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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, 02 Dec 2014 13:25:11 +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/02/t1417526718hox9x8tggwgldeb.htm/, Retrieved Thu, 16 May 2024 10:38:25 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=262600, Retrieved Thu, 16 May 2024 10:38:25 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact87

Tree of Dependent Computations

Family? (F = Feedback message, R = changed R code, M = changed R Module, P = changed Parameters, D = changed Data)
-     [Cronbach Alpha] [Intrinsic Motivat...] [2010-10-12 11:40:37] [b98453cac15ba1066b407e146608df68]
- R  D  [Cronbach Alpha] [] [2011-10-18 12:27:58] [b98453cac15ba1066b407e146608df68]
- RMP     [Cronbach Alpha] [WS3 question 2] [2014-10-15 16:15:34] [a6b2572b29932aa41ecec373f1b28823]
-    D      [Cronbach Alpha] [] [2014-12-02 12:47:53] [80a885d02035c87be624c190e38c794d]
-    D        [Cronbach Alpha] [] [2014-12-02 13:08:14] [80a885d02035c87be624c190e38c794d]
-    D            [Cronbach Alpha] [] [2014-12-02 13:25:11] [4b67a948f2e7df32913e04ba402e80f8] [Current]
-    D              [Cronbach Alpha] [] [2014-12-02 13:34:13] [80a885d02035c87be624c190e38c794d]
-    D                [Cronbach Alpha] [] [2014-12-02 13:38:27] [80a885d02035c87be624c190e38c794d]
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Dataset

Dataseries X:
Download CSV
Histogram
Boxplots 
7	5	6	5
4	4	4	4
6	6	6	7
7	5	1	2
6	7	6	6
6	5	5	6
2	7	5	5
5	6	6	5
6	6	6	6
1	1	1	7
7	5	6	6
6	6	6	5
7	6	5	4
5	6	6	5
6	6	7	7
6	6	6	6
6	5	5	7
7	6	6	7
7	7	7	6
7	7	7	7
5	5	5	6
6	6	6	5
7	6	6	6
5	6	5	7
6	6	5	5
6	6	5	6
5	5	6	6
7	7	6	7
7	7	7	3
7	5	6	6
7	6	5	2
4	5	4	6
6	7	5	5
6	5	4	6
7	6	7	7
7	1	5	6
6	6	6	7
6	6	6	7
7	5	6	6
7	7	5	7
5	5	4	7
5	6	5	6
6	7	6	7
6	6	6	2
5	4	6	6
5	6	5	5
7	7	7	7
6	6	6	6
2	5	6	6
6	6	5	6
7	7	4	7
7	7	6	7
4	5	5	4
7	7	6	6
4	6	2	2
6	6	6	7
5	5	6	7
6	6	6	6
5	6	4	5
5	5	5	4
7	7	6	5
5	5	4	5
6	6	6	5
6	5	5	7
5	4	2	6
5	6	7	6
6	6	4	6
5	5	5	5
7	6	5	5
5	6	5	6
4	5	5	6
5	6	5	7
6	6	5	5
5	7	6	3
6	5	5	6
7	7	7	5
7	7	3	7
7	7	7	7
7	4	6	7
7	6	6	7
5	5	5	5
7	6	6	7
5	6	5	5
6	7	6	7
6	6	5	5
6	6	4	5
6	6	7	6
6	7	5	7
6	6	6	5
7	7	6	7
4	6	6	7
7	7	7	7
6	6	6	6
4	7	5	5
6	5	6	6
5	5	6	5
7	6	6	5
7	7	7	7
2	5	2	2
6	7	6	6
6	7	7	5
7	7	7	7
7	7	7	7
2	5	6	6
7	7	7	4
6	7	6	6
7	7	5	6
7	7	7	7
7	6	6	7
7	7	6	7
6	6	6	6
3	3	6	6
6	5	5	5
5	6	6	6
7	4	6	7
6	7	7	6
7	6	6	6
5	7	5	6
6	6	6	6
5	6	4	5
7	7	5	7
7	7	6	7
6	7	3	5
7	6	3	5
6	4	4	5
7	7	4	7
5	6	6	6
6	7	6	6
7	7	6	6
4	5	5	4
7	7	7	6
6	7	4	6
5	5	4	6
6	5	5	6
5	6	5	6
7	5	7	4
4	4	5	5
7	6	6	6
6	5	5	5
6	4	6	5
7	7	7	7
2	7	4	6
5	7	4	5
5	5	6	7
6	4	6	6
7	6	7	7
6	5	6	6
7	7	6	7
4	7	5	7
6	6	5	4
5	6	5	6
7	6	7	6
5	6	6	6
7	7	6	6
7	7	7	7
7	7	7	7
7	6	6	7
6	6	6	6
4	7	6	6
7	7	7	7
5	6	5	5
7	7	7	7
6	6	4	5
7	7	7	7
5	6	7	6
7	6	6	5
7	7	7	7
6	5	5	5
7	7	6	6
6	6	6	4
6	6	7	6
7	5	3	5
5	5	5	4
6	6	5	6
7	5	7	7
7	7	7	7
6	6	6	6
6	7	6	6
6	6	6	6
6	6	6	7
7	7	6	7
7	7	7	7
7	5	5	6
6	6	2	5
7	7	6	7
2	5	3	5
7	7	6	7
6	5	5	5
6	7	7	6
6	7	6	6
6	7	7	6
5	6	6	7
6	6	6	7
7	7	6	7
4	4	3	3
6	6	6	6
7	6	6	6
7	4	6	6
7	6	5	6
6	6	5	5
4	7	1	4
7	7	6	6
7	6	6	7
4	4	6	5
5	5	4	5
7	7	7	7
7	6	5	6
5	4	4	7
5	6	6	4
7	7	6	6
6	6	6	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'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=262600&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=262600&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=262600&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 itmes0.67930.6770.62240.3438
MS3 excluded0.58780.58420.49830.3189
S10 excluded0.64450.64360.55360.3757
S17 excluded0.55190.55140.46050.2906
S24 excluded0.65660.65730.56310.39

