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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 21:13:39 +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/t1513368922vg8uawqxx4erpmz.htm/, Retrieved Thu, 16 May 2024 01:54:36 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=309813, Retrieved Thu, 16 May 2024 01:54:36 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact57

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 20:13:39] [228f385b091a4ec8014a0b8722ae7714] [Current]
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Dataset

Dataseries X:
Download CSV
Histogram
Boxplots 
3	3	4	3	4	3
5	3	5	5	5	3
4	4	5	5	5	4
4	4	4	3	3	4
3	4	5	2	5	4
3	5	5	4	5	4
3	4	5	4	5	4
3	4	5	4	5	4
3	3	4	3	4	4
3	3	5	5	3	4
3	4	3	3	4	4
4	4	4	4	5	4
4	4	5	3	5	4
4	4	5	4	5	4
4	3	4	3	3	4
5	3	4	5	4	5
2	4	5	3	4	4
4	4	3	4	3	5
3	5	5	5	5	5
3	4	3	5	4	4
3	4	4	4	4	5
3	4	4	2	4	2
2	4	5	5	5	4
3	5	4	4	3	4
4	4	4	1	3	4
3	3	4	3	3	3
3	4	3	4	3	4
4	5	4	4	5	4
3	4	4	4	5	4
4	4	4	4	4	4
3	5	5	5	5	4
2	4	5	2	5	3
1	1	1	2	3	3
2	5	5	5	5	5
4	4	5	5	5	4
3	3	5	3	4	3
3	3	4	4	4	2
4	3	4	3	4	4
3	3	3	3	4	3
4	3	3	3	3	3
4	2	4	2	4	4
2	4	5	5	5	5
2	2	3	4	5	3
3	5	5	5	4	4
4	4	4	4	3	4
4	4	5	5	5	4
4	5	5	4	5	5
2	3	5	4	5	4
4	3	5	4	5	4
4	3	3	4	3	4
5	4	5	5	5	5
3	4	4	4	4	3
3	4	4	3	2	4
4	3	5	2	3	4
2	4	5	4	4	4
3	5	5	3	5	4
3	3	4	4	3	4
5	4	4	5	5	4
2	3	3	2	4	2
4	4	5	4	5	4
3	4	3	3	5	4
4	4	4	4	4	4
4	4	4	4	4	4
4	3	5	4	5	5
2	4	5	1	5	4
4	4	4	4	5	4
4	4	4	4	4	5
4	4	4	4	4	4
5	5	5	5	5	5
3	3	4	2	4	3
3	4	5	4	5	2
3	4	3	2	3	4
4	4	5	5	5	5
4	5	5	4	5	5
4	4	4	4	4	4
2	4	4	3	5	3
3	3	4	3	4	4
3	4	5	3	4	4
2	1	3	3	3	4
3	4	4	4	5	4
2	3	3	2	4	3
4	3	4	4	4	3
3	3	5	5	5	4
4	5	5	5	5	5
4	3	5	4	4	5
4	3	5	4	5	4
3	4	4	4	4	4
4	4	4	4	4	4
3	3	4	2	3	3
3	4	4	4	5	4
3	4	5	4	5	4
3	4	5	5	4	4
4	5	4	4	5	4
4	4	4	4	4	4
2	3	3	4	5	3
4	5	5	4	4	3
4	4	5	4	4	5
4	5	5	4	5	3
4	4	4	4	4	4
4	4	4	4	4	4
2	5	4	3	4	4
2	4	4	3	3	4
3	5	5	4	3	4
2	4	4	4	3	4
4	5	4	4	4	5
4	4	5	4	4	4
3	4	4	1	4	4
2	5	4	4	5	4
3	3	3	3	3	3
4	3	4	4	3	4
2	2	4	3	4	2
4	4	5	4	4	2
2	3	4	3	4	4
2	3	4	3	4	4
3	3	5	4	3	4
2	4	4	1	5	5
5	4	5	5	4	5
2	2	5	2	3	2
2	4	4	4	5	3
4	4	3	4	4	4
4	3	4	2	4	4
4	3	4	3	3	4
1	3	3	3	4	2
3	2	3	3	4	2
