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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 computationTue, 09 Dec 2014 14:21:04 +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/09/t1418134888a77i53yfjx5a6gd.htm/, Retrieved Thu, 16 May 2024 08:24:08 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=264656, Retrieved Thu, 16 May 2024 08:24:08 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact114

Tree of Dependent Computations

Family? (F = Feedback message, R = changed R code, M = changed R Module, P = changed Parameters, D = changed Data)
-     [Multiple Regression] [] [2013-11-04 07:18:26] [0307e7a6407eb638caabc417e3a6b260]
- RM    [Multiple Regression] [WS 7 T1] [2014-11-12 12:38:58] [fa1b8827d7de91b8b87087311d3d9fa1]
- RMPD      [Cronbach Alpha] [E3 CA] [2014-12-09 14:21:04] [cbcdb86aef42c1c3276d52a1b1545a9c] [Current]
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Dataset

Dataseries X:
Download CSV
Histogram
Boxplots 
5 6 4 5
7 6 6 6
4 5 5 5
4 5 5 4
5 6 7 6
5 5 5 5
5 5 5 5
6 6 6 6
4 6 4 7
7 7 7 7
1 1 6 2
5 6 5 6
4 5 5 5
6 7 7 7
5 6 6 6
5 6 6 7
6 6 6 6
5 6 7 7
5 6 6 7
5 6 5 5
7 7 7 7
7 7 7 7
5 7 3 7
7 7 6 6
6 6 7 7
4 6 6 5
5 7 7 7
6 6 5 6
5 5 5 5
5 7 6 6
7 6 6 6
5 6 6 7
3 6 5 6
5 7 6 5
5 7 6 6
6 7 6 6
6 6 6 5
2 7 6 6
6 7 5 5
5 5 5 6
4 5 5 4
5 7 6 6
5 4 5 4
5 5 5 6
6 5 6 6
6 6 6 7
6 6 4 6
4 6 6 6
3 7 6 7
5 6 7 6
6 6 6 7
6 6 4 6
5 6 6 7
4 6 5 6
6 6 6 6
6 7 6 6
4 7 6 6
6 7 7 7
6 7 7 7
5 5 6 7
5 6 2 5
5 5 4 6
2 7 7 7
3 7 7 7
5 7 7 7
6 6 2 6
6 6 6 5
7 5 5 5
5 7 5 6
4 4 5 4
5 4 4 7
4 6 6 6
3 6 4 5
3 6 5 5
3 5 6 5
3 4 4 5
6 6 6 6
6 7 7 6
2 4 4 4
5 7 6 7
6 6 5 6
4 5 4 5
4 5 7 6
6 6 7 7
7 7 5 6
7 7 6 6
6 6 7 7
7 6 5 6
5 5 6 6
4 6 5 6
5 5 6 6
7 7 7 7
6 5 5 6
7 7 6 6
5 5 5 5
6 6 6 6
5 5 5 6
5 6 5 7
5 6 7 5
5 6 6 6
5 5 6 6
5 6 6 6
5 6 5 5
7 7 6 7
5 6 6 6
6 6 7 7
6 7 7 7
6 7 7 7
6 5 7 5
2 7 7 7
5 5 7 6
7 7 7 7
5 7 6 6
5 5 5 5
6 6 5 6
4 6 6 6
3 4 3 5
7 7 6 7
4 6 6 7
5 6 6 6
6 4 6 4
6 5 5 2
6 5 6 5
4 5 6 5
5 6 5 5
6 7 6 6
5 5 3 6
5 7 7 6
6 6 6 6
1 7 7 7
7 7 7 7
7 7 4 4
5 6 5 5
3 6 7 7
4 5 5 5
5 5 5 6
5 7 7 6
6 4 6 7
7 7 7 7
5 5 1 3
6 5 6 6
5 6 6 7
6 7 5 7
2 4 5 4
4 5 7 7
5 7 7 7
3 5 7 6
6 7 6 7
2 5 4 4
5 6 6 6
4 4 3 4
1 5 5 5
5 5 5 5
4 5 5 6
4 6 5 5
5 6 5 5
7 7 7 7
2 6 5 6
3 7 4 7
4 7 5 6
7 7 6 7
5 5 5 5
4 4 5 4
6 7 6 7
5 5 6 5
6 6 6 6
