623	0.685	0.5167
AMS9I1 excluded	0.7582	0.7598	0.6817	0.5132
AMS16I1 excluded	0.7473	0.7483	0.666	0.4977
AMS23I1 excluded	0.7527	0.7528	0.6714	0.5037

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')

Free Statistics

Description of Statistical Computation

Tree of Dependent Computations

Dataset

Tables (Output of Computation)

Figures (Output of Computation)

Input Parameters & R Code