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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 14:23:06 +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/t1418566995t1yjwpxt1pplwta.htm/, Retrieved Sat, 18 May 2024 11:28:48 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=267618, Retrieved Sat, 18 May 2024 11:28:48 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact104

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] [am] [2014-12-14 14:23:06] [4475d2f35de7f19e7f9792645feacf86] [Current]
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Dataset

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

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=267618&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=267618&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=267618&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 itmes0.73130.77580.73640.4638
AMS5 excluded0.61060.67390.58640.4079
AMS12 excluded0.74860.75840.68290.5114
AMS19 excluded0.68770.72390.63720.4663
AMS26 excluded0.65740.72650.66390.4696

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.7313 & 0.7758 & 0.7364 & 0.4638 \tabularnewline
AMS5 excluded & 0.6106 & 0.6739 & 0.5864 & 0.4079 \tabularnewline
AMS12 excluded & 0.7486 & 0.7584 & 0.6829 & 0.5114 \tabularnewline
AMS19 excluded & 0.6877 & 0.7239 & 0.6372 & 0.4663 \tabularnewline
AMS26 excluded & 0.6574 & 0.7265 & 0.6639 & 0.4696 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=267618&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]0.7313[/C][C]0.7758[/C][C]0.7364[/C][C]0.4638[/C][/ROW]
[ROW][C]AMS5 excluded[/C][C]0.6106[/C][C]0.6739[/C][C]0.5864[/C][C]0.4079[/C][/ROW]
[ROW][C]AMS12 excluded[/C][C]0.7486[/C][C]0.7584[/C][C]0.6829[/C][C]0.5114[/C][/ROW]
[ROW][C]AMS19 excluded[/C][C]0.6877[/C][C]0.7239[/C][C]0.6372[/C][C]0.4663[/C][/ROW]
[ROW][C]AMS26 excluded[/C][C]0.6574[/C][C]0.7265[/C][C]0.6639[/C][C]0.4696[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=267618&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=267618&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 itmes0.73130.77580.73640.4638
AMS5 excluded0.61060.67390.58640.4079
AMS12 excluded0.74860.75840.68290.5114
AMS19 excluded0.68770.72390.63720.4663
AMS26 excluded0.65740.72650.66390.4696


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')