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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 computationSun, 14 Dec 2014 09:41:03 +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/14/t1418550068lwybvsjufr7vpaa.htm/, Retrieved Thu, 16 May 2024 18:18:18 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=267359, Retrieved Thu, 16 May 2024 18:18:18 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact124

Tree of Dependent Computations

Family? (F = Feedback message, R = changed R code, M = changed R Module, P = changed Parameters, D = changed Data)
-       [Cronbach Alpha] [] [2014-12-14 09:41:03] [d100ddac424efc880e37824ffef4fe9f] [Current]
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Dataset

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

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'George Udny Yule' @ yule.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 & 'George Udny Yule' @ yule.wessa.net \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=267359&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]'George Udny Yule' @ yule.wessa.net[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=267359&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=267359&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'George Udny Yule' @ yule.wessa.net






Cronbach Alpha and Related Statistics
ItemsCronbach AlphaStd. AlphaG6(smc)Average R
All itmes0.80860.80860.77870.5137
AMS4 excluded0.83420.83490.77840.6276
AMS11 excluded0.73660.73620.66780.482
AMS18 excluded0.71070.71010.63140.4495
AMS25 excluded0.74670.74680.69850.4957

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.8086 & 0.8086 & 0.7787 & 0.5137 \tabularnewline
AMS4 excluded & 0.8342 & 0.8349 & 0.7784 & 0.6276 \tabularnewline
AMS11 excluded & 0.7366 & 0.7362 & 0.6678 & 0.482 \tabularnewline
AMS18 excluded & 0.7107 & 0.7101 & 0.6314 & 0.4495 \tabularnewline
AMS25 excluded & 0.7467 & 0.7468 & 0.6985 & 0.4957 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=267359&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]0.8086[/C][C]0.8086[/C][C]0.7787[/C][C]0.5137[/C][/ROW]
[ROW][C]AMS4 excluded[/C][C]0.8342[/C][C]0.8349[/C][C]0.7784[/C][C]0.6276[/C][/ROW]
[ROW][C]AMS11 excluded[/C][C]0.7366[/C][C]0.7362[/C][C]0.6678[/C][C]0.482[/C][/ROW]
[ROW][C]AMS18 excluded[/C][C]0.7107[/C][C]0.7101[/C][C]0.6314[/C][C]0.4495[/C][/ROW]
[ROW][C]AMS25 excluded[/C][C]0.7467[/C][C]0.7468[/C][C]0.6985[/C][C]0.4957[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=267359&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=267359&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 itmes0.80860.80860.77870.5137
AMS4 excluded0.83420.83490.77840.6276
AMS11 excluded0.73660.73620.66780.482
AMS18 excluded0.71070.71010.63140.4495
AMS25 excluded0.74670.74680.69850.4957


Figures (Output of Computation)

Input Parameters & R Code

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')