6 5 5 5
6 7 5 7
5 6 5 6
2 5 5 5
3 3 5 3
5 6 6 6
7 7 7 7
6 6 6 6
5 6 5 6
6 6 6 6
6 7 6 6
5 6 5 5
4 6 6 6
2 5 4 5
3 5 5 5
6 7 7 7
4 4 4 5
6 7 5 7
6 7 5 6
6 5 5 5
7 4 5 5
4 5 6 4
7 7 6 7
7 7 7 7
4 5 5 5
5 6 6 6
5 6 7 7
5 7 7 7
5 6 7 7
5 7 6 7
6 6 6 6
6 6 6 6
7 6 5 6
4 6 6 6
7 6 2 6
5 6 2 4
5 6 6 6
1 5 6 5
5 7 6 7
5 5 5 4
2 2 2 2
4 4 4 2
4 7 6 5
6 7 6 6
7 7 7 7
4 7 7 7
7 6 6 5
2 3 5 5
7 6 6 6
4 6 7 7
7 7 7 7
7 6 5 6
5 6 7 7
5 6 6 6
7 7 5 7
5 7 7 7
6 6 5 5
5 6 7 7
3 5 6 6
3 7 6 6
5 7 7 7
3 6 5 6
5 7 7 7
6 7 7 6
5 5 6 5
5 5 6 5
4 7 6 7
4 6 6 5
4 5 4 5
5 6 6 6
6 7 7 6
5 6 6 6
6 7 6 6
5 5 5 5
5 6 7 7
5 7 7 7
2 6 5 6
5 5 6 5
5 6 6 6
6 7 5 6
1 3 1 1
4 6 6 6
5 5 5 6
7 7 7 7
6 6 6 6
2 2 5 5
2 5 5 5
6 6 3 5
7 7 7 7
3 7 4 5
6 6 6 6
5 5 5 6
5 6 5 5
6 7 7 6
5 7 6 6
6 6 7 7
6 6 6 7
5 6 6 6
6 6 6 6
6 6 6 6
7 5 7 7
4 6 7 6
4 6 4 6
5 3 4 4
6 6 6 6
5 5 5 5
6 6 6 5
5 6 6 6
5 6 2 5
6 5 5 5
7 7 4 7
5 6 6 6
6 7 6 7
6 7 7 6
7 6 5 6
4 6 7 6
5 6 4 6
6 5 6 6
5 5 5 5
5 6 6 6
5 6 7 6
6 7 5 5
4 4 4 4
5 5 4 4
7 7 7 7
6 7 7 6
3 6 6 6
2 6 6 6
4 6 6 5
5 7 7 7
1 7 1 6
2 6 6 2
5 5 6 5
6 6 7 6
5 6 5 6
4 4 6 5
6 6 6 6
6 7 5 6
6 5 6 6
6 6 5 5
7 7 6 7
6 6 5 5
6 6 6 6
6 6 7 7
6 7 6 7
7 7 7 7
5 5 5 5
5 6 6 6
6 6 6 6
2 7 7 7
6 7 6 7
5 5 5 5
5 7 4 4
3 3 3 3
5 6 5 5
7 7 7 7
6 5 7 6
6 6 6 6
6 6 6 6
6 6 5 5
5 7 7 7
6 6 5 6
5 2 1 2
7 6 7 7
4 6 7 7
6 7 7 6
4 5 5 4
5 6 5 6
6 6 6 6
3 5 3 5
6 6 5 6
5 7 4 5
7 7 7 7
5 5 5 4
4 6 4 4
6 7 7 7
4 3 6 4
4 6 6 4
6 6 6 6
6 6 5 7
7 4 4 5
5 7 6 6
6 7 6 6
5 7 7 6
6 7 6 7
6 6 6 7
6 6 7 7
1 3 6 4
5 5 4 5
5 6 6 6
6 7 6 6
6 6 5 6
5 5 4 5
4 7 6 6
4 7 6 7
5 6 5 5
5 7 4 5
6 7 5 6
5 6 6 6
5 6 5 6
5 5 6 5
6 6 5 6
5 7 6 7
5 4 4 4
6 7 7 7
7 7 7 7
6 6 6 6
6 7 7 7
4 6 5 7
5 6 6 6
5 7 5 7
5 6 7 6
6 7 7 6
3 6 6 6
6 6 6 5
5 5 4 4
5 7 7 6
4 6 7 7
6 7 7 7
5 5 5 5
6 7 6 6
5 6 6 6
4 7 7 7
5 6 7 6
4 7 5 7
5 5 4 5
4 7 7 7
7 7 7 7
6 7 7 6
5 7 6 6
6 6 7 6
7 7 7 7
6 5 6 6
3 4 4 4
3 5 5 5
6 6 6 6
6 7 7 7
6 7 6 6
7 5 6 6
6 7 7 6
2 6 5 6
5 7 4 7
5 6 4 6
4 6 6 6
6 7 4 6
5 6 6 6
5 6 4 5
4 6 5 5
5 7 6 7
7 7 7 7
5 5 4 5
2 7 6 6
5 5 6 5
6 6 6 7
5 5 4 4
5 6 5 6
5 6 5 5
5 6 5 5
7 6 6 6
4 6 5 5
3 6 6 7
6 7 7 7
4 7 6 6
6 7 6 6
7 7 7 7
6 7 6 6
6 6 6 6
7 6 7 7
4 5 5 5
6 6 5 7
5 7 5 5
6 5 6 6
5 5 6 5
4 6 5 6
5 5 5 5
7 7 6 6
7 7 7 7
5 5 6 7
3 5 5 6
5 6 7 5
4 5 4 5
5 4 6 6
7 7 7 7
4 6 6 6
7 7 7 7
5 6 4 5
3 7 6 7
