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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 Dec 2014 11:24:07 +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/15/t141864265744jnbzsezm3fhzj.htm/, Retrieved Thu, 16 May 2024 12:40:45 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=268125, Retrieved Thu, 16 May 2024 12:40:45 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact64

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] [] [2014-12-15 11:24:07] [bf1f5a1308c68adea21a52e026401dff] [Current]
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Dataset

Dataseries X:
Download CSV
Histogram
Boxplots 
4 2 2 3
3 3 5 5
6 6 6 6
4 4 4 3
4 4 4 5
5 5 5 4
5 3 6 5
7 7 7 7
7 6 7 6
3 4 3 5
7 7 6 6
5 5 7 7
6 5 7 7
5 5 6 6
4 3 4 4
6 5 5 5
7 6 7 7
7 7 6 6
6 6 5 5
5 6 5 6
4 5 6 5
5 6 4 6
6 5 5 6
6 5 4 6
2 2 2 2
6 5 6 5
3 5 7 5
4 5 4 4
7 6 5 5
5 5 5 5
4 4 5 6
5 5 6 6
5 2 4 6
4 2 4 4
7 5 6 6
5 3 5 5
4 4 5 5
5 6 6 6
6 6 6 6
5 6 6 6
4 5 5 6
6 5 6 5
4 5 6 7
3 3 4 5
5 5 4 5
5 4 5 7
5 5 5 5
5 1 6 6
2 3 6 5
4 4 4 5
6 7 6 5
4 5 5 5
5 5 4 6
4 4 6 5
4 5 5 7
3 4 4 4
5 5 5 7
4 2 5 3
2 2 4 3
4 6 6 6
6 6 6 7
5 6 5 6
6 5 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'Herman Ole Andreas Wold' @ wold.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 & 'Herman Ole Andreas Wold' @ wold.wessa.net \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=268125&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]'Herman Ole Andreas Wold' @ wold.wessa.net[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=268125&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=268125&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'Herman Ole Andreas Wold' @ wold.wessa.net






Cronbach Alpha and Related Statistics
ItemsCronbach AlphaStd. AlphaG6(smc)Average R
All itmes0.83130.83450.79990.5576
AMS2 excluded0.78130.7910.71970.5578
AMS9 excluded0.77980.7840.71210.5475
AMS16 excluded0.80020.80210.73450.5746
AMS23 excluded0.78520.78610.71820.5505

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.8313 & 0.8345 & 0.7999 & 0.5576 \tabularnewline
AMS2 excluded & 0.7813 & 0.791 & 0.7197 & 0.5578 \tabularnewline
AMS9 excluded & 0.7798 & 0.784 & 0.7121 & 0.5475 \tabularnewline
AMS16 excluded & 0.8002 & 0.8021 & 0.7345 & 0.5746 \tabularnewline
AMS23 excluded & 0.7852 & 0.7861 & 0.7182 & 0.5505 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=268125&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]0.8313[/C][C]0.8345[/C][C]0.7999[/C][C]0.5576[/C][/ROW]
[ROW][C]AMS2 excluded[/C][C]0.7813[/C][C]0.791[/C][C]0.7197[/C][C]0.5578[/C][/ROW]
[ROW][C]AMS9 excluded[/C][C]0.7798[/C][C]0.784[/C][C]0.7121[/C][C]0.5475[/C][/ROW]
[ROW][C]AMS16 excluded[/C][C]0.8002[/C][C]0.8021[/C][C]0.7345[/C][C]0.5746[/C][/ROW]
[ROW][C]AMS23 excluded[/C][C]0.7852[/C][C]0.7861[/C][C]0.7182[/C][C]0.5505[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=268125&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=268125&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 itmes0.83130.83450.79990.5576
AMS2 excluded0.78130.7910.71970.5578
AMS9 excluded0.77980.7840.71210.5475
AMS16 excluded0.80020.80210.73450.5746
AMS23 excluded0.78520.78610.71820.5505


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)
par1b <- T
if(par1=='FALSE') par1b <- F
z <- t(y)
(r <- alpha(z,check.keys=par1b))
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')