Repository of Reproducible Computations

Free Statistics

of Irreproducible Research!

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

Sat, 13 Dec 2014 22:06:20 +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/13/t1418508397069r68s75ienj52.htm/, Retrieved Thu, 16 May 2024 06:39:11 +0000

Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=267302, Retrieved Thu, 16 May 2024 06:39:11 +0000

QR Codes:

Paste this QR Code to cite your computation.

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] [Paper EM1 2012] [2014-12-13 15:16:56] [81f624c2f0b20a2549c93e7c3dccf981]
- RMPD    [Cronbach Alpha] [CA AM 2011] [2014-12-13 22:06:20] [64070895b9a6ba473199a431c837c7d3] [Current]

Feedback Forum

Post a new message

Dataseries X:

Download CSV

Histogram

Boxplots

-3	-3	-3	-3
-3	-3	-3	-3
-3	-2	-3	-3
-3	-3	-3	-3
-3	-3	-3	-3
-2	-2	-2	-1
-2	-2	-2	-2
-1	1	-2	-3
-3	-3	-3	-3
-3	-3	-3	-3
-3	-2	-3	-2
-3	-3	-3	-3
-2	-2	-2	-2
-3	-3	-3	-3
-3	-3	-3	-3
-1	-2	-1	-1
-3	-3	-3	-3
-3	-3	-3	-3
-2	-2	-3	-3
-3	-3	-1	-3
-3	-3	-3	-3
-2	-1	-2	-3
-3	-2	-3	-3
-3	-3	-3	-3
-1	0	-3	-3
-3	-3	-3	-3
-2	-1	-3	-3
-1	-1	-2	-2
-3	-3	-3	-3
-3	-3	-3	-3
-3	0	-3	-3
-2	2	-2	-2
-3	0	-3	-3
-2	-3	-3	-3
-2	-2	-2	-2
-3	-2	-3	-3
-3	-3	-3	-3
-1	-2	-2	-2
-1	-2	-3	-3
-3	-3	-3	-3
-3	-3	-3	-3
-3	-3	-3	-3
-3	-3	-3	-3
-3	-3	-3	-3
-2	-1	-3	-3
-3	-3	-3	-3
-3	0	-3	-3
-3	-3	-3	-3
-3	-3	-3	-3
-3	-3	-3	-3
-3	-3	-3	-3
-2	-2	-2	-2
-3	-3	-3	-3
-3	-3	-3	-3
-3	-3	-3	-3
-3	-3	-3	-3
-3	-2	-2	-2
-1	-1	-3	1
-3	-3	-3	-3
-3	-3	-3	-3
-3	-3	-3	-3
-3	-2	-3	-3
-2	2	-2	1
-3	-2	-3	-3
-2	1	-2	-3
-2	-2	-1	-2
-3	1	-3	-3
-3	-3	-3	-3
-3	-2	-3	-3
-3	-3	-3	-3
-2	-1	-2	-2
-3	-3	-3	-3
-3	0	-3	0
-3	-3	-3	-3
-3	-3	-3	-3
-3	-1	-3	-3
-3	0	-3	-3
-2	-3	-3	-3
-3	-3	-3	-3
-3	-3	-3	-3
-3	-3	-3	-3
-3	-3	-3	-3
-3	-3	-3	-3
-3	-3	-3	-3
-2	-2	-3	-3
-1	-2	-1	-2
-2	-2	-2	-3
-3	-3	-3	-3
-3	-3	-3	-3
-2	-2	-2	-3
-3	-3	-3	-3
-2	-2	-2	-2
-1	0	-2	-2
-1	-3	-3	-3
1	-1	-1	-1
-3	-3	-2	-3
-3	-3	-3	-3
-2	-1	-2	-3
-2	-2	-1	-2
-3	-3	-3	-3
-3	-3	-3	-3
-3	-2	-3	-3
-3	-3	-3	-3
-2	-3	-3	-3
-3	-3	-3	-3
-3	-3	-3	-3
-2	-2	-2	-3
-1	1	-3	-3
-3	-3	-3	-3
-3	-3	-2	-3
-3	-3	-3	-3
-3	-3	-3	-3
-3	-3	-3	-3

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	'Gertrude Mary Cox' @ cox.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 & 'Gertrude Mary Cox' @ cox.wessa.net \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=267302&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]'Gertrude Mary Cox' @ cox.wessa.net[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=267302&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=267302&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	'Gertrude Mary Cox' @ cox.wessa.net

Cronbach Alpha and Related Statistics
Items	Cronbach Alpha	Std. Alpha	G6(smc)	Average R
All itmes	0.7279	0.7738	0.7344	0.4609
AMS5 excluded	0.6058	0.6705	0.5832	0.4042
AMS12 excluded	0.7494	0.7592	0.6839	0.5124
AMS19 excluded	0.6831	0.7204	0.6333	0.4621
AMS26 excluded	0.6522	0.7229	0.6608	0.4651

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.7279 & 0.7738 & 0.7344 & 0.4609 \tabularnewline
AMS5 excluded & 0.6058 & 0.6705 & 0.5832 & 0.4042 \tabularnewline
AMS12 excluded & 0.7494 & 0.7592 & 0.6839 & 0.5124 \tabularnewline
AMS19 excluded & 0.6831 & 0.7204 & 0.6333 & 0.4621 \tabularnewline
AMS26 excluded & 0.6522 & 0.7229 & 0.6608 & 0.4651 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=267302&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]0.7279[/C][C]0.7738[/C][C]0.7344[/C][C]0.4609[/C][/ROW]
[ROW][C]AMS5 excluded[/C][C]0.6058[/C][C]0.6705[/C][C]0.5832[/C][C]0.4042[/C][/ROW]
[ROW][C]AMS12 excluded[/C][C]0.7494[/C][C]0.7592[/C][C]0.6839[/C][C]0.5124[/C][/ROW]
[ROW][C]AMS19 excluded[/C][C]0.6831[/C][C]0.7204[/C][C]0.6333[/C][C]0.4621[/C][/ROW]
[ROW][C]AMS26 excluded[/C][C]0.6522[/C][C]0.7229[/C][C]0.6608[/C][C]0.4651[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=267302&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=267302&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	0.7279	0.7738	0.7344	0.4609
AMS5 excluded	0.6058	0.6705	0.5832	0.4042
AMS12 excluded	0.7494	0.7592	0.6839	0.5124
AMS19 excluded	0.6831	0.7204	0.6333	0.4621
AMS26 excluded	0.6522	0.7229	0.6608	0.4651

Parameters (Session):

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')

Free Statistics

Description of Statistical Computation

Tree of Dependent Computations

Dataset

Tables (Output of Computation)

Figures (Output of Computation)

Input Parameters & R Code