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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, 17 Dec 2014 15:59:50 +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/17/t14188319970bikouwxczwoxg5.htm/, Retrieved Thu, 16 May 2024 19:26:26 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=270463, Retrieved Thu, 16 May 2024 19:26:26 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact81

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 11:42:57] [b98453cac15ba1066b407e146608df68]
- RMPD    [Cronbach Alpha] [] [2014-12-17 15:59:50] [1d338d9433eb3ecdb4d9d35f41140a45] [Current]
-    D      [Cronbach Alpha] [] [2014-12-17 16:07:05] [8d160a85bfd9526a7d0e42afc5fb569b]
-  M          [Cronbach Alpha] [] [2014-12-17 16:09:43] [8d160a85bfd9526a7d0e42afc5fb569b]
-  M D          [Cronbach Alpha] [] [2014-12-17 16:15:57] [8d160a85bfd9526a7d0e42afc5fb569b]
-  M D          [Cronbach Alpha] [] [2014-12-17 17:50:11] [8d160a85bfd9526a7d0e42afc5fb569b]
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Dataset

Dataseries X:
Download CSV
Histogram
Boxplots 
5	5	4	4
7	6	5	5
5	6	5	6
6	5	5	6
5	5	5	4
7	7	6	5
7	7	7	7
3	5	3	5
7	7	7	7
6	5	4	6
5	5	6	6
7	6	5	6
5	7	6	6
7	7	6	6
7	7	7	7
6	6	6	6
6	6	5	3
7	7	6	6
4	6	6	5
7	7	7	7
7	7	6	7
6	5	6	6
6	6	6	6
7	6	4	7
6	6	5	5
5	5	5	6
7	4	7	7
6	5	4	5
4	6	6	5
7	6	6	7
6	6	5	6
6	5	5	5
7	7	6	7
7	6	6	6
6	5	6	6
6	7	6	6
7	7	3	6
5	6	4	4
4	7	5	6
5	7	6	6
5	5	4	5
3	6	6	6
7	7	7	6
6	7	6	6
5	7	6	7
4	6	7	6
5	5	3	4
7	7	7	7
5	6	7	7
5	5	5	5
6	6	7	6
6	4	5	6
6	6	6	6
7	7	7	7
5	6	4	5
4	5	5	5
6	6	6	6
6	5	5	5
7	5	6	6
6	6	5	6
4	5	3	6
6	7	7	7
5	6	7	7
5	5	4	6
5	5	6	5
6	6	5	6
7	7	7	6
6	5	6	7
6	7	7	7
6	7	6	5
6	5	6	6
6	7	5	6
5	6	5	5
5	6	6	6
7	7	7	6
6	6	6	6
6	6	6	7
5	5	4	5
6	6	6	6
7	6	6	6
7	5	6	5
6	6	5	6
6	6	7	6
7	6	7	6
6	7	6	7
3	3	4	6
5	6	6	6
7	6	6	7
6	7	5	7
6	6	5	6
7	6	7	6
6	6	5	5
6	7	3	4
6	7	7	7
4	6	4	6
6	6	5	5
6	6	6	6
6	5	5	5
7	7	5	5
7	6	7	6
7	4	6	7
7	6	6	5
7	7	6	7
7	7	4	7
7	7	7	6
5	5	4	5
4	7	4	7
5	5	5	7
7	6	6	6
6	6	5	6
3	7	7	7
6	6	6	6
6	6	5	6
5	5	6	6
7	7	4	6
3	6	5	5
6	6	6	7
6	7	7	6
4	4	4	6
6	6	6	6
7	7	7	7
6	6	5	6
3	4	6	6
6	5	4	4
7	7	6	7
6	6	6	6
7	7	7	5
5	4	7	5
7	7	4	7
7	7	7	7
4	5	4	6
6	4	5	5
6	6	7	7
7	7	7	6
6	6	5	6
4	5	4	5
6	7	6	4
6	5	5	5
6	6	5	6
4	6	6	6
5	4	6	6
3	4	3	4
6	6	6	6
6	7	6	7
6	6	6	6
7	6	3	6
6	5	4	5
5	5	4	6
3	5	4	6
6	3	3	6
7	6	6	6
7	7	7	7
7	6	6	4
5	5	5	5
6	4	5	7
7	7	6	7
5	6	6	7
6	7	5	5
4	5	6	5
6	5	5	6
5	7	5	4
6	6	6	6
7	7	5	7
7	6	5	6
4	5	4	5
4	4	5	4
6	6	5	6
6	6	4	5
5	4	6	6
6	7	6	5
5	6	6	5
6	5	6	7
6	7	5	6
6	6	6	6
5	6	6	6
5	5	6	5
4	7	7	6
4	5	5	5
2	6	5	6
6	6	5	6
7	6	6	6
6	6	6	6
6	6	4	5
3	4	6	5
6	6	6	5
4	6	5	5
6	6	5	6
6	6	5	6
6	6	5	6
6	6	5	6
7	7	7	6
6	3	5	5
6	7	6	6
6	7	6	6
6	4	6	5
7	7	5	6
4	6	3	4
4	6	6	6
6	5	6	6
6	7	7	7
7	6	7	7
1	1	2	1
6	4	4	5
6	7	6	5
6	6	6	5
7	7	7	7
7	7	7	4
7	7	7	6
3	2	6	5
7	7	5	6
7	6	6	7
6	6	6	6
3	6	7	7
6	6	6	6
7	7	6	7
6	7	6	6
4	5	4	6
5	4	3	7
7	7	4	6
5	5	5	5
5	6	5	5
7	7	7	7
7	7	6	6
5	5	5	4
7	6	5	5
6	7	4	6
5	5	6	5
6	7	6	7
6	7	5	7
6	6	7	6
6	6	6	6
5	6	6	6
6	5	5	6
7	7	6	7
7	6	6	7
5	6	6	6
6	6	5	5
7	6	6	7
7	5	3	7
4	3	3	7
6	7	6	6
5	5	5	7
7	7	7	7
6	5	5	6
4	5	6	6
6	5	5	5
5	7	6	6
7	7	5	7
7	6	6	7
6	6	6	6
7	7	6	7
6	5	5	6
7	6	5	5
6	5	5	6
5	7	6	5
5	2	2	6
5	6	5	4
5	5	6	6
6	7	5	7
7	7	6	7
7	5	6	6
6	4	5	6
4	4	6	3
7	7	6	6
5	5	5	5
5	6	6	5
7	6	6	5
6	6	5	6
6	6	5	5
7	7	7	7
6	5	5	5
6	6	6	6
7	7	7	7
4	7	7	7
6	6	6	6
6	6	6	6
4	6	5	6
4	6	4	6
7	7	6	6
6	5	3	2
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	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	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
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 time3 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 & 3 seconds \tabularnewline
R Server & 'Gertrude Mary Cox' @ cox.wessa.net \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=270463&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]3 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=270463&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=270463&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 time3 seconds
R Server'Gertrude Mary Cox' @ cox.wessa.net






