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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 computationSun, 07 Dec 2014 11:15:57 +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/07/t1417950970oeln60ra01ponlz.htm/, Retrieved Thu, 16 May 2024 11:54:14 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=263719, Retrieved Thu, 16 May 2024 11:54:14 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact111

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]
- RMPD  [Cronbach Alpha] [] [2014-12-07 11:10:36] [3d5212c89039da1a3a24d8e18d23c716]
-    D    [Cronbach Alpha] [] [2014-12-07 11:14:12] [3d5212c89039da1a3a24d8e18d23c716]
-    D        [Cronbach Alpha] [] [2014-12-07 11:15:57] [6c0da333d5967ad7c023c95d07a1face] [Current]
-    D          [Cronbach Alpha] [] [2014-12-07 11:17:52] [3d5212c89039da1a3a24d8e18d23c716]
-    D            [Cronbach Alpha] [] [2014-12-07 11:20:23] [3d5212c89039da1a3a24d8e18d23c716]
-    D              [Cronbach Alpha] [] [2014-12-07 11:22:50] [3d5212c89039da1a3a24d8e18d23c716]
-    D                [Cronbach Alpha] [] [2014-12-07 11:25:37] [3d5212c89039da1a3a24d8e18d23c716]
-    D                  [Cronbach Alpha] [] [2014-12-07 11:28:04] [3d5212c89039da1a3a24d8e18d23c716]
-  M                      [Cronbach Alpha] [] [2014-12-07 11:28:32] [3d5212c89039da1a3a24d8e18d23c716]
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Dataset

Dataseries X:
Download CSV
Histogram
Boxplots 
5 4 4 5
0 4 5 4
1 1 2 2
2 5 1 2
5 2 2 3
2 4 2 2
6 3 2 2
3 4 4 4
2 3 1 2
1 1 1 1
1 1 1 1
2 2 2 3
3 2 2 3
3 4 3 2
6 5 5 5
3 1 1 1
4 2 2 3
3 5 5 4
4 1 1 4
5 4 3 4
3 3 3 3
3 2 4 3
4 1 1 5
3 3 3 5
3 1 2 5
5 5 4 5
4 4 4 4
5 5 5 6
3 5 4 4
4 1 4 2
2 5 2 3
3 2 2 1
3 2 2 2
4 4 3 3
2 3 3 5
1 1 2 3
6 5 1 5
4 1 2 1
3 2 2 2
2 5 4 4
2 3 3 3
2 7 6 5
3 2 4 4
1 2 2 2
2 2 1 3
5 5 5 5
2 4 4 5
5 4 5 5
6 1 5 5
5 6 3 4
4 5 5 5
2 1 1 1
2 2 3 4
4 3 2 4
3 1 2 2
4 6 5 4
3 2 4 5
4 7 7 6
3 3 2 3
3 1 4 4
4 1 1 3
2 3 3 2
7 5 5 5
5 4 4 5
3 2 2 1
3 4 4 4
4 2 2 2
2 2 2 4
5 5 5 5
4 4 4 5
3 3 3 3
4 5 4 4
3 3 2 2
6 3 2 4
3 3 4 4
1 3 2 2
4 4 4 5
1 5 2 2
6 3 3 4
3 3 3 4
4 4 5 4
4 4 4 4
3 4 3 3
3 4 3 4
2 1 1 2
4 4 4 4
6 3 3 6
3 4 5 4
5 4 3 3
4 4 5 5
5 4 6 5
5 4 5 5
4 5 3 4
3 3 2 3
7 6 6 5
3 3 3 4
5 4 3 5
4 4 3 3
2 4 5 5
3 5 5 5
4 5 3 4
4 3 4 5
4 1 2 2
2 1 1 1
4 3 2 2
2 2 4 2
4 4 4 4
4 3 4 6
4 4 3 4
3 3 1 6
4 3 2 3
2 4 4 2
4 4 4 4
4 6 6 6
5 6 3 5
6 6 6 5
1 1 2 2
6 4 5 4
1 3 1 2
2 3 2 2
5 4 3 4
6 5 4 4
3 1 1 3
4 4 3 4
3 2 2 3
4 5 4 5
4 4 5 6
3 3 4 2
4 5 4 3
3 3 3 3
4 5 5 6
4 5 5 5
4 2 1 3
4 4 4 4
3 3 3 3
4 3 5 3
5 3 5 2
4 5 4 4
3 3 3 4
4 3 4 3
4 4 5 5
1 1 1 1
4 3 2 2
2 5 2 1
2 1 2 2
5 4 5 6
2 3 4 1
3 5 5 5
4 2 3 5
4 3 2 2
3 4 2 3
4 4 4 4
5 5 4 5
5 5 3 5
4 5 4 3
2 4 2 1
5 3 3 4
4 3 3 4
4 5 5 3
6 2 3 3
2 3 3 3
6 2 2 1
4 5 5 5
6 6 6 7
6 4 5 5
5 2 4 4
4 5 4 4
4 3 2 3
4 3 1 2
7 6 6 5
4 6 4 2
5 1 1 2
4 3 4 5
2 1 2 3
5 1 4 1
5 3 3 2
5 3 3 3
5 2 1 4
3 4 3 4
4 4 4 4
4 5 4 6
5 3 3 6
5 4 5 6
3 3 2 3
5 5 4 5
2 1 1 2
4 4 4 4
5 3 3 3
4 4 2 4
4 3 4 5
3 3 2 3
5 4 2 3
4 4 4 4
6 5 5 6
2 2 1 2
4 5 4 4
4 5 3 4
4 5 4 5
6 5 5 6
2 4 4 3
4 4 2 1
5 5 4 5
5 3 3 3
4 3 3 5
4 4 4 3
1 5 4 5
5 3 2 5
5 5 4 5
5 6 5 6
3 5 5 5
4 2 2 2

