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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, 13 Dec 2017 11:24:42 +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/13/t151316076455y9cwdk9n5nujt.htm/, Retrieved Fri, 01 Nov 2024 00:07:41 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=309239, Retrieved Fri, 01 Nov 2024 00:07:41 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact120

Tree of Dependent Computations

Family? (F = Feedback message, R = changed R code, M = changed R Module, P = changed Parameters, D = changed Data)
-       [Cronbach Alpha] [] [2017-12-13 10:24:42] [20141777ecd6b11d9726230b5f8289b4] [Current]
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Dataset

Dataseries X:
Download CSV
Histogram
Boxplots 
3	3	2	3	3
5	5	4	4	3
4	4	4	4	4
4	4	4	4	4
3	3	5	5	4
3	3	4	4	4
3	4	3	4	4
3	3	4	3	4
3	3	2	3	4
3	4	3	4	4
3	3	3	3	4
4	3	3	4	3
4	3	4	4	4
4	4	4	5	4
4	2	4	2	3
5	4	4	4	4
2	2	4	4	4
4	3	4	3	4
3	3	4	3	5
3	3	4	4	3
3	4	4	3	4
3	2	4	4	3
2	3	3	3	4
3	2	4	3	3
4	4	3	4	4
3	2	3	2	4
3	4	4	4	4
4	3	3	5	4
3	3	3	3	3
4	3	3	4	3
3	5	5	4	4
2	2	2	4	3
1	2	3	1	5
2	1	2	5	5
4	4	4	4	3
3	4	4	4	4
3	3	3	2	3
4	4	3	3	4
3	2	3	3	3
4	4	3	3	3
4	3	4	4	3
2	3	2	4	2
2	2	2	3	3
3	2	4	4	4
4	4	4	4	4
4	2	2	4	4
4	4	5	5	4
2	3	4	3	4
4	5	5	5	4
4	4	4	4	4
5	5	4	4	5
3	2	2	3	3
3	4	4	3	4
4	3	4	3	4
2	3	4	4	4
3	3	4	3	4
3	3	4	4	4
5	3	4	5	4
2	2	2	4	3
4	4	4	3	4
3	3	3	4	3
4	3	3	3	4
4	3	3	4	4
4	3	3	4	4
2	2	3	3	2
4	4	4	3	4
4	3	4	2	3
4	4	4	4	4
5	4	4	3	5
3	4	5	3	3
3	2	3	2	3
3	4	3	4	3
4	3	4	4	5
4	4	4	4	5
4	3	4	4	4
2	3	4	3	3
3	3	3	2	3
3	2	3	3	4
2	4	4	3	3
3	4	4	5	3
2	4	3	4	4
4	4	4	2	3
3	3	3	3	3
4	3	3	5	4
4	4	4	5	4
4	4	5	3	3
3	3	4	4	4
4	3	4	4	3
3	3	2	4	3
3	4	4	4	4
3	4	4	4	4
3	4	4	3	4
4	4	4	4	4
4	3	3	4	4
2	2	2	3	3
4	2	3	2	4
4	2	3	3	5
4	2	3	3	3
4	3	3	4	3
4	4	4	4	4
2	3	1	2	3
2	3	3	3	3
3	3	2	2	4
2	2	2	2	4
4	4	4	3	4
4	4	4	5	5
3	3	3	3	4
2	3	4	2	4
3	3	3	3	3
4	3	3	4	4
2	2	3	3	2
4	2	4	4	3
2	2	2	2	2
2	2	2	2	2
3	4	4	4	3
2	3	3	4	4
5	3	4	5	5
2	2	2	3	3
2	1	1	4	2
4	4	4	4	4
4	4	4	4	4
4	4	3	4	4
1	1	2	3	3
3	2	2	3	3
3	3	3	3	3
4	4	4	3	4
3	4	4	3	3
3	3	3	2	4
2	2	2	3	3
4	3	2	3	2
2	4	2	2	3
3	3	4	3	2
4	4	4	4	4
2	2	2	4	2
3	2	4	3	4
3	1	3	4	4
3	3	4	3	4
3	3	2	3	4
2	3	3	2	2
3	3	4	3	4
2	2	2	3	2
3	2	3	4	4
2	3	2	5	4
3	2	3	4	3
4	3	3	3	4
1	1	1	3	1
4	3	2	3	2
5	5	4	4	3
4	4	4	4	4
2	2	4	4	3
1	2	3	4	3
4	4	4	4	4
3	3	3	3	3
3	3	4	2	4
4	4	4	3	4
3	2	2	5	4
3	4	4	4	4
3	3	4	3	4
4	2	4	4	5
3	3	3	3	2
4	3	3	4	2
3	4	3	2	4
2	3	3	3	3
2	2	3	2	2
4	3	3	3	4
4	3	5	4	4
4	4	4	4	4
4	3	3	4	3
2	2	4	2	3
4	4	4	4	4
3	3	4	3	4
4	3	3	3	3
3	4	4	4	4
4	3	4	5	4
3	3	3	4	4
2	3	3	2	4
4	4	4	4	4
4	3	4	4	4
4	4	3	4	3
3	2	4	4	4
3	4	3	3	4
2	2	2	2	2
3	4	1	1	3
3	4	4	4	4
4	4	4	3	4
4	4	4	4	5
4	4	4	5	4
4	3	3	3	4
4	3	4	4	4
4	4	4	5	4
2	3	3	3	4
2	2	3	3	4
3	3	3	3	3
3	1	3	3	3
2	3	3	3	3
2	3	3	3	3
4	3	3	5	4
4	4	4	2	3
4	2	4	4	5
3	3	4	4	4
4	4	4	5	4
2	2	3	2	3
4	1	2	4	4
4	2	3	5	5
3	3	4	3	3
4	3	4	4	4
3	3	4	3	3
3	4	3	4	4
4	3	3	4	4
4	4	2	2	3
4	4	2	2	3
