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Author

*The author of this computation has been verified*

R Software Module

rwasp_cronbach.wasp

Title produced by software

Cronbach Alpha

Date of computation

Mon, 23 Jan 2017 09:42:44 +0100

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Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?v=date/2017/Jan/23/t14851610423ohmrca9595xb93.htm/, Retrieved Wed, 15 May 2024 22:34:26 +0000

Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=304043, Retrieved Wed, 15 May 2024 22:34:26 +0000

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Estimated Impact

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

-       [Cronbach Alpha] [bonusvraag] [2017-01-23 08:42:44] [cedc5386ad7644fa02c81dc221bdf6b7] [Current]

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Dataseries X:

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22 13 22 4 2 4 3 5 4
24 16 24 5 3 3 4 5 4
21 17 26 4 4 5 4 5 4
21 NA 21 3 4 3 3 4 4
24 NA 26 4 4 5 4 5 4
20 16 25 3 4 4 4 5 5
22 NA 21 3 4 4 3 3 4
20 NA 24 3 4 5 4 4 4
19 NA 27 4 5 4 4 5 5
23 17 28 4 5 5 4 5 5
21 17 23 4 4 2 4 5 4
19 15 25 4 4 5 3 5 4
19 16 24 4 4 4 3 4 5
21 14 24 3 3 5 4 4 5
21 16 24 4 4 5 4 2 5
22 17 25 3 4 5 4 4 5
22 NA 25 3 4 5 4 4 5
19 NA NA NA NA 5 NA 5 5
21 NA 25 5 5 4 3 4 4
21 NA 25 4 4 4 4 5 4
21 16 24 3 4 5 3 4 5
20 NA 26 4 4 4 4 5 5
22 16 26 4 4 5 4 4 5
22 NA 25 4 4 5 4 4 4
24 NA 26 4 4 5 4 4 5
21 NA 23 3 4 4 4 4 4
19 16 24 3 4 4 3 5 5
19 15 24 4 4 4 4 4 4
23 16 25 2 4 5 4 5 5
21 16 25 5 4 4 4 4 4
21 13 24 4 3 5 4 4 4
19 15 28 4 5 5 4 5 5
21 17 27 5 4 5 4 4 5
19 NA NA 4 3 5 4 NA 5
21 13 23 2 3 5 4 5 4
21 17 23 4 5 2 4 4 4
23 NA 24 3 4 5 4 4 4
19 14 24 4 3 5 3 4 5
19 14 22 4 3 3 4 4 4
19 18 25 4 4 5 4 4 4
18 NA 25 5 4 4 4 4 4
22 17 28 4 5 5 4 5 5
18 13 22 3 3 4 4 4 4
22 16 28 5 5 5 3 5 5
18 15 25 5 4 5 3 4 4
22 15 24 4 4 4 3 4 5
22 NA 24 4 4 4 4 4 4
19 15 23 3 5 5 3 3 4
22 13 25 4 4 4 4 5 4
25 NA NA 2 3 4 2 NA 4
19 17 26 4 5 5 4 4 4
19 NA 25 5 5 2 4 5 4
19 NA 27 5 5 5 4 4 4
19 11 26 4 3 5 4 5 5
21 14 23 4 3 4 3 4 5
21 13 25 4 4 5 4 4 4
20 NA 21 3 4 4 3 3 4
19 17 22 3 4 4 4 4 3
19 16 24 4 4 4 3 5 4
22 NA 25 4 4 4 4 5 4
26 17 27 5 5 3 4 5 5
19 16 24 2 4 4 4 5 5
21 16 26 4 4 4 4 5 5
21 16 21 3 4 4 4 2 4
20 15 27 4 4 5 4 5 5
23 12 22 4 2 4 4 4 4
22 17 23 4 4 4 3 5 3
22 14 24 4 4 4 3 5 4
22 14 25 5 4 5 3 3 5
21 16 24 3 4 4 3 5 5
21 NA 23 3 4 4 3 4 5
22 NA 28 4 5 5 5 5 4
23 NA NA 4 4 3 4 NA 4
18 NA 24 4 4 4 4 4 4
24 NA 26 4 4 4 5 5 4
22 15 22 3 4 3 4 4 4
21 16 25 4 4 4 4 5 4
21 14 25 3 4 5 3 5 5
21 15 24 3 3 5 4 4 5
