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Author's title

Author

*Unverified author*

R Software Module

rwasp_cronbach.wasp

Title produced by software

Cronbach Alpha

Date of computation

Fri, 03 May 2019 05:42:41 +0200

Cite this page as follows

Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?v=date/2019/May/03/t1556855105u5vkpq8990du0qk.htm/, Retrieved Fri, 03 May 2024 01:45:16 +0000

Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=318800, Retrieved Fri, 03 May 2024 01:45:16 +0000

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IsPrivate?

No (this computation is public)

User-defined keywords

Estimated Impact

120

Family? (F = Feedback message, R = changed R code, M = changed R Module, P = changed Parameters, D = changed Data)

-       [Cronbach Alpha] [Confiabilidad esc...] [2019-05-03 03:42:41] [d41d8cd98f00b204e9800998ecf8427e] [Current]

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Histogram

Boxplots

3	2	4	2	3	3	2	2	3	3	2	2	2	4	3	3	3	2
3	4	3	3	3	2	3	3	3	2	3	2	3	2	3	3	2	2
4	4	4	4	3	4	4	4	4	3	4	3	4	4	4	4	4	3
3	3	3	2	4	2	3	3	3	4	4	2	3	3	4	4	3	3
3	4	3	3	3	3	2	2	3	3	2	3	2	3	3	4	3	1

Summary of computational transaction
Raw Input	view raw input (R code)
Raw Output	view raw output of R engine
Computing time	1 seconds
R Server	Big 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=318800&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=318800&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=318800&T=0

As an alternative you can also use a 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 Output	view raw output of R engine
Computing time	1 seconds
R Server	Big Analytics Cloud Computing Center

Cronbach Alpha and Related Statistics
Items	Cronbach Alpha	Std. Alpha	G6(smc)	Average R
All itmes	0.9135	0.9199	1	0.3896
a1 excluded	0.9044	0.9076	1	0.3663
a2 excluded	0.9196	0.9241	1	0.4175
a3 excluded	0.9137	0.9215	1	0.4085
a4 excluded	0.9087	0.9161	1	0.3912
a5 excluded	0.9182	0.9288	1	0.4344
a6 excluded	0.91	0.916	1	0.3907
a7 excluded	0.9007	0.9101	1	0.3733
a8 excluded	0.9007	0.9101	1	0.3733
a9 excluded	0.9044	0.9076	1	0.3663
a10 excluded	0.9181	0.9239	1	0.4165
a11 excluded	0.9046	0.9125	1	0.3801
a12 excluded	0.9114	0.9186	1	0.3989
a13 excluded	0.9007	0.9101	1	0.3733
a14 excluded	0.9153	0.9198	1	0.4027
a15 excluded	0.9041	0.9095	1	0.3716
a16 excluded	0.9093	0.9156	1	0.3896
a17 excluded	0.9037	0.9102	1	0.3735
a18 excluded	0.9067	0.9142	1	0.3854

