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Author's title

Author

*The author of this computation has been verified*

R Software Module

rwasp_cronbach.wasp

Title produced by software

Cronbach Alpha

Date of computation

Fri, 12 Dec 2014 13:30:34 +0000

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/2014/Dec/12/t1418391046axdpr6rh85db9ok.htm/, Retrieved Thu, 16 May 2024 09:57:37 +0000

Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=266673, Retrieved Thu, 16 May 2024 09:57:37 +0000

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Original text written by user:

IsPrivate?

No (this computation is public)

User-defined keywords

Estimated Impact

112

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

-     [Survey Scores] [Intrinsic Motivat...] [2010-10-12 11:18:40] [b98453cac15ba1066b407e146608df68]
- RMP   [Survey Scores] [] [2014-10-09 22:08:50] [32b17a345b130fdf5cc88718ed94a974]
-         [Survey Scores] [vraag 1 academic ...] [2014-10-10 10:54:35] [c341f9bcf4df135dba5d5e55978631fd]
-    D      [Survey Scores] [paper kendall tau...] [2014-11-26 14:23:18] [15866c21ed6246d5efde5ff3ba421193]
-    D        [Survey Scores] [cr5] [2014-12-02 11:47:28] [15866c21ed6246d5efde5ff3ba421193]
-    D          [Survey Scores] [cr6] [2014-12-02 11:54:39] [15866c21ed6246d5efde5ff3ba421193]
- RMPD            [Cronbach Alpha] [CRONBACH11] [2014-12-11 12:06:47] [15866c21ed6246d5efde5ff3ba421193]
- R PD                [Cronbach Alpha] [alpha4] [2014-12-12 13:30:34] [69667246dd207ce9acb00bd9a43352d5] [Current]

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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	'Gwilym Jenkins' @ jenkins.wessa.net

\begin{tabular}{lllllllll}
\hline
Summary of computational transaction \tabularnewline
Raw Input & view raw input (R code)  \tabularnewline
Raw Output & view raw output of R engine  \tabularnewline
Computing time & 0 seconds \tabularnewline
R Server & 'Gwilym Jenkins' @ jenkins.wessa.net \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=266673&T=0

[TABLE]
[ROW][C]Summary of computational transaction[/C][/ROW]
[ROW][C]Raw Input[/C][C]view raw input (R code) [/C][/ROW]
[ROW][C]Raw Output[/C][C]view raw output of R engine [/C][/ROW]
[ROW][C]Computing time[/C][C]0 seconds[/C][/ROW]
[ROW][C]R Server[/C][C]'Gwilym Jenkins' @ jenkins.wessa.net[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=266673&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=266673&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	'Gwilym Jenkins' @ jenkins.wessa.net

Cronbach Alpha and Related Statistics
Items	Cronbach Alpha	Std. Alpha	G6(smc)	Average R
All itmes	0.8007	0.8001	0.7695	0.5002
AMS4 excluded	0.8222	0.8228	0.7613	0.6074
AMS11 excluded	0.7448	0.7439	0.6791	0.492
AMS18 excluded	0.7064	0.7059	0.6295	0.4444
AMS25 excluded	0.7174	0.7163	0.6601	0.457

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.8007 & 0.8001 & 0.7695 & 0.5002 \tabularnewline
AMS4 excluded & 0.8222 & 0.8228 & 0.7613 & 0.6074 \tabularnewline
AMS11 excluded & 0.7448 & 0.7439 & 0.6791 & 0.492 \tabularnewline
AMS18 excluded & 0.7064 & 0.7059 & 0.6295 & 0.4444 \tabularnewline
AMS25 excluded & 0.7174 & 0.7163 & 0.6601 & 0.457 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=266673&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]0.8007[/C][C]0.8001[/C][C]0.7695[/C][C]0.5002[/C][/ROW]
[ROW][C]AMS4 excluded[/C][C]0.8222[/C][C]0.8228[/C][C]0.7613[/C][C]0.6074[/C][/ROW]
[ROW][C]AMS11 excluded[/C][C]0.7448[/C][C]0.7439[/C][C]0.6791[/C][C]0.492[/C][/ROW]
[ROW][C]AMS18 excluded[/C][C]0.7064[/C][C]0.7059[/C][C]0.6295[/C][C]0.4444[/C][/ROW]
[ROW][C]AMS25 excluded[/C][C]0.7174[/C][C]0.7163[/C][C]0.6601[/C][C]0.457[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=266673&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=266673&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	0.8007	0.8001	0.7695	0.5002
AMS4 excluded	0.8222	0.8228	0.7613	0.6074
AMS11 excluded	0.7448	0.7439	0.6791	0.492
AMS18 excluded	0.7064	0.7059	0.6295	0.4444
AMS25 excluded	0.7174	0.7163	0.6601	0.457

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