23 17 24 4 3 5 4 4 4
21 NA 26 4 4 5 4 4 5
23 10 21 3 3 3 4 4 4
21 NA 25 4 4 4 4 5 4
19 17 25 4 4 3 4 5 5
21 NA 26 4 4 4 4 5 5
21 20 25 5 4 4 4 4 4
21 17 26 5 4 3 5 4 5
23 18 27 4 4 5 4 5 5
23 NA 25 3 4 5 4 4 5
20 17 NA 3 NA 4 4 4 4
20 14 20 4 2 3 3 4 4
19 NA 24 4 4 5 4 4 3
23 17 26 4 4 5 4 4 5
22 NA 25 4 4 4 4 5 4
19 17 25 4 5 4 4 5 3
23 NA 24 3 4 4 3 5 5
22 16 26 4 4 5 4 4 5
22 18 25 5 4 3 4 4 5
21 18 28 5 4 5 5 4 5
21 16 27 4 5 4 4 5 5
21 NA 25 3 4 5 4 4 5
21 NA 26 5 3 4 4 5 5
22 15 26 4 4 5 4 4 5
25 13 26 5 4 4 4 4 5
21 NA NA 3 4 4 3 NA 4
23 NA 28 5 4 4 5 5 5
19 NA NA 4 4 5 3 NA 5
22 NA 21 4 4 3 3 4 3
20 NA 25 4 4 5 4 4 4
21 16 25 4 4 5 4 4 4
25 NA 24 3 4 5 4 5 3
21 NA 24 4 4 4 4 4 4
19 NA 24 4 4 4 3 4 5
23 12 23 3 3 4 3 5 5
22 NA 23 4 4 4 3 4 4
21 16 24 3 4 5 4 4 4
24 16 24 4 4 5 4 3 4
21 NA 25 5 4 5 1 5 5
19 16 28 5 4 5 4 5 5
18 14 23 4 4 4 4 4 3
19 15 24 4 4 5 3 4 4
20 14 23 3 4 4 3 4 5
19 NA 24 4 4 4 4 4 4
22 15 25 4 4 4 4 5 4
21 NA 24 4 5 3 4 4 4
22 15 23 3 4 4 4 4 4
24 16 23 4 4 4 3 4 4
28 NA 25 4 4 4 4 4 5
19 NA 21 3 4 3 3 4 4
18 NA 22 4 4 4 3 4 3
23 11 19 3 2 4 2 4 4
19 NA 24 4 4 4 3 5 4
23 18 25 5 4 4 3 5 4
19 NA 21 2 4 4 3 3 5
22 11 22 3 3 4 4 4 4
21 NA 23 4 4 4 3 4 4
19 18 27 5 5 4 4 5 4
22 NA NA NA NA 2 NA NA NA
21 15 26 4 5 5 4 4 4
23 19 29 5 5 5 5 5 4
22 17 28 4 5 5 4 5 5
19 NA 24 4 4 4 3 4 5
19 14 25 3 4 5 4 5 4
21 NA 25 4 4 5 4 4 4
22 13 22 4 4 2 4 4 4
21 17 25 4 4 3 4 5 5
20 14 26 4 4 4 4 5 5
23 19 26 5 4 5 3 5 4
22 14 24 4 3 5 4 4 4
23 NA 25 4 4 5 4 4 4
22 NA 19 3 3 2 3 4 4
21 16 25 4 5 5 4 4 3
20 16 23 4 4 4 3 4 4
18 15 25 4 4 4 4 4 5
18 12 25 3 4 5 3 5 5
20 NA 26 4 4 5 4 4 5
19 17 27 5 4 5 4 5 4
21 NA 24 4 4 5 4 3 4
24 NA 22 2 3 5 4 4 4
19 18 25 4 4 4 4 4 5
20 15 24 4 3 4 3 5 5
19 18 23 4 4 4 4 4 3
23 15 27 4 5 5 5 4 4
22 NA 24 5 4 3 4 4 4
21 NA 24 5 4 4 3 4 4
24 NA 21 3 3 1 4 5 5
21 16 25 4 4 4 4 4 5
21 NA 25 4 4 4 4 5 4
22 16 23 2 3 4 5 5 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=304043&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=304043&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=304043&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	0.6049	0.6367	0.8578	0.163
Bevr_Leeftijd excluded	0.6864	0.6757	0.8886	0.2066
TVDC excluded	0.5372	0.574	0.849	0.1442
SKEOUSUM excluded	0.3592	0.4427	0.4848	0.0903
SKEOU1 excluded	0.5679	0.6062	0.7543	0.1614
SKEOU2 excluded	0.5589	0.5818	0.7615	0.1482
SKEOU3 excluded	0.5976	0.646	0.7471	0.1857
SKEOU4 excluded	0.5791	0.6141	0.7871	0.1659
SKEOU5 excluded	0.5925	0.6348	0.7736	0.1785
SKEOU6 excluded	0.5997	0.6466	0.7893	0.1862

