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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

Sun, 16 Jan 2022 17:26:41 +0100

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/2022/Jan/16/t1642350657ez6ufg7eoguti7u.htm/, Retrieved Tue, 21 May 2024 02:42:46 +0000

Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=319598, Retrieved Tue, 21 May 2024 02:42:46 +0000

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Original text written by user:

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No (this computation is public)

User-defined keywords

Estimated Impact

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

-       [Cronbach Alpha] [] [2022-01-16 16:26:41] [d41d8cd98f00b204e9800998ecf8427e] [Current]

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Dataseries X:

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Histogram

Boxplots

2	2	2	1	1	2	1	2	1	1	1	1	1
1	1	1	1	1	1	1	1	1	1	1	1	1
1	1	1	1	1	1	1	1	1	1	1	1	1
2	1	1	1	1	2	2	2	1	1	1	1	1
1	1	1	1	1	1	1	1	1	1	1	1	1
2	2	1	1	1	2	2	2	1	1	1	1	1
1	1	1	1	1	2	2	2	1	1	1	1	1
1	1	1	1	1	2	1	1	1	1	1	1	1
1	1	1	1	1	2	2	1	1	1	1	2	2
1	2	1	1	1	1	1	1	1	1	1	2	2
1	1	1	2	2	1	1	1	1	1	2	1	1
1	2	1	1	1	1	2	2	1	1	1	1	1
1	1	1	1	1	1	1	1	2	2	1	1	1
1	1	1	1	1	2	2	1	1	1	1	1	1
2	2	1	2	1	1	1	1	1	1	1	1	1
2	1	1	1	1	2	2	2	1	2	1	1	1
1	1	1	1	1	2	2	1	2	1	2	2	2
1	2	2	1	1	1	2	1	1	1	1	1	1

Summary of computational transaction
Raw Input	view raw input (R code)
Raw Output	view raw output of R engine
Computing time	0 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 time0 seconds \tabularnewline
R ServerBig Analytics Cloud Computing Center \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=319598&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]

0 seconds[/C][/ROW] [ROW]

R Server[/C]

Big Analytics Cloud Computing Center[/C][/ROW] [/TABLE] Source: https://freestatistics.org/blog/index.php?pk=319598&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=319598&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	0 seconds
R Server	Big Analytics Cloud Computing Center

Cronbach Alpha and Related Statistics
Items	Cronbach Alpha	Std. Alpha	G6(smc)	Average R
All itmes	0.7011	0.7052	0.9204	0.1554
q1 excluded	0.6485	0.6643	0.8948	0.1416
q2 excluded	0.7088	0.705	0.9024	0.1661
q3 excluded	0.6917	0.6983	0.9182	0.1617
q4 excluded	0.6936	0.695	0.9027	0.1596
q5 excluded	0.684	0.6794	0.8911	0.1501
q6 excluded	0.6935	0.6981	0.9095	0.1615
q7 excluded	0.6935	0.6984	0.9201	0.1617
q8 excluded	0.613	0.6399	0.8924	0.129
q9 excluded	0.6936	0.7026	0.8958	0.1645
q10 excluded	0.7161	0.7269	0.9132	0.1816
q11 excluded	0.666	0.6534	0.8772	0.1358
q12 excluded	0.6838	0.6855	0.8951	0.1537
q13 excluded	0.6838	0.6855	0.8951	0.1537