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.6793 & 0.677 & 0.6224 & 0.3438 \tabularnewline
MS3 excluded & 0.5878 & 0.5842 & 0.4983 & 0.3189 \tabularnewline
S10 excluded & 0.6445 & 0.6436 & 0.5536 & 0.3757 \tabularnewline
S17 excluded & 0.5519 & 0.5514 & 0.4605 & 0.2906 \tabularnewline
S24 excluded & 0.6566 & 0.6573 & 0.5631 & 0.39 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=262600&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]0.6793[/C][C]0.677[/C][C]0.6224[/C][C]0.3438[/C][/ROW]
[ROW][C]MS3 excluded[/C][C]0.5878[/C][C]0.5842[/C][C]0.4983[/C][C]0.3189[/C][/ROW]
[ROW][C]S10 excluded[/C][C]0.6445[/C][C]0.6436[/C][C]0.5536[/C][C]0.3757[/C][/ROW]
[ROW][C]S17 excluded[/C][C]0.5519[/C][C]0.5514[/C][C]0.4605[/C][C]0.2906[/C][/ROW]
[ROW][C]S24 excluded[/C][C]0.6566[/C][C]0.6573[/C][C]0.5631[/C][C]0.39[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=262600&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=262600&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 itmes0.67930.6770.62240.3438
MS3 excluded0.58780.58420.49830.3189
S10 excluded0.64450.64360.55360.3757
S17 excluded0.55190.55140.46050.2906
S24 excluded0.65660.65730.56310.39


Figures (Output of Computation)

Input Parameters & R Code

Parameters (Session):
par1 = 1 2 3 4 5 6 7 ;
Parameters (R input):
par1 = 1 2 3 4 5 6 7 ;
R code (references can be found in the software module):
library(psych)
z <- t(y)
(r <- alpha(z))
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')