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.6049 & 0.6367 & 0.8578 & 0.163 \tabularnewline
Bevr_Leeftijd excluded & 0.6864 & 0.6757 & 0.8886 & 0.2066 \tabularnewline
TVDC excluded & 0.5372 & 0.574 & 0.849 & 0.1442 \tabularnewline
SKEOUSUM excluded & 0.3592 & 0.4427 & 0.4848 & 0.0903 \tabularnewline
SKEOU1 excluded & 0.5679 & 0.6062 & 0.7543 & 0.1614 \tabularnewline
SKEOU2 excluded & 0.5589 & 0.5818 & 0.7615 & 0.1482 \tabularnewline
SKEOU3 excluded & 0.5976 & 0.646 & 0.7471 & 0.1857 \tabularnewline
SKEOU4 excluded & 0.5791 & 0.6141 & 0.7871 & 0.1659 \tabularnewline
SKEOU5 excluded & 0.5925 & 0.6348 & 0.7736 & 0.1785 \tabularnewline
SKEOU6 excluded & 0.5997 & 0.6466 & 0.7893 & 0.1862 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=304043&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]0.6049[/C][C]0.6367[/C][C]0.8578[/C][C]0.163[/C][/ROW]
[ROW][C]Bevr_Leeftijd excluded[/C][C]0.6864[/C][C]0.6757[/C][C]0.8886[/C][C]0.2066[/C][/ROW]
[ROW][C]TVDC excluded[/C][C]0.5372[/C][C]0.574[/C][C]0.849[/C][C]0.1442[/C][/ROW]
[ROW][C]SKEOUSUM excluded[/C][C]0.3592[/C][C]0.4427[/C][C]0.4848[/C][C]0.0903[/C][/ROW]
[ROW][C]SKEOU1 excluded[/C][C]0.5679[/C][C]0.6062[/C][C]0.7543[/C][C]0.1614[/C][/ROW]
[ROW][C]SKEOU2 excluded[/C][C]0.5589[/C][C]0.5818[/C][C]0.7615[/C][C]0.1482[/C][/ROW]
[ROW][C]SKEOU3 excluded[/C][C]0.5976[/C][C]0.646[/C][C]0.7471[/C][C]0.1857[/C][/ROW]
[ROW][C]SKEOU4 excluded[/C][C]0.5791[/C][C]0.6141[/C][C]0.7871[/C][C]0.1659[/C][/ROW]
[ROW][C]SKEOU5 excluded[/C][C]0.5925[/C][C]0.6348[/C][C]0.7736[/C][C]0.1785[/C][/ROW]
[ROW][C]SKEOU6 excluded[/C][C]0.5997[/C][C]0.6466[/C][C]0.7893[/C][C]0.1862[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=304043&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=304043&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	0.6049	0.6367	0.8578	0.163
Bevr_Leeftijd excluded	0.6864	0.6757	0.8886	0.2066
TVDC excluded	0.5372	0.574	0.849	0.1442
SKEOUSUM excluded	0.3592	0.4427	0.4848	0.0903
SKEOU1 excluded	0.5679	0.6062	0.7543	0.1614
SKEOU2 excluded	0.5589	0.5818	0.7615	0.1482
SKEOU3 excluded	0.5976	0.646	0.7471	0.1857
SKEOU4 excluded	0.5791	0.6141	0.7871	0.1659
SKEOU5 excluded	0.5925	0.6348	0.7736	0.1785
SKEOU6 excluded	0.5997	0.6466	0.7893	0.1862

Parameters (Session):

par1 = 1 ; par2 = 2 ; par3 = Exact Pearson Chi-Squared by Simulation ;

Parameters (R input):

par1 = 1 ;

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