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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 16:31:23 +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/t1418488298kpur8scrouybdtc.htm/, Retrieved Fri, 01 Nov 2024 00:07:21 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=267215, Retrieved Fri, 01 Nov 2024 00:07:21 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact93

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]
-    D    [Cronbach Alpha] [im2aksf;a] [2014-12-13 16:31:23] [7f321f4960a2eb51b416148f42b4b920] [Current]
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Dataset

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

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'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 & 0 seconds \tabularnewline
R Server & 'George Udny Yule' @ yule.wessa.net \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=267215&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]'George Udny Yule' @ yule.wessa.net[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=267215&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=267215&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'George Udny Yule' @ yule.wessa.net






Cronbach Alpha and Related Statistics
ItemsCronbach AlphaStd. AlphaG6(smc)Average R
All itmes0.79240.79490.75740.4921
AMS6 excluded0.77780.77850.70090.5395
AMS13 excluded0.69610.69770.61650.4349
AMS20 excluded0.74450.74830.6790.4978
AMS27 excluded0.74440.74720.67910.4962

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.7924 & 0.7949 & 0.7574 & 0.4921 \tabularnewline
AMS6 excluded & 0.7778 & 0.7785 & 0.7009 & 0.5395 \tabularnewline
AMS13 excluded & 0.6961 & 0.6977 & 0.6165 & 0.4349 \tabularnewline
AMS20 excluded & 0.7445 & 0.7483 & 0.679 & 0.4978 \tabularnewline
AMS27 excluded & 0.7444 & 0.7472 & 0.6791 & 0.4962 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=267215&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]0.7924[/C][C]0.7949[/C][C]0.7574[/C][C]0.4921[/C][/ROW]
[ROW][C]AMS6 excluded[/C][C]0.7778[/C][C]0.7785[/C][C]0.7009[/C][C]0.5395[/C][/ROW]
[ROW][C]AMS13 excluded[/C][C]0.6961[/C][C]0.6977[/C][C]0.6165[/C][C]0.4349[/C][/ROW]
[ROW][C]AMS20 excluded[/C][C]0.7445[/C][C]0.7483[/C][C]0.679[/C][C]0.4978[/C][/ROW]
[ROW][C]AMS27 excluded[/C][C]0.7444[/C][C]0.7472[/C][C]0.6791[/C][C]0.4962[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=267215&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=267215&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 itmes0.79240.79490.75740.4921
AMS6 excluded0.77780.77850.70090.5395
AMS13 excluded0.69610.69770.61650.4349
AMS20 excluded0.74450.74830.6790.4978
AMS27 excluded0.74440.74720.67910.4962


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):
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')