FreeStatistics.org

Free Statistics

of Irreproducible Research!

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 computationTue, 16 Dec 2014 10:06:08 +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/16/t1418724383xw02gkns0b9tf3e.htm/, Retrieved Thu, 16 May 2024 11:17:34 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=269242, Retrieved Thu, 16 May 2024 11:17:34 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact78

Tree of Dependent Computations

Family? (F = Feedback message, R = changed R code, M = changed R Module, P = changed Parameters, D = changed Data)
-       [Cronbach Alpha] [] [2014-12-16 10:06:08] [7de19aadd459682308988067914fc05d] [Current]
Feedback Forum

Post a new message

Dataset

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

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'Gertrude Mary Cox' @ cox.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 & 'Gertrude Mary Cox' @ cox.wessa.net \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=269242&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]'Gertrude Mary Cox' @ cox.wessa.net[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=269242&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=269242&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'Gertrude Mary Cox' @ cox.wessa.net






Cronbach Alpha and Related Statistics
ItemsCronbach AlphaStd. AlphaG6(smc)Average R
All itmes0.54030.55030.51630.2343
AMS1 excluded0.45050.45880.40740.2203
AMS8 excluded0.34930.34560.27740.1497
AMS15 excluded0.39690.40610.35320.1856
AMS23 excluded0.63340.64920.56240.3815

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.5403 & 0.5503 & 0.5163 & 0.2343 \tabularnewline
AMS1 excluded & 0.4505 & 0.4588 & 0.4074 & 0.2203 \tabularnewline
AMS8 excluded & 0.3493 & 0.3456 & 0.2774 & 0.1497 \tabularnewline
AMS15 excluded & 0.3969 & 0.4061 & 0.3532 & 0.1856 \tabularnewline
AMS23 excluded & 0.6334 & 0.6492 & 0.5624 & 0.3815 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=269242&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]0.5403[/C][C]0.5503[/C][C]0.5163[/C][C]0.2343[/C][/ROW]
[ROW][C]AMS1 excluded[/C][C]0.4505[/C][C]0.4588[/C][C]0.4074[/C][C]0.2203[/C][/ROW]
[ROW][C]AMS8 excluded[/C][C]0.3493[/C][C]0.3456[/C][C]0.2774[/C][C]0.1497[/C][/ROW]
[ROW][C]AMS15 excluded[/C][C]0.3969[/C][C]0.4061[/C][C]0.3532[/C][C]0.1856[/C][/ROW]
[ROW][C]AMS23 excluded[/C][C]0.6334[/C][C]0.6492[/C][C]0.5624[/C][C]0.3815[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=269242&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=269242&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 itmes0.54030.55030.51630.2343
AMS1 excluded0.45050.45880.40740.2203
AMS8 excluded0.34930.34560.27740.1497
AMS15 excluded0.39690.40610.35320.1856
AMS23 excluded0.63340.64920.56240.3815


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')