2	2	2	3	2
4	3	4	3	4
2	2	3	2	4
2	1	2	1	3
4	4	4	5	4
4	4	4	4	3
2	2	2	3	4
3	2	4	3	3
4	3	3	4	4
3	3	3	4	3
2	2	2	2	2
3	2	2	3	2
3	4	3	4	4
3	3	3	4	4
3	2	4	3	3
3	2	3	4	4
4	3	4	4	4
2	3	4	3	3
5	4	5	5	5
3	3	3	3	3
3	3	2	3	3
3	3	3	4	3
3	3	3	4	3
4	4	4	4	4
4	4	4	4	4
4	4	4	4	4
4	4	4	4	4
3	2	3	3	3
4	5	5	4	4
3	3	3	3	4
1	2	1	2	3
2	2	3	3	4
2	2	2	3	2
5	4	4	5	5
3	3	1	1	2
2	2	2	2	2
2	2	2	2	3
5	4	4	4	4
3	4	3	3	5
3	3	3	3	3
4	4	3	5	4
3	2	2	5	5
1	1	1	1	1
2	3	3	3	3
4	4	4	3	4
3	3	3	3	3
2	2	3	3	2
2	2	2	2	2
2	2	2	2	3
3	2	3	3	4
3	3	3	3	3
4	4	4	4	4
2	4	4	5	5
2	5	5	4	4
4	4	4	3	4
3	3	2	4	4
5	4	4	5	3
5	2	5	5	5
3	3	3	4	4
3	4	5	5	4
5	4	3	4	3
4	4	5	5	5
4	4	5	4	4
5	4	5	4	4
1	2	3	3	2
4	4	4	4	4
4	3	3	4	4
1	3	3	4	5
3	3	4	4	4
2	2	2	3	4
3	2	3	5	4
4	4	4	4	4
3	4	4	5	4
2	3	3	3	4
3	3	4	4	4
3	3	3	3	3
4	4	4	4	3
4	3	4	4	4
4	5	3	4	3
4	3	4	4	5
3	4	4	4	5
4	1	3	5	3
4	3	3	4	4
3	4	4	3	3
3	3	3	5	4
3	1	3	2	4
4	4	4	5	3
4	4	5	4	4
4	3	3	4	3
4	4	4	4	3
3	4	4	5	4
1	3	3	4	4
3	3	3	3	3
4	3	4	3	5
4	4	3	4	3
4	5	4	5	4
4	4	4	4	4
4	4	4	3	3
4	2	3	2	3
3	2	2	4	4
3	4	3	4	3
2	3	3	4	4
4	3	3	4	3
3	2	4	3	3
3	3	4	4	3
4	3	4	4	3
3	3	3	3	4
3	4	3	4	4
5	4	4	5	4
3	3	3	4	3
4	3	3	3	3
4	4	4	4	4
4	4	3	4	3
4	3	2	5	2
4	3	3	3	3
4	4	4	4	4
4	4	4	5	4
4	4	4	3	3
2	2	3	4	4
4	4	3	4	3
4	4	3	3	4
4	3	4	4	5
2	4	3	4	5
3	4	3	2	4
5	2	3	4	5
4	4	4	4	4
5	4	4	4	5
3	4	4	4	3
2	2	1	1	2
2	3	2	2	4
2	2	3	3	3
4	4	4	4	2
2	3	2	2	3
4	3	3	3	3
4	4	4	5	4
4	4	4	4	4
4	4	4	4	2
5	5	4	4	4
4	4	5	5	5
4	4	5	5	5
4	4	4	5	4
3	3	3	4	3
3	3	3	2	3
3	3	4	4	4
5	3	4	5	5
4	4	4	3	5
3	4	3	4	4
3	3	2	1	3
3	4	3	3	4
3	3	3	3	3
3	4	3	4	4
3	4	3	4	4
3	2	4	4	2
3	3	4	3	3
3	3	3	3	3
3	2	3	4	4
4	4	3	3	5
4	2	5	4	4
5	4	5	4	5
4	4	4	4	4
3	4	4	4	3
3	5	4	5	4
5	3	3	4	4
3	4	3	4	4
3	4	4	4	4
3	3	3	4	4
5	5	4	4	3
4	4	4	4	3
5	5	5	4	5
2	2	2	3	3
3	3	3	3	3
4	3	3	3	5
4	3	4	4	4
5	4	5	4	4
4	4	4	4	3
4	2	3	4	3
4	3	4	4	4
4	3	3	4	4
4	4	3	4	3
4	4	4	4	3
5	4	4	4	4
3	3	4	5	4
4	4	4	5	5
4	5	5	5	4
2	2	3	5	5
4	4	3	4	3
4	4	4	4	3
2	3	3	4	3
3	3	3	2	3
3	4	3	4	4
4	4	3	4	2
3	4	4	4	4
4	2	3	3	4
2	3	3	3	3
4	4	4	4	4
4	4	2	3	3
3	3	5	3	4
3	3	3	4	3
4	3	5	4	5
2	4	3	3	4
4	3	2	2	3
2	3	4	4	3
3	4	5	3	4
4	4	3	5	3
3	4	4	3	5
4	2	4	4	4
3	3	3	3	4
2	2	4	2	4
4	4	4	4	3
1	2	2	1	5
3	3	3	5	4
4	3	4	3	4
3	3	3	4	3
4	4	4	4	4
3	4	4	3	4
4	4	4	4	4
3	3	3	4	3
3	4	4	3	4
3	4	3	5	4
5	2	3	5	4
3	3	2	4	3
3	4	3	4	3
4	5	4	4	4
4	5	5	5	5
2	3	2	4	5
3	2	2	3	3
5	4	3	5	4
3	3	3	3	4
3	3	4	3	4
3	3	3	4	4
3	4	4	3	4
3	4	4	4	3
5	5	4	4	5
4	4	4	4	4
4	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 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=309239&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=309239&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=309239&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 itmes0.7750.77440.74330.407
FindInfo excluded0.71990.72040.67130.3918
Understand excluded0.73250.73250.67810.4064
Effective excluded0.7030.70130.64760.3698
Clear excluded0.74520.74340.69790.4201
Expectations excluded0.76310.76380.71420.447

