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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 computationFri, 15 Dec 2017 21:25:34 +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/15/t1513369761wppyye3zlc9oseh.htm/, Retrieved Wed, 15 May 2024 08:11:57 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=309816, Retrieved Wed, 15 May 2024 08:11:57 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact54

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 - ...] [2017-12-15 20:25:34] [228f385b091a4ec8014a0b8722ae7714] [Current]
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Dataset

Dataseries X:
Download CSV
Histogram
Boxplots 
1	3	2	2	3
4	5	4	4	5
2	4	4	4	4
3	4	4	4	4
2	3	5	4	5
3	3	4	4	5
2	4	3	5	5
1	3	4	4	5
2	3	2	3	5
2	4	3	5	5
3	3	3	4	4
3	3	3	4	3
3	3	4	4	4
3	4	4	4	5
1	2	4	4	4
3	4	4	3	3
3	2	4	4	5
3	3	4	4	5
5	3	4	5	5
2	3	4	4	3
3	4	4	4	5
3	2	4	3	4
1	3	3	4	5
2	2	4	2	3
3	4	3	4	4
3	2	3	3	4
3	4	4	5	4
2	3	3	5	5
2	3	3	3	5
2	3	3	3	3
3	5	5	4	1
1	2	2	4	5
1	2	3	4	5
4	1	2	5	3
2	4	4	4	5
3	4	4	4	4
4	3	3	3	4
2	4	3	3	4
2	2	3	3	4
4	4	3	3	4
2	3	4	3	5
2	3	2	4	4
2	2	2	3	3
1	2	4	4	5
3	4	4	5	4
3	2	2	5	4
5	4	5	4	5
1	3	4	3	5
3	5	5	4	5
4	4	4	4	3
5	5	4	5	4
3	2	2	4	4
1	4	4	4	4
2	3	4	4	5
2	3	4	4	2
2	3	4	4	4
2	3	4	4	3
3	3	4	3	5
1	2	2	4	5
4	4	4	4	5
3	3	3	4	5
2	3	3	4	4
3	3	3	4	4
3	3	3	4	5
3	2	3	3	4
3	4	4	4	4
3	3	4	3	4
4	4	4	4	4
2	4	4	5	4
1	4	5	5	4
1	2	3	2	4
1	4	3	3	3
4	3	4	5	4
5	4	4	4	4
2	3	4	4	3
3	3	4	4	5
3	3	3	3	4
1	2	3	4	5
3	4	4	4	3
3	4	4	5	5
1	4	3	2	5
4	4	4	4	4
3	3	3	4	3
3	3	3	5	5
3	4	4	4	5
2	4	5	4	5
2	3	4	3	4
2	3	4	4	3
1	3	2	2	4
4	4	4	4	3
3	4	4	4	4
1	4	4	5	5
3	4	4	4	4
2	3	3	4	4
2	2	2	2	4
2	2	3	5	5
3	2	3	4	5
4	2	3	3	4
2	3	3	3	4
4	4	4	4	4
3	3	1	4	5
2	3	3	3	4
2	3	2	3	4
2	2	2	4	4
2	4	4	4	5
3	4	4	4	5
1	3	3	4	4
4	3	4	4	5
3	3	3	3	3
2	3	3	4	4
3	2	3	3	3
2	2	4	4	5
2	2	2	3	4
2	2	2	3	4
3	4	4	3	5
2	3	3	4	5
3	3	4	5	5
1	2	2	2	3
1	1	1	4	5
3	4	4	4	3
3	4	4	4	4
3	4	3	4	4
2	1	2	2	4
2	2	2	3	4
2	3	3	3	4
2	4	4	4	4
4	4	4	3	5
3	3	3	4	5
1	2	2	3	5
3	3	2	4	3
4	4	2	4	4
2	3	4	4	4
4	4	4	4	4
1	2	2	3	4
1	2	4	4	4
2	1	3	5	4
3	3	4	4	5
1	3	2	4	4
4	3	3	4	5
2	3	4	4	5
3	2	2	4	4
2	2	3	3	4
5	3	2	4	3
2	2	3	4	4
4	3	3	3	4
2	1	1	2	3
4	3	2	4	3
3	5	4	4	3
2	4	4	4	4
2	2	4	4	4
2	2	3	2	4
2	4	4	4	4
3	3	3	4	4
1	3	4	3	5
2	4	4	4	5
5	2	2	5	5
2	4	4	3	5
3	3	4	5	5
2	2	4	4	5
1	3	3	3	5
3	3	3	2	3
2	4	3	5	5
4	3	3	2	4
4	2	3	3	4
3	3	3	2	5
3	3	5	5	3
3	4	4	4	4
3	3	3	4	4
2	2	4	4	4
2	4	4	3	4
4	3	4	4	4
3	3	3	5	5
3	4	4	4	4
3	3	4	5	4
3	3	3	3	5
5	3	3	3	4
3	4	4	4	5
1	3	4	4	5
4	4	3	4	4
2	2	4	3	4
4	4	3	4	4
