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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 computationWed, 22 Jul 2015 23:22:55 +0100
Cite this page as followsStatistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?v=date/2015/Jul/22/t1437603783f6fpwqpwbpbsegf.htm/, Retrieved Fri, 17 May 2024 04:19:16 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=279654, Retrieved Fri, 17 May 2024 04:19:16 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact151

Tree of Dependent Computations

Family? (F = Feedback message, R = changed R code, M = changed R Module, P = changed Parameters, D = changed Data)
-     [Survey Scores] [Intrinsic Motivat...] [2010-10-12 11:18:40] [b98453cac15ba1066b407e146608df68]
- RMP   [Survey Scores] [] [2014-10-09 22:08:50] [32b17a345b130fdf5cc88718ed94a974]
- RMPD    [Cronbach Alpha] [] [2015-07-22 22:01:24] [c3af58d916586065e82a9492c7f087b1]
- R  D        [Cronbach Alpha] [] [2015-07-22 22:22:55] [8145b3fe416df466b077d26de89041cd] [Current]
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Dataset

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

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'Sir Maurice George Kendall' @ kendall.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 & 'Sir Maurice George Kendall' @ kendall.wessa.net \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=279654&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]'Sir Maurice George Kendall' @ kendall.wessa.net[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=279654&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=279654&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'Sir Maurice George Kendall' @ kendall.wessa.net






Cronbach Alpha and Related Statistics
ItemsCronbach AlphaStd. AlphaG6(smc)Average R
All itmes0.72190.72380.66960.3958
AMS3 excluded0.66930.66980.57610.4034
AMS10 excluded0.620.62660.52970.3587
AMS17 excluded0.67250.67280.58350.4067
AMS24 excluded0.67790.67970.59510.4143

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.7219 & 0.7238 & 0.6696 & 0.3958 \tabularnewline
AMS3 excluded & 0.6693 & 0.6698 & 0.5761 & 0.4034 \tabularnewline
AMS10 excluded & 0.62 & 0.6266 & 0.5297 & 0.3587 \tabularnewline
AMS17 excluded & 0.6725 & 0.6728 & 0.5835 & 0.4067 \tabularnewline
AMS24 excluded & 0.6779 & 0.6797 & 0.5951 & 0.4143 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=279654&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]0.7219[/C][C]0.7238[/C][C]0.6696[/C][C]0.3958[/C][/ROW]
[ROW][C]AMS3 excluded[/C][C]0.6693[/C][C]0.6698[/C][C]0.5761[/C][C]0.4034[/C][/ROW]
[ROW][C]AMS10 excluded[/C][C]0.62[/C][C]0.6266[/C][C]0.5297[/C][C]0.3587[/C][/ROW]
[ROW][C]AMS17 excluded[/C][C]0.6725[/C][C]0.6728[/C][C]0.5835[/C][C]0.4067[/C][/ROW]
[ROW][C]AMS24 excluded[/C][C]0.6779[/C][C]0.6797[/C][C]0.5951[/C][C]0.4143[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=279654&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=279654&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 itmes0.72190.72380.66960.3958
AMS3 excluded0.66930.66980.57610.4034
AMS10 excluded0.620.62660.52970.3587
AMS17 excluded0.67250.67280.58350.4067
AMS24 excluded0.67790.67970.59510.4143


Figures (Output of Computation)

Input Parameters & R Code

Parameters (Session):
par1 = 1 2 3 4 5 6 7 ;
Parameters (R input):
par1 = TRUE ;
R code (references can be found in the software module):
par1 <- 'TRUE'
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')