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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 23:25:13 +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/t1437603921i4j4asdi07u1l1v.htm/, Retrieved Fri, 17 May 2024 04:05:22 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=279655, Retrieved Fri, 17 May 2024 04:05:22 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact156

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 22:25:13] [8145b3fe416df466b077d26de89041cd] [Current]
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Dataset

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

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'Gwilym Jenkins' @ jenkins.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 & 'Gwilym Jenkins' @ jenkins.wessa.net \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=279655&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]'Gwilym Jenkins' @ jenkins.wessa.net[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=279655&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=279655&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'Gwilym Jenkins' @ jenkins.wessa.net






Cronbach Alpha and Related Statistics
ItemsCronbach AlphaStd. AlphaG6(smc)Average R
All itmes0.77250.78170.75380.4723
AMS7 excluded0.72010.72530.64880.4681
AMS14 excluded0.75850.76740.7050.5237
AMS21 excluded0.69860.72020.65830.4618
AMS28 excluded0.69680.69850.6130.4357

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.7725 & 0.7817 & 0.7538 & 0.4723 \tabularnewline
AMS7 excluded & 0.7201 & 0.7253 & 0.6488 & 0.4681 \tabularnewline
AMS14 excluded & 0.7585 & 0.7674 & 0.705 & 0.5237 \tabularnewline
AMS21 excluded & 0.6986 & 0.7202 & 0.6583 & 0.4618 \tabularnewline
AMS28 excluded & 0.6968 & 0.6985 & 0.613 & 0.4357 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=279655&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]0.7725[/C][C]0.7817[/C][C]0.7538[/C][C]0.4723[/C][/ROW]
[ROW][C]AMS7 excluded[/C][C]0.7201[/C][C]0.7253[/C][C]0.6488[/C][C]0.4681[/C][/ROW]
[ROW][C]AMS14 excluded[/C][C]0.7585[/C][C]0.7674[/C][C]0.705[/C][C]0.5237[/C][/ROW]
[ROW][C]AMS21 excluded[/C][C]0.6986[/C][C]0.7202[/C][C]0.6583[/C][C]0.4618[/C][/ROW]
[ROW][C]AMS28 excluded[/C][C]0.6968[/C][C]0.6985[/C][C]0.613[/C][C]0.4357[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=279655&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=279655&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 itmes0.77250.78170.75380.4723
AMS7 excluded0.72010.72530.64880.4681
AMS14 excluded0.75850.76740.7050.5237
AMS21 excluded0.69860.72020.65830.4618
AMS28 excluded0.69680.69850.6130.4357


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')