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Description of Statistical Computation

Author's title

Author*The author of this computation has been verified*
R Software Modulerwasp_cronbach.wasp
Title produced by softwareCronbach Alpha
Date of computationWed, 17 Dec 2014 14:32:31 +0000
Cite this page as followsStatistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?v=date/2014/Dec/17/t1418826755k9hzxmcm38zbfph.htm/, Retrieved Thu, 16 May 2024 10:18:57 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=270335, Retrieved Thu, 16 May 2024 10:18:57 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact48

Tree of Dependent Computations

Family? (F = Feedback message, R = changed R code, M = changed R Module, P = changed Parameters, D = changed Data)
-       [Cronbach Alpha] [3] [2014-12-17 14:32:31] [3c8f34fed408bc4f957cadcbcbd22146] [Current]
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Dataset

Dataseries X:
Download CSV
Histogram
Boxplots 
4 3 4 4
1 1 1 1
3 2 2 2
4 4 4 6
3 4 2 3
6 2 3 6
4 3 3 2
6 4 3 3
4 5 4 4
4 3 3 4
4 3 3 3
5 5 5 5
4 4 4 4
5 3 3 4
2 3 2 3
4 4 4 4
5 5 6 5
3 4 4 4
6 2 4 4
5 4 5 5
2 4 1 2
5 4 5 5
2 2 1 2
7 5 5 6
3 3 4 4
4 2 2 2
4 4 4 4
4 2 2 4
3 2 2 3
3 2 1 1
4 6 5 5
3 2 2 2
3 5 2 4
5 2 2 3
4 2 2 2
3 5 4 7
4 4 4 4
1 2 3 5
5 3 2 5
3 4 4 3
3 3 3 2
2 5 3 4
4 4 3 4
1 2 2 2
5 6 5 6
5 6 4 4
7 4 4 7
2 5 2 2
4 5 5 5
2 2 2 3
2 3 3 3
5 5 3 4
3 2 2 5
5 4 4 4
3 2 2 3
6 5 3 3
4 2 3 4
4 2 2 3
4 6 6 3
3 6 6 6
7 6 5 6
4 3 3 3
4 4 4 4
3 3 3 4
3 4 4 4
5 3 3 4
2 3 2 4
1 2 1 3
3 4 3 3
5 3 2 3
3 3 2 4
2 3 2 1
1 2 2 2
4 4 4 5
4 1 2 2
5 4 4 5
5 4 4 4
5 4 4 4
5 4 4 5
3 4 3 2
3 4 4 3
3 6 6 7
3 6 5 5
6 4 6 5
3 3 2 2
4 4 4 4
5 2 2 2
4 4 3 4
2 3 3 4
5 5 5 6
6 7 6 3
5 5 5 5
5 4 3 3
3 2 2 2
5 4 3 3
5 3 4 2
3 2 2 4
1 2 2 4
6 4 3 5
4 3 2 3
4 2 1 4
3 4 3 4
3 3 1 3
5 5 4 4
4 2 1 4
2 3 4 5
2 4 4 6
2 3 2 4
4 2 1 1
2 5 4 5
2 4 3 4
3 3 3 3
4 4 5 4
5 6 6 6
4 2 3 5
3 2 2 3
4 4 4 4
3 2 2 4
4 4 4 4
5 5 4 5
4 4 4 5
3 3 3 3
5 3 3 6
4 4 2 1
4 5 5 5
4 3 2 3
2 2 2 2
5 4 3 5
5 4 2 2
6 4 2 5
4 1 1 1
6 6 5 6
6 4 4 4
4 3 2 4
5 3 4 5
3 3 3 4
3 3 2 5
2 2 3 1
4 4 3 5
5 3 3 3
3 2 6 2
5 5 5 4
3 4 3 5
5 3 3 4
1 2 2 3
5 3 2 4
3 1 2 1
2 2 4 3
5 3 4 5
4 5 4 6
6 4 3 4
3 2 2 5
3 3 3 3
4 5 4 5
4 4 4 4
6 3 3 3
5 5 5 5
5 4 3 4
3 4 3 2
4 3 1 2
7 7 7 7
4 4 5 6
5 4 4 5
4 5 5 5
2 1 1 4
3 4 5 5
5 4 3 4
5 4 4 5
3 4 2 3
4 4 4 5
2 5 4 2
5 4 4 5
0 4 5 4
1 1 2 2
2 5 1 2
5 2 2 3
2 4 2 2
6 3 2 2
3 4 4 4
2 3 1 2
1 1 1 1
1 1 1 1
2 2 2 3
3 2 2 3
3 4 3 2
6 5 5 5
3 1 1 1
4 2 2 3
3 5 5 4
4 1 1 4
5 4 3 4
3 3 3 3
3 2 4 3
4 1 1 5
3 3 3 5
3 1 2 5
5 5 4 5
4 4 4 4
5 5 5 6
3 5 4 4
4 1 4 2
2 5 2 3
3 2 2 1
3 2 2 2
4 4 3 3
2 3 3 5
1 1 2 3
6 5 1 5
4 1 2 1
3 2 2 2
2 5 4 4
2 3 3 3
2 7 6 5
3 2 4 4
1 2 2 2
2 2 1 3
5 5 5 5
2 4 4 5
5 4 5 5
6 1 5 5
5 6 3 4
4 5 5 5
2 1 1 1
2 2 3 4
4 3 2 4
3 1 2 2
4 6 5 4
3 2 4 5
4 7 7 6
3 3 2 3
3 1 4 4
4 1 1 3
2 3 3 2
7 5 5 5
5 4 4 5
3 2 2 1
3 4 4 4
4 2 2 2
2 2 2 4
5 5 5 5
4 4 4 5
3 3 3 3
4 5 4 4
3 3 2 2
6 3 2 4
3 3 4 4
1 3 2 2
4 4 4 5
1 5 2 2
6 3 3 4
3 3 3 4
4 4 5 4
4 4 4 4
3 4 3 3
3 4 3 4
2 1 1 2
4 4 4 4
6 3 3 6
3 4 5 4
5 4 3 3
4 4 5 5
5 4 6 5
5 4 5 5
4 5 3 4
3 3 2 3
7 6 6 5
3 3 3 4
5 4 3 5
4 4 3 3
2 4 5 5
3 5 5 5
4 5 3 4
4 3 4 5
4 1 2 2
2 1 1 1
4 3 2 2
2 2 4 2
4 4 4 4
4 3 4 6
4 4 3 4
3 3 1 6
4 3 2 3
2 4 4 2
4 4 4 4
4 6 6 6
5 6 3 5
6 6 6 5
1 1 2 2
6 4 5 4
1 3 1 2
2 3 2 2
5 4 3 4
6 5 4 4
3 1 1 3
4 4 3 4
3 2 2 3
4 5 4 5
4 4 5 6
3 3 4 2
4 5 4 3
3 3 3 3
4 5 5 6
4 5 5 5
4 2 1 3
4 4 4 4
3 3 3 3
4 3 5 3
5 3 5 2
4 5 4 4
3 3 3 4
4 3 4 3
4 4 5 5
1 1 1 1
4 3 2 2
2 5 2 1
2 1 2 2
5 4 5 6
2 3 4 1
3 5 5 5
4 2 3 5
4 3 2 2
3 4 2 3
4 4 4 4
5 5 4 5
5 5 3 5
4 5 4 3
2 4 2 1
5 3 3 4
4 3 3 4
4 5 5 3
6 2 3 3
2 3 3 3
6 2 2 1
4 5 5 5
6 6 6 7
6 4 5 5
5 2 4 4
4 5 4 4
4 3 2 3
4 3 1 2
7 6 6 5
4 6 4 2
5 1 1 2
4 3 4 5
2 1 2 3
5 1 4 1
5 3 3 2
5 3 3 3
5 2 1 4
3 4 3 4
4 4 4 4
4 5 4 6
5 3 3 6
5 4 5 6
3 3 2 3
5 5 4 5
2 1 1 2
4 4 4 4
5 3 3 3
4 4 2 4
4 3 4 5
3 3 2 3
5 4 2 3
4 4 4 4
6 5 5 6
2 2 1 2
4 5 4 4
4 5 3 4
4 5 4 5
6 5 5 6
2 4 4 3
4 4 2 1
5 5 4 5
5 3 3 3
4 3 3 5
4 4 4 3
1 5 4 5
5 3 2 5
5 5 4 5
5 6 5 6
3 5 5 5
NA NA NA NA
NA NA NA NA
NA NA NA NA
NA NA NA NA
4 2 2 2
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