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'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 & 0 seconds \tabularnewline
R Server & 'George Udny Yule' @ yule.wessa.net \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=263719&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]'George Udny Yule' @ yule.wessa.net[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=263719&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=263719&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'George Udny Yule' @ yule.wessa.net






Cronbach Alpha and Related Statistics
ItemsCronbach AlphaStd. AlphaG6(smc)Average R
All itmes0.80070.80010.76950.5002
AMS4 excluded0.82220.82280.76130.6074
AMS11 excluded0.74480.74390.67910.492
AMS18 excluded0.70640.70590.62950.4444
AMS25 excluded0.71740.71630.66010.457

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.8007 & 0.8001 & 0.7695 & 0.5002 \tabularnewline
AMS4 excluded & 0.8222 & 0.8228 & 0.7613 & 0.6074 \tabularnewline
AMS11 excluded & 0.7448 & 0.7439 & 0.6791 & 0.492 \tabularnewline
AMS18 excluded & 0.7064 & 0.7059 & 0.6295 & 0.4444 \tabularnewline
AMS25 excluded & 0.7174 & 0.7163 & 0.6601 & 0.457 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=263719&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]0.8007[/C][C]0.8001[/C][C]0.7695[/C][C]0.5002[/C][/ROW]
[ROW][C]AMS4 excluded[/C][C]0.8222[/C][C]0.8228[/C][C]0.7613[/C][C]0.6074[/C][/ROW]
[ROW][C]AMS11 excluded[/C][C]0.7448[/C][C]0.7439[/C][C]0.6791[/C][C]0.492[/C][/ROW]
[ROW][C]AMS18 excluded[/C][C]0.7064[/C][C]0.7059[/C][C]0.6295[/C][C]0.4444[/C][/ROW]
[ROW][C]AMS25 excluded[/C][C]0.7174[/C][C]0.7163[/C][C]0.6601[/C][C]0.457[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=263719&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=263719&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 itmes0.80070.80010.76950.5002
AMS4 excluded0.82220.82280.76130.6074
AMS11 excluded0.74480.74390.67910.492
AMS18 excluded0.70640.70590.62950.4444
AMS25 excluded0.71740.71630.66010.457


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)
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')