1	2	2	3	4
2	4	1	3	3
3	4	4	4	5
3	4	4	4	5
4	4	4	4	4
3	4	4	4	5
3	3	3	4	4
3	3	4	3	4
3	4	4	4	5
3	3	3	4	3
2	2	3	4	5
3	3	3	3	5
1	1	3	3	3
3	3	3	2	3
4	3	3	3	3
2	3	3	4	3
2	4	4	3	3
4	2	4	5	4
2	3	4	4	3
4	4	4	4	4
1	2	3	3	4
2	1	2	2	5
1	2	3	5	5
2	3	4	4	4
4	3	4	4	5
4	3	4	3	5
3	4	3	3	5
4	3	3	4	5
1	4	2	4	4
1	4	2	4	4
1	2	2	3	3
3	3	4	4	5
1	2	3	4	4
1	1	2	5	5
4	4	4	4	5
3	4	4	3	4
3	2	2	3	5
1	2	4	4	5
2	3	3	4	4
2	3	3	4	4
4	2	2	3	4
2	2	2	4	4
2	4	3	3	4
2	3	3	4	5
2	2	4	4	5
1	2	3	3	5
3	3	4	4	5
2	3	4	4	4
4	4	5	5	5
2	3	3	3	4
5	3	2	3	4
3	3	3	4	4
4	3	3	4	5
3	4	4	4	4
3	4	4	4	4
3	4	4	4	4
3	4	4	4	5
3	2	3	3	5
3	5	5	4	5
4	3	3	4	4
1	2	1	3	4
2	2	3	5	4
2	2	2	2	2
4	4	4	4	4
3	3	1	1	3
2	2	2	3	2
2	2	2	2	2
3	4	4	4	5
2	4	3	4	5
3	3	3	3	3
3	4	3	4	3
3	2	2	5	4
1	1	1	2	3
2	3	3	3	3
4	4	4	4	4
3	3	3	3	3
3	2	3	3	4
2	2	2	2	2
3	2	2	4	4
3	2	3	3	3
3	3	3	3	3
4	4	4	4	4
2	4	4	5	3
2	5	5	4	5
3	4	4	4	4
3	3	2	4	5
5	4	4	4	4
1	2	5	5	5
2	3	3	4	4
2	4	5	4	5
2	4	3	4	4
2	4	5	5	5
3	4	5	5	5
3	4	5	4	4
3	2	3	3	3
2	4	4	4	4
1	3	3	5	4
1	3	3	4	4
3	3	4	4	4
2	2	2	4	5
3	2	3	4	5
3	4	4	5	4
3	4	4	5	5
3	3	3	4	4
2	3	4	4	3
4	3	3	4	3
3	4	4	3	3
4	3	4	5	5
3	5	3	4	3
3	3	4	4	4
3	4	4	5	4
3	1	3	3	4
3	3	3	3	5
3	4	4	3	3
4	3	3	4	5
3	1	3	4	3
4	4	4	4	4
3	4	5	4	5
3	3	3	4	3
3	4	4	3	3
3	4	4	4	4
2	3	3	4	5
3	3	3	3	3
3	3	4	4	4
3	4	3	5	4
3	5	4	5	5
3	4	4	4	3
3	4	4	4	4
3	2	3	4	3
2	2	2	4	3
2	4	3	4	4
2	3	3	4	5
3	3	3	4	3
1	2	4	4	3
3	3	4	4	3
3	3	4	4	4
1	3	3	4	3
3	4	3	5	5
3	4	4	4	5
4	3	3	3	4
3	3	3	4	4
2	4	4	4	4
2	4	3	4	4
1	3	2	2	3
3	3	3	4	3
3	4	4	4	4
3	4	4	4	3
3	4	4	3	4
4	2	3	4	4
3	4	3	4	3
3	4	3	4	3
3	3	4	5	3
3	4	3	5	3
3	4	3	4	4
3	2	3	5	5
3	4	4	4	4
3	4	4	5	5
2	4	4	4	4
1	2	1	4	4
1	3	2	5	4
2	2	3	1	4
4	4	4	2	3
1	3	2	4	3
3	3	3	4	3
3	4	4	4	3
3	4	4	4	4
3	4	4	5	4
3	5	4	5	5
3	4	5	5	5
3	4	5	5	3
4	4	4	4	4
3	3	3	3	4
3	3	3	3	3
3	3	4	5	5
3	3	4	5	5
2	4	4	4	5
1	4	3	4	4
1	3	2	3	3
3	4	3	4	4
4	3	3	4	4
2	4	3	3	3
2	4	3	4	3
4	2	4	4	4
1	3	4	4	3
3	3	3	5	3
4	2	3	3	4
5	4	3	5	3
2	2	5	5	5
3	4	5	5	5
3	4	4	4	3
2	4	4	4	4
5	5	4	3	5
3	3	3	4	4
3	4	3	4	5
3	4	4	5	4
2	3	3	3	3
2	5	4	3	4
3	4	4	4	4
3	5	5	4	4
2	2	2	3	3
3	3	3	3	3
3	3	3	5	5
4	3	4	5	4
4	4	5	4	5
2	4	4	2	3
2	2	3	3	3
3	3	4	4	4
3	3	3	4	4
2	4	3	3	3
3	4	4	3	4
3	4	4	4	3
3	3	4	5	3
3	4	4	5	5
4	5	5	5	3
2	2	3	4	2
3	4	3	2	3
3	4	4	3	4
3	3	3	5	3
3	3	3	3	3
3	4	3	3	3
2	4	3	4	3
3	4	4	5	3
2	2	3	5	5
3	3	3	3	4
3	4	4	4	4
2	4	2	4	3
2	3	5	4	5
3	3	3	3	4
3	3	5	5	5
4	4	3	3	4
3	3	2	3	4
3	3	4	2	4
3	4	5	3	5
3	4	3	5	3
4	4	4	5	4
2	2	4	4	5
3	3	3	4	4
3	2	4	3	4
3	4	4	4	4
1	2	2	3	5
3	3	3	4	4
3	3	4	4	3
3	3	3	4	4
2	4	4	5	4
3	4	4	4	3
3	4	4	3	4
2	3	3	3	3
3	4	4	4	3