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.7011 & 0.7052 & 0.9204 & 0.1554 \tabularnewline
q1 excluded & 0.6485 & 0.6643 & 0.8948 & 0.1416 \tabularnewline
q2 excluded & 0.7088 & 0.705 & 0.9024 & 0.1661 \tabularnewline
q3 excluded & 0.6917 & 0.6983 & 0.9182 & 0.1617 \tabularnewline
q4 excluded & 0.6936 & 0.695 & 0.9027 & 0.1596 \tabularnewline
q5 excluded & 0.684 & 0.6794 & 0.8911 & 0.1501 \tabularnewline
q6 excluded & 0.6935 & 0.6981 & 0.9095 & 0.1615 \tabularnewline
q7 excluded & 0.6935 & 0.6984 & 0.9201 & 0.1617 \tabularnewline
q8 excluded & 0.613 & 0.6399 & 0.8924 & 0.129 \tabularnewline
q9 excluded & 0.6936 & 0.7026 & 0.8958 & 0.1645 \tabularnewline
q10 excluded & 0.7161 & 0.7269 & 0.9132 & 0.1816 \tabularnewline
q11 excluded & 0.666 & 0.6534 & 0.8772 & 0.1358 \tabularnewline
q12 excluded & 0.6838 & 0.6855 & 0.8951 & 0.1537 \tabularnewline
q13 excluded & 0.6838 & 0.6855 & 0.8951 & 0.1537 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=319598&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]0.7011[/C][C]0.7052[/C][C]0.9204[/C][C]0.1554[/C][/ROW]
[ROW][C]q1 excluded[/C][C]0.6485[/C][C]0.6643[/C][C]0.8948[/C][C]0.1416[/C][/ROW]
[ROW][C]q2 excluded[/C][C]0.7088[/C][C]0.705[/C][C]0.9024[/C][C]0.1661[/C][/ROW]
[ROW][C]q3 excluded[/C][C]0.6917[/C][C]0.6983[/C][C]0.9182[/C][C]0.1617[/C][/ROW]
[ROW][C]q4 excluded[/C][C]0.6936[/C][C]0.695[/C][C]0.9027[/C][C]0.1596[/C][/ROW]
[ROW][C]q5 excluded[/C][C]0.684[/C][C]0.6794[/C][C]0.8911[/C][C]0.1501[/C][/ROW]
[ROW][C]q6 excluded[/C][C]0.6935[/C][C]0.6981[/C][C]0.9095[/C][C]0.1615[/C][/ROW]
[ROW][C]q7 excluded[/C][C]0.6935[/C][C]0.6984[/C][C]0.9201[/C][C]0.1617[/C][/ROW]
[ROW][C]q8 excluded[/C][C]0.613[/C][C]0.6399[/C][C]0.8924[/C][C]0.129[/C][/ROW]
[ROW][C]q9 excluded[/C][C]0.6936[/C][C]0.7026[/C][C]0.8958[/C][C]0.1645[/C][/ROW]
[ROW][C]q10 excluded[/C][C]0.7161[/C][C]0.7269[/C][C]0.9132[/C][C]0.1816[/C][/ROW]
[ROW][C]q11 excluded[/C][C]0.666[/C][C]0.6534[/C][C]0.8772[/C][C]0.1358[/C][/ROW]
[ROW][C]q12 excluded[/C][C]0.6838[/C][C]0.6855[/C][C]0.8951[/C][C]0.1537[/C][/ROW]
[ROW][C]q13 excluded[/C][C]0.6838[/C][C]0.6855[/C][C]0.8951[/C][C]0.1537[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=319598&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=319598&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	0.7011	0.7052	0.9204	0.1554
q1 excluded	0.6485	0.6643	0.8948	0.1416
q2 excluded	0.7088	0.705	0.9024	0.1661
q3 excluded	0.6917	0.6983	0.9182	0.1617
q4 excluded	0.6936	0.695	0.9027	0.1596
q5 excluded	0.684	0.6794	0.8911	0.1501
q6 excluded	0.6935	0.6981	0.9095	0.1615
q7 excluded	0.6935	0.6984	0.9201	0.1617
q8 excluded	0.613	0.6399	0.8924	0.129
q9 excluded	0.6936	0.7026	0.8958	0.1645
q10 excluded	0.7161	0.7269	0.9132	0.1816
q11 excluded	0.666	0.6534	0.8772	0.1358
q12 excluded	0.6838	0.6855	0.8951	0.1537
q13 excluded	0.6838	0.6855	0.8951	0.1537

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')

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