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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 computationMon, 15 Nov 2010 21:29:32 +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/2010/Nov/15/t12898564797c3bkf865lavo7o.htm/, Retrieved Sun, 28 Apr 2024 13:07:41 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=95095, Retrieved Sun, 28 Apr 2024 13:07:41 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact133

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]
-    D  [Cronbach Alpha] [Chronbach Alpha p...] [2010-11-15 21:01:02] [97ad38b1c3b35a5feca8b85f7bc7b3ff]
-    D    [Cronbach Alpha] [Chronbach alpha p...] [2010-11-15 21:07:03] [97ad38b1c3b35a5feca8b85f7bc7b3ff]
-    D      [Cronbach Alpha] [Chronbach Alpha p...] [2010-11-15 21:09:15] [97ad38b1c3b35a5feca8b85f7bc7b3ff]
-    D        [Cronbach Alpha] [Chronbach Alpha f...] [2010-11-15 21:24:10] [97ad38b1c3b35a5feca8b85f7bc7b3ff]
-    D          [Cronbach Alpha] [Chronbach Alpha k...] [2010-11-15 21:26:11] [97ad38b1c3b35a5feca8b85f7bc7b3ff]
-    D            [Cronbach Alpha] [Chronbach Alpha l...] [2010-11-15 21:27:57] [97ad38b1c3b35a5feca8b85f7bc7b3ff]
-    D                [Cronbach Alpha] [Chronbach Alpha c...] [2010-11-15 21:29:32] [9ea95e194e0eb2a674315798620d5bc6] [Current]
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Dataset

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

Tables (Output of Computation)





Summary of computational transaction
Raw Inputview raw input (R code)
Raw Outputview raw output of R engine
Computing time0 seconds
R Server'Gwilym Jenkins' @ 72.249.127.135

\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 & 0 seconds \tabularnewline
R Server & 'Gwilym Jenkins' @ 72.249.127.135 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=95095&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]0 seconds[/C][/ROW]
[ROW][C]R Server[/C][C]'Gwilym Jenkins' @ 72.249.127.135[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=95095&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=95095&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 time0 seconds
R Server'Gwilym Jenkins' @ 72.249.127.135






Cronbach Alpha and Related Statistics
ItemsCronbach AlphaStd. AlphaG6(smc)Average R
All itmes0.69660.70130.540.54
Q1_7 excluded0.540.540.29160.54
Q1_8 excluded0.540.540.29160.54

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.6966 & 0.7013 & 0.54 & 0.54 \tabularnewline
Q1_7 excluded & 0.54 & 0.54 & 0.2916 & 0.54 \tabularnewline
Q1_8 excluded & 0.54 & 0.54 & 0.2916 & 0.54 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=95095&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]0.6966[/C][C]0.7013[/C][C]0.54[/C][C]0.54[/C][/ROW]
[ROW][C]Q1_7 excluded[/C][C]0.54[/C][C]0.54[/C][C]0.2916[/C][C]0.54[/C][/ROW]
[ROW][C]Q1_8 excluded[/C][C]0.54[/C][C]0.54[/C][C]0.2916[/C][C]0.54[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=95095&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=95095&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 itmes0.69660.70130.540.54
Q1_7 excluded0.540.540.29160.54
Q1_8 excluded0.540.540.29160.54


Figures (Output of Computation)

Input Parameters & R Code

Parameters (Session):
Parameters (R input):
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')