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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

Thu, 10 Jan 2019 11:37:56 +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/2019/Jan/10/t1547118444xvq92vxyxu7xf3d.htm/, Retrieved Sat, 27 Apr 2024 17:20:33 +0000

Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=316289, Retrieved Sat, 27 Apr 2024 17:20:33 +0000

QR Codes:

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Original text written by user:

IsPrivate?

No (this computation is public)

User-defined keywords

Control Group (W3) Cronbach's Alpha

Estimated Impact

145

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

-       [Cronbach Alpha] [Control Group (W3...] [2019-01-10 10:37:56] [d41d8cd98f00b204e9800998ecf8427e] [Current]

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Dataseries X:

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Histogram

Boxplots

5	5	5	5	5	5	5	5	5	5
5	5	5	5	5	5	5	5	5	5
5	5	5	5	5	5	5	5	5	4
5	4	5	5	5	5	5	5	5	5
5	5	5	5	5	5	5	5	5	4
5	5	5	5	5	5	5	5	5	4
5	5	5	5	5	5	4	4	5	5
5	5	5	5	4	5	5	5	5	4
4	4	5	4	5	5	5	5	5	5
5	4	4	4	4	5	5	5	5	5
5	5	5	4	3	3	5	5	5	5
5	4	4	4	4	5	5	5	5	4
4	4	5	4	4	5	5	5	4	4
4	5	3	5	4	5	5	4	4	5
4	4	5	4	5	4	4	4	5	4
4	4	4	5	4	5	4	4	5	4
4	4	5	5	5	4	4	4	4	4
5	4	4	4	4	4	5	5	4	3
4	4	4	4	4	5	4	4	4	5
4	4	4	3	4	5	5	4	4	4
4	4	4	4	4	4	4	4	5	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	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	4	4	4	4	4	4	4
4	4	3	3	3	5	4	4	4	3
4	4	2	2	4	3	4	3	2	4

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=316289&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=316289&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=316289&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	0.8937	0.8953	0.9404	0.461
Q1 excluded	0.8811	0.8805	0.9242	0.4501
Q2 excluded	0.886	0.8866	0.928	0.4648
Q3 excluded	0.8758	0.879	0.9186	0.4467
Q4 excluded	0.8747	0.8782	0.9266	0.4447
Q5 excluded	0.8897	0.8932	0.9325	0.4817
Q6 excluded	0.8908	0.8926	0.9377	0.48
Q7 excluded	0.885	0.885	0.9204	0.461
Q8 excluded	0.875	0.8759	0.9082	0.4394
Q9 excluded	0.8726	0.8767	0.926	0.4414
Q10 excluded	0.8976	0.9002	0.9473	0.5006

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.8937 & 0.8953 & 0.9404 & 0.461 \tabularnewline
Q1 excluded & 0.8811 & 0.8805 & 0.9242 & 0.4501 \tabularnewline
Q2 excluded & 0.886 & 0.8866 & 0.928 & 0.4648 \tabularnewline
Q3 excluded & 0.8758 & 0.879 & 0.9186 & 0.4467 \tabularnewline
Q4 excluded & 0.8747 & 0.8782 & 0.9266 & 0.4447 \tabularnewline
Q5 excluded & 0.8897 & 0.8932 & 0.9325 & 0.4817 \tabularnewline
Q6 excluded & 0.8908 & 0.8926 & 0.9377 & 0.48 \tabularnewline
Q7 excluded & 0.885 & 0.885 & 0.9204 & 0.461 \tabularnewline
Q8 excluded & 0.875 & 0.8759 & 0.9082 & 0.4394 \tabularnewline
Q9 excluded & 0.8726 & 0.8767 & 0.926 & 0.4414 \tabularnewline
Q10 excluded & 0.8976 & 0.9002 & 0.9473 & 0.5006 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=316289&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]0.8937[/C][C]0.8953[/C][C]0.9404[/C][C]0.461[/C][/ROW]
[ROW][C]Q1 excluded[/C][C]0.8811[/C][C]0.8805[/C][C]0.9242[/C][C]0.4501[/C][/ROW]
[ROW][C]Q2 excluded[/C][C]0.886[/C][C]0.8866[/C][C]0.928[/C][C]0.4648[/C][/ROW]
[ROW][C]Q3 excluded[/C][C]0.8758[/C][C]0.879[/C][C]0.9186[/C][C]0.4467[/C][/ROW]
[ROW][C]Q4 excluded[/C][C]0.8747[/C][C]0.8782[/C][C]0.9266[/C][C]0.4447[/C][/ROW]
[ROW][C]Q5 excluded[/C][C]0.8897[/C][C]0.8932[/C][C]0.9325[/C][C]0.4817[/C][/ROW]
[ROW][C]Q6 excluded[/C][C]0.8908[/C][C]0.8926[/C][C]0.9377[/C][C]0.48[/C][/ROW]
[ROW][C]Q7 excluded[/C][C]0.885[/C][C]0.885[/C][C]0.9204[/C][C]0.461[/C][/ROW]
[ROW][C]Q8 excluded[/C][C]0.875[/C][C]0.8759[/C][C]0.9082[/C][C]0.4394[/C][/ROW]
[ROW][C]Q9 excluded[/C][C]0.8726[/C][C]0.8767[/C][C]0.926[/C][C]0.4414[/C][/ROW]
[ROW][C]Q10 excluded[/C][C]0.8976[/C][C]0.9002[/C][C]0.9473[/C][C]0.5006[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=316289&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=316289&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	0.8937	0.8953	0.9404	0.461
Q1 excluded	0.8811	0.8805	0.9242	0.4501
Q2 excluded	0.886	0.8866	0.928	0.4648
Q3 excluded	0.8758	0.879	0.9186	0.4467
Q4 excluded	0.8747	0.8782	0.9266	0.4447
Q5 excluded	0.8897	0.8932	0.9325	0.4817
Q6 excluded	0.8908	0.8926	0.9377	0.48
Q7 excluded	0.885	0.885	0.9204	0.461
Q8 excluded	0.875	0.8759	0.9082	0.4394
Q9 excluded	0.8726	0.8767	0.926	0.4414
Q10 excluded	0.8976	0.9002	0.9473	0.5006

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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Input Parameters & R Code