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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, 14 Dec 2014 14:05:22 +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/14/t1418565950c2ll9c8klrkr50c.htm/, Retrieved Thu, 16 May 2024 14:14:10 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=267589, Retrieved Thu, 16 May 2024 14:14:10 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact113

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] [E1] [2014-10-14 09:38:52] [36c866d94170840abc594fd3e7d5794f]
-    D      [Cronbach Alpha] [e1] [2014-12-14 14:05:22] [4475d2f35de7f19e7f9792645feacf86] [Current]
-   PD        [Cronbach Alpha] [] [2014-12-14 14:10:25] [36c866d94170840abc594fd3e7d5794f]
-   PD        [Cronbach Alpha] [] [2014-12-14 14:17:32] [36c866d94170840abc594fd3e7d5794f]
-    D          [Cronbach Alpha] [] [2014-12-14 14:22:16] [36c866d94170840abc594fd3e7d5794f]
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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 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

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'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 & 1 seconds \tabularnewline
R Server & 'George Udny Yule' @ yule.wessa.net \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=267589&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]'George Udny Yule' @ yule.wessa.net[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=267589&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=267589&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'George Udny Yule' @ yule.wessa.net






Cronbach Alpha and Related Statistics
ItemsCronbach AlphaStd. AlphaG6(smc)Average R
All itmes0.67270.67570.62210.3425
AMS3 excluded0.64940.65160.56530.384
AMS10 excluded0.62480.62980.55090.3619
AMS17 excluded0.53470.54170.44260.2826
AMS24 excluded0.60530.60880.51050.3415

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.6727 & 0.6757 & 0.6221 & 0.3425 \tabularnewline
AMS3 excluded & 0.6494 & 0.6516 & 0.5653 & 0.384 \tabularnewline
AMS10 excluded & 0.6248 & 0.6298 & 0.5509 & 0.3619 \tabularnewline
AMS17 excluded & 0.5347 & 0.5417 & 0.4426 & 0.2826 \tabularnewline
AMS24 excluded & 0.6053 & 0.6088 & 0.5105 & 0.3415 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=267589&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]0.6727[/C][C]0.6757[/C][C]0.6221[/C][C]0.3425[/C][/ROW]
[ROW][C]AMS3 excluded[/C][C]0.6494[/C][C]0.6516[/C][C]0.5653[/C][C]0.384[/C][/ROW]
[ROW][C]AMS10 excluded[/C][C]0.6248[/C][C]0.6298[/C][C]0.5509[/C][C]0.3619[/C][/ROW]
[ROW][C]AMS17 excluded[/C][C]0.5347[/C][C]0.5417[/C][C]0.4426[/C][C]0.2826[/C][/ROW]
[ROW][C]AMS24 excluded[/C][C]0.6053[/C][C]0.6088[/C][C]0.5105[/C][C]0.3415[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=267589&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=267589&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 itmes0.67270.67570.62210.3425
AMS3 excluded0.64940.65160.56530.384
AMS10 excluded0.62480.62980.55090.3619
AMS17 excluded0.53470.54170.44260.2826
AMS24 excluded0.60530.60880.51050.3415


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')