5 7 7 6
5 5 2 4
6 7 6 4
4 5 5 4
4 6 6 6
5 6 5 5
4 5 5 5
2 6 6 6
6 7 7 7
6 7 7 7
6 6 3 5
7 7 6 6
6 7 6 6
5 6 6 6
4 7 7 6
6 7 7 7
7 7 7 7
6 6 7 7
6 7 7 7
6 6 5 6
7 7 7 7
6 6 5 5
5 6 6 6
6 7 7 7
4 6 5 3
6 5 6 5
5 6 6 6
5 6 7 7
2 4 4 4
3 5 7 6
6 7 7 6
7 7 7 7
5 6 5 6
6 6 6 6
7 7 7 7
6 6 6 6
5 7 7 7
3 6 3 6
4 5 5 5
5 7 7 7
5 7 7 7
4 4 2 2
6 6 6 6
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 time2 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 & 2 seconds \tabularnewline
R Server & 'George Udny Yule' @ yule.wessa.net \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=264656&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]2 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=264656&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=264656&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 time2 seconds
R Server'George Udny Yule' @ yule.wessa.net






Cronbach Alpha and Related Statistics
ItemsCronbach AlphaStd. AlphaG6(smc)Average R
All itmes0.75970.7760.74790.4642
AMS1 excluded0.79750.80210.74690.5746
AMS8 excluded0.66920.68580.62440.4211
AMS15 excluded0.71240.73430.67690.4795
AMS22 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 & 0.7597 & 0.776 & 0.7479 & 0.4642 \tabularnewline
AMS1 excluded & 0.7975 & 0.8021 & 0.7469 & 0.5746 \tabularnewline
AMS8 excluded & 0.6692 & 0.6858 & 0.6244 & 0.4211 \tabularnewline
AMS15 excluded & 0.7124 & 0.7343 & 0.6769 & 0.4795 \tabularnewline
AMS22 excluded & 0.6334 & 0.6492 & 0.5624 & 0.3815 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=264656&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]0.7597[/C][C]0.776[/C][C]0.7479[/C][C]0.4642[/C][/ROW]
[ROW][C]AMS1 excluded[/C][C]0.7975[/C][C]0.8021[/C][C]0.7469[/C][C]0.5746[/C][/ROW]
[ROW][C]AMS8 excluded[/C][C]0.6692[/C][C]0.6858[/C][C]0.6244[/C][C]0.4211[/C][/ROW]
[ROW][C]AMS15 excluded[/C][C]0.7124[/C][C]0.7343[/C][C]0.6769[/C][C]0.4795[/C][/ROW]
[ROW][C]AMS22 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=264656&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=264656&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 itmes0.75970.7760.74790.4642
AMS1 excluded0.79750.80210.74690.5746
AMS8 excluded0.66920.68580.62440.4211
AMS15 excluded0.71240.73430.67690.4795
AMS22 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')