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.775 & 0.7744 & 0.7433 & 0.407 \tabularnewline
FindInfo excluded & 0.7199 & 0.7204 & 0.6713 & 0.3918 \tabularnewline
Understand excluded & 0.7325 & 0.7325 & 0.6781 & 0.4064 \tabularnewline
Effective excluded & 0.703 & 0.7013 & 0.6476 & 0.3698 \tabularnewline
Clear excluded & 0.7452 & 0.7434 & 0.6979 & 0.4201 \tabularnewline
Expectations excluded & 0.7631 & 0.7638 & 0.7142 & 0.447 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=309239&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]0.775[/C][C]0.7744[/C][C]0.7433[/C][C]0.407[/C][/ROW]
[ROW][C]FindInfo excluded[/C][C]0.7199[/C][C]0.7204[/C][C]0.6713[/C][C]0.3918[/C][/ROW]
[ROW][C]Understand excluded[/C][C]0.7325[/C][C]0.7325[/C][C]0.6781[/C][C]0.4064[/C][/ROW]
[ROW][C]Effective excluded[/C][C]0.703[/C][C]0.7013[/C][C]0.6476[/C][C]0.3698[/C][/ROW]
[ROW][C]Clear excluded[/C][C]0.7452[/C][C]0.7434[/C][C]0.6979[/C][C]0.4201[/C][/ROW]
[ROW][C]Expectations excluded[/C][C]0.7631[/C][C]0.7638[/C][C]0.7142[/C][C]0.447[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=309239&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=309239&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 itmes0.7750.77440.74330.407
FindInfo excluded0.71990.72040.67130.3918
Understand excluded0.73250.73250.67810.4064
Effective excluded0.7030.70130.64760.3698
Clear excluded0.74520.74340.69790.4201
Expectations excluded0.76310.76380.71420.447


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')