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.9135 & 0.9199 & 1 & 0.3896 \tabularnewline
a1 excluded & 0.9044 & 0.9076 & 1 & 0.3663 \tabularnewline
a2 excluded & 0.9196 & 0.9241 & 1 & 0.4175 \tabularnewline
a3 excluded & 0.9137 & 0.9215 & 1 & 0.4085 \tabularnewline
a4 excluded & 0.9087 & 0.9161 & 1 & 0.3912 \tabularnewline
a5 excluded & 0.9182 & 0.9288 & 1 & 0.4344 \tabularnewline
a6 excluded & 0.91 & 0.916 & 1 & 0.3907 \tabularnewline
a7 excluded & 0.9007 & 0.9101 & 1 & 0.3733 \tabularnewline
a8 excluded & 0.9007 & 0.9101 & 1 & 0.3733 \tabularnewline
a9 excluded & 0.9044 & 0.9076 & 1 & 0.3663 \tabularnewline
a10 excluded & 0.9181 & 0.9239 & 1 & 0.4165 \tabularnewline
a11 excluded & 0.9046 & 0.9125 & 1 & 0.3801 \tabularnewline
a12 excluded & 0.9114 & 0.9186 & 1 & 0.3989 \tabularnewline
a13 excluded & 0.9007 & 0.9101 & 1 & 0.3733 \tabularnewline
a14 excluded & 0.9153 & 0.9198 & 1 & 0.4027 \tabularnewline
a15 excluded & 0.9041 & 0.9095 & 1 & 0.3716 \tabularnewline
a16 excluded & 0.9093 & 0.9156 & 1 & 0.3896 \tabularnewline
a17 excluded & 0.9037 & 0.9102 & 1 & 0.3735 \tabularnewline
a18 excluded & 0.9067 & 0.9142 & 1 & 0.3854 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=318800&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]0.9135[/C][C]0.9199[/C][C]1[/C][C]0.3896[/C][/ROW]
[ROW][C]a1 excluded[/C][C]0.9044[/C][C]0.9076[/C][C]1[/C][C]0.3663[/C][/ROW]
[ROW][C]a2 excluded[/C][C]0.9196[/C][C]0.9241[/C][C]1[/C][C]0.4175[/C][/ROW]
[ROW][C]a3 excluded[/C][C]0.9137[/C][C]0.9215[/C][C]1[/C][C]0.4085[/C][/ROW]
[ROW][C]a4 excluded[/C][C]0.9087[/C][C]0.9161[/C][C]1[/C][C]0.3912[/C][/ROW]
[ROW][C]a5 excluded[/C][C]0.9182[/C][C]0.9288[/C][C]1[/C][C]0.4344[/C][/ROW]
[ROW][C]a6 excluded[/C][C]0.91[/C][C]0.916[/C][C]1[/C][C]0.3907[/C][/ROW]
[ROW][C]a7 excluded[/C][C]0.9007[/C][C]0.9101[/C][C]1[/C][C]0.3733[/C][/ROW]
[ROW][C]a8 excluded[/C][C]0.9007[/C][C]0.9101[/C][C]1[/C][C]0.3733[/C][/ROW]
[ROW][C]a9 excluded[/C][C]0.9044[/C][C]0.9076[/C][C]1[/C][C]0.3663[/C][/ROW]
[ROW][C]a10 excluded[/C][C]0.9181[/C][C]0.9239[/C][C]1[/C][C]0.4165[/C][/ROW]
[ROW][C]a11 excluded[/C][C]0.9046[/C][C]0.9125[/C][C]1[/C][C]0.3801[/C][/ROW]
[ROW][C]a12 excluded[/C][C]0.9114[/C][C]0.9186[/C][C]1[/C][C]0.3989[/C][/ROW]
[ROW][C]a13 excluded[/C][C]0.9007[/C][C]0.9101[/C][C]1[/C][C]0.3733[/C][/ROW]
[ROW][C]a14 excluded[/C][C]0.9153[/C][C]0.9198[/C][C]1[/C][C]0.4027[/C][/ROW]
[ROW][C]a15 excluded[/C][C]0.9041[/C][C]0.9095[/C][C]1[/C][C]0.3716[/C][/ROW]
[ROW][C]a16 excluded[/C][C]0.9093[/C][C]0.9156[/C][C]1[/C][C]0.3896[/C][/ROW]
[ROW][C]a17 excluded[/C][C]0.9037[/C][C]0.9102[/C][C]1[/C][C]0.3735[/C][/ROW]
[ROW][C]a18 excluded[/C][C]0.9067[/C][C]0.9142[/C][C]1[/C][C]0.3854[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=318800&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=318800&T=1

As an alternative you can also use a QR Code:

The GUIDs for individual cells are displayed in the table below:

Cronbach Alpha and Related Statistics
Items	Cronbach Alpha	Std. Alpha	G6(smc)	Average R
All itmes	0.9135	0.9199	1	0.3896
a1 excluded	0.9044	0.9076	1	0.3663
a2 excluded	0.9196	0.9241	1	0.4175
a3 excluded	0.9137	0.9215	1	0.4085
a4 excluded	0.9087	0.9161	1	0.3912
a5 excluded	0.9182	0.9288	1	0.4344
a6 excluded	0.91	0.916	1	0.3907
a7 excluded	0.9007	0.9101	1	0.3733
a8 excluded	0.9007	0.9101	1	0.3733
a9 excluded	0.9044	0.9076	1	0.3663
a10 excluded	0.9181	0.9239	1	0.4165
a11 excluded	0.9046	0.9125	1	0.3801
a12 excluded	0.9114	0.9186	1	0.3989
a13 excluded	0.9007	0.9101	1	0.3733
a14 excluded	0.9153	0.9198	1	0.4027
a15 excluded	0.9041	0.9095	1	0.3716
a16 excluded	0.9093	0.9156	1	0.3896
a17 excluded	0.9037	0.9102	1	0.3735
a18 excluded	0.9067	0.9142	1	0.3854

Parameters (Session):

par1 = FALSE ;

Parameters (R input):

par1 = FALSE ;

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')

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Dataset

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Input Parameters & R Code