3	3	4	4	4	3
4	4	4	4	4	4
3	4	4	4	4	4
3	4	4	3	4	5
2	2	4	3	5	3
4	3	4	2	3	4
2	3	4	4	2	1
3	4	4	4	4	4
4	3	4	4	4	5
2	4	2	3	5	3
3	4	4	3	5	3
3	5	5	2	3	4
3	4	5	4	5	4
3	4	4	5	4	3
2	2	4	2	4	2
3	4	4	4	4	4
2	3	4	3	4	1
3	4	5	3	4	4
2	4	5	5	5	3
3	4	4	4	4	2
4	3	3	3	3	3
1	2	3	4	5	2
4	3	3	3	3	3
5	4	5	4	4	5
4	4	4	4	4	4
2	3	5	2	4	4
1	4	3	4	4	4
4	3	4	3	4	4
3	4	3	3	4	3
3	5	5	3	5	4
4	3	4	4	4	4
3	5	5	5	5	5
3	4	5	4	5	4
3	4	4	4	4	4
4	4	5	5	5	4
3	3	4	3	5	3
4	3	4	3	4	4
3	3	5	4	5	4
2	4	3	3	4	2
2	2	3	3	3	2
4	3	3	5	4	3
4	3	3	5	3	4
4	4	4	4	4	4
4	3	5	4	5	5
2	3	4	2	4	3
4	4	4	3	5	4
3	3	4	4	4	4
4	4	5	5	4	4
3	4	4	4	4	4
4	3	4	4	4	5
3	3	4	4	4	4
2	4	5	3	5	3
4	4	4	3	4	4
4	4	5	4	4	4
4	4	4	4	4	4
3	5	4	3	5	3
3	4	4	3	4	4
2	3	4	3	4	2
3	3	4	2	5	1
3	4	4	4	4	5
4	4	4	3	4	3
4	4	4	4	4	4
4	4	4	5	5	5
4	5	5	2	3	5
4	3	5	3	4	4
4	4	5	4	4	4
2	4	4	2	4	3
2	3	5	3	5	4
3	4	4	5	4	4
3	3	4	4	4	2
2	3	5	4	3	3
2	4	5	4	5	3
4	4	4	2	3	3
4	3	4	3	4	4
4	4	4	4	4	4
3	4	5	4	4	4
4	4	4	4	4	4
2	3	3	2	4	3
4	2	4	4	5	2
4	5	3	4	2	4
3	3	4	4	4	4
4	4	4	4	4	4
3	4	4	4	4	4
3	4	4	4	5	4
4	4	5	4	5	5
4	4	4	2	4	4
4	4	4	2	4	4
2	1	5	2	5	2
4	4	5	3	4	4
2	4	4	4	4	3
2	5	5	4	5	4
4	3	4	4	4	4
4	4	5	4	5	4
2	4	4	4	5	4
3	3	4	3	5	1
4	4	5	4	5	4
3	4	5	4	5	4
2	4	3	3	4	1
3	4	3	4	5	4
3	4	4	3	4	4
3	4	5	3	4	4
3	3	4	4	4	3
3	3	5	4	5	4
4	4	4	3	4	4
2	3	4	4	4	3
5	5	4	5	4	5
3	3	3	2	3	3
3	3	4	4	4	3
3	4	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	4	4	4
4	4	4	4	5	4
3	3	4	4	4	4
4	4	5	4	4	4
3	3	3	3	2	4
1	2	3	3	3	3
2	5	4	4	3	5
2	2	2	2	2	2
5	4	5	4	5	4
3	2	2	1	2	2
2	2	3	3	3	2
2	2	2	3	3	2
5	4	4	5	4	4
3	4	5	4	5	3
3	3	3	3	3	3
4	4	4	4	5	4
3	5	4	2	5	4
1	1	4	1	2	1
2	4	4	3	4	3
4	5	5	4	4	4
3	3	3	3	3	3
2	2	4	3	3	4
2	2	2	4	4	2
2	3	3	3	3	3
3	3	3	4	3	3
3	3	3	3	3	3
4	4	4	4	4	4
2	4	2	5	5	5
2	3	5	5	5	5
4	4	5	4	5	4
3	3	5	4	4	5
5	4	4	5	4	4
5	4	5	3	5	4
3	4	5	2	4	4
3	5	4	4	5	4
5	3	3	5	5	3
4	4	4	5	5	5
4	4	5	5	5	5
5	4	4	3	4	5
1	3	4	2	4	2
4	3	4	5	4	4
4	4	4	4	5	4
1	5	5	5	5	4
3	4	4	4	4	4
2	4	4	2	5	3
3	3	5	3	4	4
4	4	5	4	4	4
3	5	5	5	5	5
2	3	5	4	5	3
3	3	4	5	4	4
3	3	4	2	3	4
4	4	5	4	5	4
4	4	5	5	5	4
4	3	3	4	4	3
4	4	4	4	4	3
3	5	5	5	5	5
4	5	5	4	4	3
4	4	4	4	3	4
3	4	4	2	3	4
3	4	2	4	2	4
3	2	3	2	4	4
4	4	5	4	4	4
4	5	5	3	4	4
4	4	4	4	4	4