Cronbach Alpha and Related Statistics
ItemsCronbach AlphaStd. AlphaG6(smc)Average R
All itmes0.69730.69710.63920.3653
Q3 excluded0.62840.62710.53450.3592
Q10 excluded0.62630.6280.5320.3601
Q17 excluded0.6090.6080.51550.3408
Q24 excluded0.66540.66750.57330.4009

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.6973 & 0.6971 & 0.6392 & 0.3653 \tabularnewline
Q3 excluded & 0.6284 & 0.6271 & 0.5345 & 0.3592 \tabularnewline
Q10 excluded & 0.6263 & 0.628 & 0.532 & 0.3601 \tabularnewline
Q17 excluded & 0.609 & 0.608 & 0.5155 & 0.3408 \tabularnewline
Q24 excluded & 0.6654 & 0.6675 & 0.5733 & 0.4009 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=270463&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]0.6973[/C][C]0.6971[/C][C]0.6392[/C][C]0.3653[/C][/ROW]
[ROW][C]Q3 excluded[/C][C]0.6284[/C][C]0.6271[/C][C]0.5345[/C][C]0.3592[/C][/ROW]
[ROW][C]Q10 excluded[/C][C]0.6263[/C][C]0.628[/C][C]0.532[/C][C]0.3601[/C][/ROW]
[ROW][C]Q17 excluded[/C][C]0.609[/C][C]0.608[/C][C]0.5155[/C][C]0.3408[/C][/ROW]
[ROW][C]Q24 excluded[/C][C]0.6654[/C][C]0.6675[/C][C]0.5733[/C][C]0.4009[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=270463&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=270463&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 itmes0.69730.69710.63920.3653
Q3 excluded0.62840.62710.53450.3592
Q10 excluded0.62630.6280.5320.3601
Q17 excluded0.6090.6080.51550.3408
Q24 excluded0.66540.66750.57330.4009


Figures (Output of Computation)

Input Parameters & R Code

Parameters (Session):
par1 = 1 2 3 4 5 6 7 ;
Parameters (R input):
par1 = TRUE ;
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')