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, 20 Dec 2017 13:14:59 +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/2017/Dec/20/t1513772124l6t6piqk7jec7ac.htm/, Retrieved Mon, 13 May 2024 23:05:18 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=310485, Retrieved Mon, 13 May 2024 23:05:18 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact105

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] [2017-12-20 12:14:59] [ddc578dfab8fb8809d20d480c2453c83] [Current]
Feedback Forum

Post a new message

Dataset

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

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=310485&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=310485&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=310485&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 itmes0.82540.83340.8110.5002
V1 excluded0.79110.80230.75640.5035
V2 excluded0.80720.81760.77980.5284
V3 excluded0.75940.76820.71730.4532
V4 excluded0.80830.81220.78040.5195
V5 excluded0.78850.79760.76320.4963

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.8254 & 0.8334 & 0.811 & 0.5002 \tabularnewline
V1 excluded & 0.7911 & 0.8023 & 0.7564 & 0.5035 \tabularnewline
V2 excluded & 0.8072 & 0.8176 & 0.7798 & 0.5284 \tabularnewline
V3 excluded & 0.7594 & 0.7682 & 0.7173 & 0.4532 \tabularnewline
V4 excluded & 0.8083 & 0.8122 & 0.7804 & 0.5195 \tabularnewline
V5 excluded & 0.7885 & 0.7976 & 0.7632 & 0.4963 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=310485&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]0.8254[/C][C]0.8334[/C][C]0.811[/C][C]0.5002[/C][/ROW]
[ROW][C]V1 excluded[/C][C]0.7911[/C][C]0.8023[/C][C]0.7564[/C][C]0.5035[/C][/ROW]
[ROW][C]V2 excluded[/C][C]0.8072[/C][C]0.8176[/C][C]0.7798[/C][C]0.5284[/C][/ROW]
[ROW][C]V3 excluded[/C][C]0.7594[/C][C]0.7682[/C][C]0.7173[/C][C]0.4532[/C][/ROW]
[ROW][C]V4 excluded[/C][C]0.8083[/C][C]0.8122[/C][C]0.7804[/C][C]0.5195[/C][/ROW]
[ROW][C]V5 excluded[/C][C]0.7885[/C][C]0.7976[/C][C]0.7632[/C][C]0.4963[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=310485&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=310485&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 itmes0.82540.83340.8110.5002
V1 excluded0.79110.80230.75640.5035
V2 excluded0.80720.81760.77980.5284
V3 excluded0.75940.76820.71730.4532
V4 excluded0.80830.81220.78040.5195
V5 excluded0.78850.79760.76320.4963


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')