4	4	4	3	3	4
3	3	4	2	4	4
1	2	4	4	4	4
3	3	3	3	3	3
4	4	5	4	4	4
4	4	4	4	5	4
4	4	5	4	4	5
4	4	4	4	4	4
4	4	4	4	4	4
4	3	4	2	3	4
3	4	5	4	5	3
3	2	3	4	4	3
2	5	5	4	5	4
4	3	3	4	2	4
3	2	4	2	4	3
3	4	5	3	3	3
4	3	4	4	4	4
3	5	3	2	1	3
3	4	5	5	5	4
5	4	5	5	5	5
3	4	4	2	4	4
4	3	4	4	4	4
4	4	4	4	2	3
4	2	4	4	4	4
4	3	3	1	4	4
4	2	3	4	2	4
4	4	4	5	5	4
4	4	5	4	5	4
4	2	3	2	4	4
2	3	4	3	4	3
4	3	4	2	4	3
4	3	5	3	4	4
4	4	5	3	4	4
2	3	3	5	2	4
3	4	4	4	4	3
5	3	5	5	4	4
4	4	3	4	4	4
5	5	5	5	5	4
3	3	3	4	4	4
2	4	1	2	1	2
2	1	2	3	3	2
2	2	1	4	3	3
4	4	4	2	4	3
2	3	1	3	2	2
4	3	3	4	4	3
4	3	4	4	4	4
4	4	4	4	4	4
4	3	5	3	5	3
5	4	4	3	4	4
4	5	4	5	4	5
4	5	4	5	3	5
4	4	4	5	4	4
3	3	3	4	4	4
3	3	3	2	2	4
3	4	4	2	4	4
5	4	4	3	4	5
4	3	5	5	5	4
3	4	5	4	5	4
3	4	4	2	4	3
3	4	3	4	4	4
3	3	3	4	3	3
3	4	3	3	4	4
3	4	5	3	5	3
3	4	3	5	5	2
3	4	4	4	3	4
3	2	5	4	4	3
3	4	4	4	4	4
4	5	3	5	3	4
4	5	4	3	5	4
5	5	5	2	5	5
4	4	4	3	5	4
3	3	3	3	4	3
3	5	4	5	4	5
5	3	4	5	4	4
3	4	4	4	4	4
3	4	3	5	4	4
3	4	4	4	3	4
5	5	5	4	5	4
4	4	4	2	2	3
5	5	4	4	5	4
2	3	3	4	2	4
3	3	4	2	2	3
4	4	4	4	5	4
4	4	5	2	5	5
5	4	4	4	5	4
4	2	4	3	4	4
4	3	4	3	3	4
4	4	3	4	3	4
4	4	3	4	4	3
4	3	3	1	5	3
4	4	4	4	4	4
5	4	3	5	5	4
3	4	3	4	3	4
4	5	5	5	4	5
4	4	4	4	4	4
2	3	4	2	4	3
4	4	4	2	4	4
4	4	4	4	4	4
2	3	5	3	4	2
3	3	3	3	3	3
3	5	4	4	3	4
4	2	3	4	4	4
3	3	4	2	3	3
4	4	5	3	5	4
2	3	4	3	4	2
4	4	5	4	5	4
4	2	4	4	4	2
3	4	4	4	4	4
3	3	3	3	3	3
4	5	4	4	5	4
2	3	3	1	2	3
4	2	4	2	3	3
2	3	4	4	4	2
3	4	5	5	4	3
4	3	4	5	4	5
3	4	4	4	4	4
4	2	3	2	4	4
3	4	4	4	3	3
2	4	4	2	4	2
4	4	4	4	4	4
1	2	5	4	3	1
3	4	4	5	5	3
4	4	4	5	5	3
3	4	2	4	2	3
4	3	4	2	2	2
3	3	3	3	4	4
4	3	3	4	3	4
3	3	3	4	4	3
3	3	4	3	3	4
3	5	4	4	5	5
5	4	5	4	4	2
3	4	4	4	5	3
3	2	3	2	5	4
4	4	5	4	5	4
4	4	5	5	5	5
2	3	5	3	5	3
3	3	4	2	3	3
5	4	4	2	5	4
3	4	5	4	4	4
3	3	4	5	5	4
3	4	4	4	4	4
3	4	4	4	4	2
3	4	3	5	5	3
5	4	5	4	4	4
4	4	4	4	4	4
4	3	3	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=309813&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=309813&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=309813&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 itmes0.72210.72590.71060.3062
Easy_to_find_Information excluded0.70540.70980.68030.3285
Sufficient_Hyperlinks excluded0.66880.67270.65090.2913
