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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, 07 Dec 2016 14:56:15 +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/07/t14811189870q2ar1eybh2le2m.htm/, Retrieved Mon, 17 Nov 2025 09:46:34 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=298116, Retrieved Mon, 17 Nov 2025 09:46:34 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact256

Tree of Dependent Computations

Family? (F = Feedback message, R = changed R code, M = changed R Module, P = changed Parameters, D = changed Data)
-       [Cronbach Alpha] [Cronbach Alpha] [2016-12-07 13:56:15] [c3c00422a8efeb721f46880d0369ae73] [Current]
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Dataset

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

Tables (Output of Computation)





Summary of computational transaction
Raw Input view raw input (R code)
Raw Outputview raw output of R engine
Computing time0 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 time0 seconds \tabularnewline
R ServerBig Analytics Cloud Computing Center \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=298116&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]0 seconds[/C][/ROW] [ROW]R Server[/C]Big Analytics Cloud Computing Center[/C][/ROW] [/TABLE] Source: https://freestatistics.org/blog/index.php?pk=298116&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=298116&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 time0 seconds
R ServerBig Analytics Cloud Computing Center






Cronbach Alpha and Related Statistics
ItemsCronbach AlphaStd. AlphaG6(smc)Average R
All itmes0.25510.24930.22560.0767
IVHB1 excluded0.24880.2620.21070.1058
IVHB2 excluded0.17690.18310.15650.0695
IVHB3 excluded0.0890.05640.05530.0195
IVHB4 excluded0.27730.27410.20380.1118

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.2551 & 0.2493 & 0.2256 & 0.0767 \tabularnewline
IVHB1 excluded & 0.2488 & 0.262 & 0.2107 & 0.1058 \tabularnewline
IVHB2 excluded & 0.1769 & 0.1831 & 0.1565 & 0.0695 \tabularnewline
IVHB3 excluded & 0.089 & 0.0564 & 0.0553 & 0.0195 \tabularnewline
IVHB4 excluded & 0.2773 & 0.2741 & 0.2038 & 0.1118 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=298116&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]0.2551[/C][C]0.2493[/C][C]0.2256[/C][C]0.0767[/C][/ROW]
[ROW][C]IVHB1 excluded[/C][C]0.2488[/C][C]0.262[/C][C]0.2107[/C][C]0.1058[/C][/ROW]
[ROW][C]IVHB2 excluded[/C][C]0.1769[/C][C]0.1831[/C][C]0.1565[/C][C]0.0695[/C][/ROW]
[ROW][C]IVHB3 excluded[/C][C]0.089[/C][C]0.0564[/C][C]0.0553[/C][C]0.0195[/C][/ROW]
[ROW][C]IVHB4 excluded[/C][C]0.2773[/C][C]0.2741[/C][C]0.2038[/C][C]0.1118[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=298116&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=298116&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 itmes0.25510.24930.22560.0767
IVHB1 excluded0.24880.2620.21070.1058
IVHB2 excluded0.17690.18310.15650.0695
IVHB3 excluded0.0890.05640.05530.0195
IVHB4 excluded0.27730.27410.20380.1118


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):
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')