Tables (Output of Computation)





Summary of computational transaction
Raw Inputview raw input (R code)
Raw Outputview raw output of R engine
Computing time1 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=270335&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=270335&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=270335&T=0

As an alternative you can also use a QR Code:  
QR Code


The GUIDs for individual cells are displayed in the table below:

Summary of computational transaction
Raw Inputview raw input (R code)
Raw Outputview raw output of R engine
Computing time1 seconds
R Server'Gwilym Jenkins' @ jenkins.wessa.net






Cronbach Alpha and Related Statistics
ItemsCronbach AlphaStd. AlphaG6(smc)Average R
All itmes0.8020.80190.77130.5031
AMS4I3 excluded0.8240.82460.76630.6105
AMS11I3 excluded0.7350.73460.6650.4799
AMS18I3 excluded0.70410.70360.62210.4417
AMS25I3 excluded0.73480.73480.68360.4801

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.802 & 0.8019 & 0.7713 & 0.5031 \tabularnewline
AMS4I3 excluded & 0.824 & 0.8246 & 0.7663 & 0.6105 \tabularnewline
AMS11I3 excluded & 0.735 & 0.7346 & 0.665 & 0.4799 \tabularnewline
AMS18I3 excluded & 0.7041 & 0.7036 & 0.6221 & 0.4417 \tabularnewline
AMS25I3 excluded & 0.7348 & 0.7348 & 0.6836 & 0.4801 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=270335&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]0.802[/C][C]0.8019[/C][C]0.7713[/C][C]0.5031[/C][/ROW]
[ROW][C]AMS4I3 excluded[/C][C]0.824[/C][C]0.8246[/C][C]0.7663[/C][C]0.6105[/C][/ROW]
[ROW][C]AMS11I3 excluded[/C][C]0.735[/C][C]0.7346[/C][C]0.665[/C][C]0.4799[/C][/ROW]
[ROW][C]AMS18I3 excluded[/C][C]0.7041[/C][C]0.7036[/C][C]0.6221[/C][C]0.4417[/C][/ROW]
[ROW][C]AMS25I3 excluded[/C][C]0.7348[/C][C]0.7348[/C][C]0.6836[/C][C]0.4801[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=270335&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=270335&T=1

As an alternative you can also use a QR Code:  
QR Code


The GUIDs for individual cells are displayed in the table below:

Cronbach Alpha and Related Statistics
ItemsCronbach AlphaStd. AlphaG6(smc)Average R
All itmes0.8020.80190.77130.5031
AMS4I3 excluded0.8240.82460.76630.6105
AMS11I3 excluded0.7350.73460.6650.4799
AMS18I3 excluded0.70410.70360.62210.4417
AMS25I3 excluded0.73480.73480.68360.4801


Figures (Output of Computation)

Input Parameters & R Code

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')