Quick_Computations excluded0.67920.68160.64690.2998
Easy_navigation excluded0.69680.69940.67710.3175
Quick_Loading excluded0.69330.69760.65960.3157
Easy_to_use_Website excluded0.65960.66530.6340.2845

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.7221 & 0.7259 & 0.7106 & 0.3062 \tabularnewline
Easy_to_find_Information excluded & 0.7054 & 0.7098 & 0.6803 & 0.3285 \tabularnewline
Sufficient_Hyperlinks excluded & 0.6688 & 0.6727 & 0.6509 & 0.2913 \tabularnewline
Quick_Computations excluded & 0.6792 & 0.6816 & 0.6469 & 0.2998 \tabularnewline
Easy_navigation excluded & 0.6968 & 0.6994 & 0.6771 & 0.3175 \tabularnewline
Quick_Loading excluded & 0.6933 & 0.6976 & 0.6596 & 0.3157 \tabularnewline
Easy_to_use_Website excluded & 0.6596 & 0.6653 & 0.634 & 0.2845 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=309813&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]0.7221[/C][C]0.7259[/C][C]0.7106[/C][C]0.3062[/C][/ROW]
[ROW][C]Easy_to_find_Information excluded[/C][C]0.7054[/C][C]0.7098[/C][C]0.6803[/C][C]0.3285[/C][/ROW]
[ROW][C]Sufficient_Hyperlinks excluded[/C][C]0.6688[/C][C]0.6727[/C][C]0.6509[/C][C]0.2913[/C][/ROW]
[ROW][C]Quick_Computations excluded[/C][C]0.6792[/C][C]0.6816[/C][C]0.6469[/C][C]0.2998[/C][/ROW]
[ROW][C]Easy_navigation excluded[/C][C]0.6968[/C][C]0.6994[/C][C]0.6771[/C][C]0.3175[/C][/ROW]
[ROW][C]Quick_Loading excluded[/C][C]0.6933[/C][C]0.6976[/C][C]0.6596[/C][C]0.3157[/C][/ROW]
[ROW][C]Easy_to_use_Website excluded[/C][C]0.6596[/C][C]0.6653[/C][C]0.634[/C][C]0.2845[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=309813&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=309813&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 itmes0.72210.72590.71060.3062
Easy_to_find_Information excluded0.70540.70980.68030.3285
Sufficient_Hyperlinks excluded0.66880.67270.65090.2913
Quick_Computations excluded0.67920.68160.64690.2998
Easy_navigation excluded0.69680.69940.67710.3175
Quick_Loading excluded0.69330.69760.65960.3157
Easy_to_use_Website excluded0.65960.66530.6340.2845


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')