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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, 14 Dec 2016 14:57:10 +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/2016/Dec/14/t1481724022aidyb4uas8feff6.htm/, Retrieved Fri, 03 May 2024 23:21:42 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=299458, Retrieved Fri, 03 May 2024 23:21:42 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact81

Tree of Dependent Computations

Family? (F = Feedback message, R = changed R code, M = changed R Module, P = changed Parameters, D = changed Data)
-       [Cronbach Alpha] [] [2016-12-14 13:57:10] [6e17bb30248b72d8119c893128a7a697] [Current]
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Dataset

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

Tables (Output of Computation)





Summary of computational transaction
Raw Input view raw input (R code)
Raw Outputview raw output of R engine
Computing time1 seconds
R ServerBig Analytics Cloud Computing Center

\begin{tabular}{lllllllll}
\hline
Summary of computational transaction \tabularnewline
Raw Input view raw input (R code)  \tabularnewline
Raw Outputview raw output of R engine  \tabularnewline
Computing time1 seconds \tabularnewline
R ServerBig Analytics Cloud Computing Center \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=299458&T=0

[TABLE]
[ROW]
Summary of computational transaction[/C][/ROW] [ROW]Raw Input[/C] view raw input (R code) [/C][/ROW] [ROW]Raw Output[/C]view raw output of R engine [/C][/ROW] [ROW]Computing time[/C]1 seconds[/C][/ROW] [ROW]R Server[/C]Big Analytics Cloud Computing Center[/C][/ROW] [/TABLE] Source: https://freestatistics.org/blog/index.php?pk=299458&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=299458&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 Input view raw input (R code)
Raw Outputview raw output of R engine
Computing time1 seconds
R ServerBig Analytics Cloud Computing Center






Cronbach Alpha and Related Statistics
ItemsCronbach AlphaStd. AlphaG6(smc)Average R
All itmes0.5140.55150.58770.1974
EP1 excluded0.28550.29660.29490.0954
EP2 excluded0.31110.32290.32280.1065
EP3 excluded0.56080.60420.61770.2762
EP4 excluded0.50820.53040.57090.2202
EC3 excluded0.56630.61870.62120.2886

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.514 & 0.5515 & 0.5877 & 0.1974 \tabularnewline
EP1 excluded & 0.2855 & 0.2966 & 0.2949 & 0.0954 \tabularnewline
EP2 excluded & 0.3111 & 0.3229 & 0.3228 & 0.1065 \tabularnewline
EP3 excluded & 0.5608 & 0.6042 & 0.6177 & 0.2762 \tabularnewline
EP4 excluded & 0.5082 & 0.5304 & 0.5709 & 0.2202 \tabularnewline
EC3 excluded & 0.5663 & 0.6187 & 0.6212 & 0.2886 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=299458&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]0.514[/C][C]0.5515[/C][C]0.5877[/C][C]0.1974[/C][/ROW]
[ROW][C]EP1 excluded[/C][C]0.2855[/C][C]0.2966[/C][C]0.2949[/C][C]0.0954[/C][/ROW]
[ROW][C]EP2 excluded[/C][C]0.3111[/C][C]0.3229[/C][C]0.3228[/C][C]0.1065[/C][/ROW]
[ROW][C]EP3 excluded[/C][C]0.5608[/C][C]0.6042[/C][C]0.6177[/C][C]0.2762[/C][/ROW]
[ROW][C]EP4 excluded[/C][C]0.5082[/C][C]0.5304[/C][C]0.5709[/C][C]0.2202[/C][/ROW]
[ROW][C]EC3 excluded[/C][C]0.5663[/C][C]0.6187[/C][C]0.6212[/C][C]0.2886[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=299458&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=299458&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 itmes0.5140.55150.58770.1974
EP1 excluded0.28550.29660.29490.0954
EP2 excluded0.31110.32290.32280.1065
EP3 excluded0.56080.60420.61770.2762
EP4 excluded0.50820.53040.57090.2202
EC3 excluded0.56630.61870.62120.2886


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')