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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 computationMon, 05 Dec 2016 14:38:19 +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/05/t1480945115c175h92qkg8j8x8.htm/, Retrieved Wed, 01 May 2024 22:34:59 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=297733, Retrieved Wed, 01 May 2024 22:34:59 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact111

Tree of Dependent Computations

Family? (F = Feedback message, R = changed R code, M = changed R Module, P = changed Parameters, D = changed Data)
-       [Cronbach Alpha] [CBA vrouwen TV] [2016-12-05 13:38:19] [71d167f7de04005af677e6526bf8917e] [Current]
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Dataset

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

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=297733&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=297733&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=297733&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 itmes0.53410.55630.53120.2386
TV1 excluded0.52510.5330.45140.2756
TV2 excluded0.41120.40540.36070.1852
TV3 excluded0.36910.43450.39020.2039
TV4 excluded0.5370.55040.46110.2898

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.5341 & 0.5563 & 0.5312 & 0.2386 \tabularnewline
TV1 excluded & 0.5251 & 0.533 & 0.4514 & 0.2756 \tabularnewline
TV2 excluded & 0.4112 & 0.4054 & 0.3607 & 0.1852 \tabularnewline
TV3 excluded & 0.3691 & 0.4345 & 0.3902 & 0.2039 \tabularnewline
TV4 excluded & 0.537 & 0.5504 & 0.4611 & 0.2898 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=297733&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]0.5341[/C][C]0.5563[/C][C]0.5312[/C][C]0.2386[/C][/ROW]
[ROW][C]TV1 excluded[/C][C]0.5251[/C][C]0.533[/C][C]0.4514[/C][C]0.2756[/C][/ROW]
[ROW][C]TV2 excluded[/C][C]0.4112[/C][C]0.4054[/C][C]0.3607[/C][C]0.1852[/C][/ROW]
[ROW][C]TV3 excluded[/C][C]0.3691[/C][C]0.4345[/C][C]0.3902[/C][C]0.2039[/C][/ROW]
[ROW][C]TV4 excluded[/C][C]0.537[/C][C]0.5504[/C][C]0.4611[/C][C]0.2898[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=297733&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=297733&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 itmes0.53410.55630.53120.2386
TV1 excluded0.52510.5330.45140.2756
TV2 excluded0.41120.40540.36070.1852
TV3 excluded0.36910.43450.39020.2039
TV4 excluded0.5370.55040.46110.2898


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')