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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 computationSat, 13 Dec 2014 16:35:28 +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/13/t1418488539k7brexm2gl0badp.htm/, Retrieved Thu, 16 May 2024 21:22:15 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=267225, Retrieved Thu, 16 May 2024 21:22:15 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact62

Tree of Dependent Computations

Family? (F = Feedback message, R = changed R code, M = changed R Module, P = changed Parameters, D = changed Data)
-     [Cronbach Alpha] [Im1 cronbach pape...] [2014-12-13 16:27:20] [2a42404c3b0fbfc7622e3301a77a3a9b]
- R  D    [Cronbach Alpha] [im32012] [2014-12-13 16:35:28] [7f321f4960a2eb51b416148f42b4b920] [Current]
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Dataset

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

Tables (Output of Computation)





Summary of computational transaction
Raw Inputview raw input (R code)
Raw Outputview raw output of R engine
Computing time0 seconds
R Server'Gertrude Mary Cox' @ cox.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 & 0 seconds \tabularnewline
R Server & 'Gertrude Mary Cox' @ cox.wessa.net \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=267225&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]0 seconds[/C][/ROW]
[ROW][C]R Server[/C][C]'Gertrude Mary Cox' @ cox.wessa.net[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=267225&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=267225&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 time0 seconds
R Server'Gertrude Mary Cox' @ cox.wessa.net






Cronbach Alpha and Related Statistics
ItemsCronbach AlphaStd. AlphaG6(smc)Average R
All itmes0.80720.80880.78320.514
AMS4 excluded0.82990.83150.78340.6219
AMS11 excluded0.72680.72740.65530.4708
AMS18 excluded0.70250.70350.6190.4417
AMS25 excluded0.76360.7660.72570.5217

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.8072 & 0.8088 & 0.7832 & 0.514 \tabularnewline
AMS4 excluded & 0.8299 & 0.8315 & 0.7834 & 0.6219 \tabularnewline
AMS11 excluded & 0.7268 & 0.7274 & 0.6553 & 0.4708 \tabularnewline
AMS18 excluded & 0.7025 & 0.7035 & 0.619 & 0.4417 \tabularnewline
AMS25 excluded & 0.7636 & 0.766 & 0.7257 & 0.5217 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=267225&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]0.8072[/C][C]0.8088[/C][C]0.7832[/C][C]0.514[/C][/ROW]
[ROW][C]AMS4 excluded[/C][C]0.8299[/C][C]0.8315[/C][C]0.7834[/C][C]0.6219[/C][/ROW]
[ROW][C]AMS11 excluded[/C][C]0.7268[/C][C]0.7274[/C][C]0.6553[/C][C]0.4708[/C][/ROW]
[ROW][C]AMS18 excluded[/C][C]0.7025[/C][C]0.7035[/C][C]0.619[/C][C]0.4417[/C][/ROW]
[ROW][C]AMS25 excluded[/C][C]0.7636[/C][C]0.766[/C][C]0.7257[/C][C]0.5217[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=267225&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=267225&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 itmes0.80720.80880.78320.514
AMS4 excluded0.82990.83150.78340.6219
AMS11 excluded0.72680.72740.65530.4708
AMS18 excluded0.70250.70350.6190.4417
AMS25 excluded0.76360.7660.72570.5217


Figures (Output of Computation)

Input Parameters & R Code

Parameters (Session):
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')