FreeStatistics.org

Free Statistics

of Irreproducible Research!

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 12:58:02 +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/t1481716695t4lld5c0iehykgh.htm/, Retrieved Fri, 01 Nov 2024 03:32:53 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=299330, Retrieved Fri, 01 Nov 2024 03:32:53 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact125

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 ith] [2016-12-14 11:58:02] [0fbc99f8be9cad246c7cf6558103ab95] [Current]
Feedback Forum

Post a new message

Dataset

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

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
R Framework error message
The field 'Names of X columns' contains a hard return which cannot be interpreted.
Please, resubmit your request without hard returns in the 'Names of X columns'.

\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
R Framework error message & 
The field 'Names of X columns' contains a hard return which cannot be interpreted.
Please, resubmit your request without hard returns in the 'Names of X columns'.
 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=299330&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] [ROW]R Framework error message[/C][C]
The field 'Names of X columns' contains a hard return which cannot be interpreted.
Please, resubmit your request without hard returns in the 'Names of X columns'.
[/C][/ROW] [/TABLE] Source: https://freestatistics.org/blog/index.php?pk=299330&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=299330&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
R Framework error message
The field 'Names of X columns' contains a hard return which cannot be interpreted.
Please, resubmit your request without hard returns in the 'Names of X columns'.






Cronbach Alpha and Related Statistics
ItemsCronbach AlphaStd. AlphaG6(smc)Average R
All itmes0.74680.75420.70680.4341
ITH1 excluded0.63880.65090.56180.3833
ITH2 excluded0.69760.70140.6250.4392
ITH3 excluded0.65450.66710.58280.4005
ITH4 excluded0.75660.75990.68170.5134

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.7468 & 0.7542 & 0.7068 & 0.4341 \tabularnewline
ITH1 excluded & 0.6388 & 0.6509 & 0.5618 & 0.3833 \tabularnewline
ITH2 excluded & 0.6976 & 0.7014 & 0.625 & 0.4392 \tabularnewline
ITH3 excluded & 0.6545 & 0.6671 & 0.5828 & 0.4005 \tabularnewline
ITH4

 excluded & 0.7566 & 0.7599 & 0.6817 & 0.5134 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=299330&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]0.7468[/C][C]0.7542[/C][C]0.7068[/C][C]0.4341[/C][/ROW]
[ROW][C]ITH1 excluded[/C][C]0.6388[/C][C]0.6509[/C][C]0.5618[/C][C]0.3833[/C][/ROW]
[ROW][C]ITH2 excluded[/C][C]0.6976[/C][C]0.7014[/C][C]0.625[/C][C]0.4392[/C][/ROW]
[ROW][C]ITH3 excluded[/C][C]0.6545[/C][C]0.6671[/C][C]0.5828[/C][C]0.4005[/C][/ROW]
[ROW][C]ITH4

 excluded[/C][C]0.7566[/C][C]0.7599[/C][C]0.6817[/C][C]0.5134[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=299330&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=299330&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 itmes0.74680.75420.70680.4341
ITH1 excluded0.63880.65090.56180.3833
ITH2 excluded0.69760.70140.6250.4392
ITH3 excluded0.65450.66710.58280.4005
ITH4 excluded0.75660.75990.68170.5134


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')