4	4	3	4	4
2	2	3	5	5
3	3	2	4	5
2	4	3	3	4
3	5	4	5	4
5	5	5	5	4
2	3	2	5	5
2	2	2	4	4
5	4	3	4	4
4	3	3	4	4
2	3	4	5	5
3	3	3	3	4
2	4	4	5	4
2	4	4	4	4
4	5	4	5	5
3	4	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 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=309816&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=309816&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=309816&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 itmes0.59960.59950.58860.2304
Clear_error_Messages excluded0.59570.59210.56760.2662
Understandable_Information excluded0.48950.49750.44930.1984
Effective_Information excluded0.44590.44550.41050.1673
Website_Functions excluded0.52980.52370.51210.2156
Computations_Reproducibility excluded0.63380.63640.59280.3044

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.5996 & 0.5995 & 0.5886 & 0.2304 \tabularnewline
Clear_error_Messages excluded & 0.5957 & 0.5921 & 0.5676 & 0.2662 \tabularnewline
Understandable_Information excluded & 0.4895 & 0.4975 & 0.4493 & 0.1984 \tabularnewline
Effective_Information excluded & 0.4459 & 0.4455 & 0.4105 & 0.1673 \tabularnewline
Website_Functions excluded & 0.5298 & 0.5237 & 0.5121 & 0.2156 \tabularnewline
Computations_Reproducibility excluded & 0.6338 & 0.6364 & 0.5928 & 0.3044 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=309816&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]0.5996[/C][C]0.5995[/C][C]0.5886[/C][C]0.2304[/C][/ROW]
[ROW][C]Clear_error_Messages excluded[/C][C]0.5957[/C][C]0.5921[/C][C]0.5676[/C][C]0.2662[/C][/ROW]
[ROW][C]Understandable_Information excluded[/C][C]0.4895[/C][C]0.4975[/C][C]0.4493[/C][C]0.1984[/C][/ROW]
[ROW][C]Effective_Information excluded[/C][C]0.4459[/C][C]0.4455[/C][C]0.4105[/C][C]0.1673[/C][/ROW]
[ROW][C]Website_Functions excluded[/C][C]0.5298[/C][C]0.5237[/C][C]0.5121[/C][C]0.2156[/C][/ROW]
[ROW][C]Computations_Reproducibility excluded[/C][C]0.6338[/C][C]0.6364[/C][C]0.5928[/C][C]0.3044[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=309816&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=309816&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 itmes0.59960.59950.58860.2304
Clear_error_Messages excluded0.59570.59210.56760.2662
Understandable_Information excluded0.48950.49750.44930.1984
Effective_Information excluded0.44590.44550.41050.1673
Website_Functions excluded0.52980.52370.51210.2156
Computations_Reproducibility excluded0.63380.63640.59280.3044


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')