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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, 10 Dec 2014 18:52:50 +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/10/t1418237575ipqu32qxrwq0jim.htm/, Retrieved Wed, 29 May 2024 02:32:03 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=265578, Retrieved Wed, 29 May 2024 02:32:03 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact45

Tree of Dependent Computations

Family? (F = Feedback message, R = changed R code, M = changed R Module, P = changed Parameters, D = changed Data)
-       [Cronbach Alpha] [] [2014-12-10 18:52:50] [bcb5b2244e18c223160d6809eb45aeed] [Current]
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Dataset

Dataseries X:
Download CSV
Histogram
Boxplots 
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

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'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=265578&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=265578&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=265578&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'Sir Ronald Aylmer Fisher' @ fisher.wessa.net






Cronbach Alpha and Related Statistics
ItemsCronbach AlphaStd. AlphaG6(smc)Average R
All itmes0.80070.80020.76930.5003
AMS4 excluded0.8210.82150.75980.6054
AMS11 excluded0.74540.74460.67940.4929
AMS18 excluded0.70680.70650.62960.4451
AMS25 excluded0.71780.71690.660.4577

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.8007 & 0.8002 & 0.7693 & 0.5003 \tabularnewline
AMS4 excluded & 0.821 & 0.8215 & 0.7598 & 0.6054 \tabularnewline
AMS11 excluded & 0.7454 & 0.7446 & 0.6794 & 0.4929 \tabularnewline
AMS18 excluded & 0.7068 & 0.7065 & 0.6296 & 0.4451 \tabularnewline
AMS25 excluded & 0.7178 & 0.7169 & 0.66 & 0.4577 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=265578&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]0.8007[/C][C]0.8002[/C][C]0.7693[/C][C]0.5003[/C][/ROW]
[ROW][C]AMS4 excluded[/C][C]0.821[/C][C]0.8215[/C][C]0.7598[/C][C]0.6054[/C][/ROW]
[ROW][C]AMS11 excluded[/C][C]0.7454[/C][C]0.7446[/C][C]0.6794[/C][C]0.4929[/C][/ROW]
[ROW][C]AMS18 excluded[/C][C]0.7068[/C][C]0.7065[/C][C]0.6296[/C][C]0.4451[/C][/ROW]
[ROW][C]AMS25 excluded[/C][C]0.7178[/C][C]0.7169[/C][C]0.66[/C][C]0.4577[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=265578&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=265578&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 itmes0.80070.80020.76930.5003
AMS4 excluded0.8210.82150.75980.6054
AMS11 excluded0.74540.74460.67940.4929
AMS18 excluded0.70680.70650.62960.4451
AMS25 excluded0.71780.71690.660.4577


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')