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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

Wed, 10 Dec 2014 14:45:37 +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/10/t14182229079cj1kv25ov2qi90.htm/, Retrieved Sun, 19 May 2024 13:06:58 +0000

Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=265300, Retrieved Sun, 19 May 2024 13:06:58 +0000

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Original text written by user:

IsPrivate?

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)

-     [Survey Scores] [Kendall Tau NUMGRAF] [2014-12-10 13:15:38] [bcf5edf18529a33bd1494456d2c6cb9a]
-    D  [Survey Scores] [Kendall Tau NUMGRAF] [2014-12-10 13:21:05] [bcf5edf18529a33bd1494456d2c6cb9a]
- RM D    [Cronbach Alpha] [Cronbach Alpha GRAF] [2014-12-10 14:24:03] [bcf5edf18529a33bd1494456d2c6cb9a]
-    D        [Cronbach Alpha] [Cronbach Alpha PROB] [2014-12-10 14:45:37] [ddb851b9ced255c1d64c58a7ca49fb28] [Current]
- RM            [Cronbach Alpha] [Cronbach Alpha PROB] [2014-12-10 14:53:03] [bcf5edf18529a33bd1494456d2c6cb9a] 
-    D          [Cronbach Alpha] [Cronbach Alpha EST] [2014-12-10 15:03:39] [bcf5edf18529a33bd1494456d2c6cb9a] 
-    D          [Cronbach Alpha] [Cronbach Alpha A] [2014-12-10 15:17:00] [bcf5edf18529a33bd1494456d2c6cb9a] 
-    D          [Cronbach Alpha] [Cronbach Alpha E3] [2014-12-10 15:28:54] [bcf5edf18529a33bd1494456d2c6cb9a] 
-    D          [Cronbach Alpha] [Cronbach Alpha E2] [2014-12-10 15:37:30] [bcf5edf18529a33bd1494456d2c6cb9a] 
-    D          [Cronbach Alpha] [Cronbach Alpha E1] [2014-12-10 15:43:48] [bcf5edf18529a33bd1494456d2c6cb9a] 
- RM              [Cronbach Alpha] [Cronbach Alpha E1] [2014-12-10 15:46:31] [bcf5edf18529a33bd1494456d2c6cb9a] 

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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	1 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 & 1 seconds \tabularnewline
R Server & 'Gwilym Jenkins' @ jenkins.wessa.net \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=265300&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]1 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=265300&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=265300&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	'Gwilym Jenkins' @ jenkins.wessa.net

Cronbach Alpha and Related Statistics
Items	Cronbach Alpha	Std. Alpha	G6(smc)	Average R
All itmes	0.3526	0.3531	0.2144	0.2144
NUMERACYQ15 excluded	0.2144	0.2144	0.046	0.2144
NUMERACYQ5 excluded	0.2144	0.2144	0.046	0.2144

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.3526 & 0.3531 & 0.2144 & 0.2144 \tabularnewline
NUMERACYQ15 excluded & 0.2144 & 0.2144 & 0.046 & 0.2144 \tabularnewline
NUMERACYQ5 excluded & 0.2144 & 0.2144 & 0.046 & 0.2144 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=265300&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]0.3526[/C][C]0.3531[/C][C]0.2144[/C][C]0.2144[/C][/ROW]
[ROW][C]NUMERACYQ15 excluded[/C][C]0.2144[/C][C]0.2144[/C][C]0.046[/C][C]0.2144[/C][/ROW]
[ROW][C]NUMERACYQ5 excluded[/C][C]0.2144[/C][C]0.2144[/C][C]0.046[/C][C]0.2144[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=265300&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=265300&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	0.3526	0.3531	0.2144	0.2144
NUMERACYQ15 excluded	0.2144	0.2144	0.046	0.2144
NUMERACYQ5 excluded	0.2144	0.2144	0.046	0.2144

Parameters (Session):

par1 = 0 1 ;

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