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Description of Statistical Computation

Author's title

Author*The author of this computation has been verified*
R Software Modulerwasp_cronbach.wasp
Title produced by softwareCronbach Alpha
Date of computationFri, 16 Dec 2016 19:46:56 +0100
Cite this page as followsStatistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?v=date/2016/Dec/16/t1481914060eiyofeec8v7i76j.htm/, Retrieved Thu, 02 May 2024 16:56:20 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=300483, Retrieved Thu, 02 May 2024 16:56:20 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact66

Tree of Dependent Computations

Family? (F = Feedback message, R = changed R code, M = changed R Module, P = changed Parameters, D = changed Data)
-       [Cronbach Alpha] [] [2016-12-16 18:46:56] [33afbfb1be031b32823b544e140562b9] [Current]
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Dataset

Dataseries X:
Download CSV
Histogram
Boxplots 
2	3	3	3
1	2	2	4
2	3	3	4
3	2	2	3
3	3	3	3
2	3	3	4
3	3	3	3
3	3	3	3
3	3	3	3
2	3	3	3
2	3	3	4
3	3	3	3
2	4	4	5
2	4	3	4
2	3	3	4
3	3	2	3
2	2	3	5
3	1	3	2
2	2	3	2
2	3	3	3
3	3	3	3
2	4	3	3
3	3	3	3
2	2	3	4
2	2	2	4
2	3	3	4
2	3	3	4
3	5	4	2
2	3	3	4
3	3	3	3
2	2	2	3
2	4	3	4
2	4	3	4
2	3	3	4
3	3	3	3
2	4	3	3
2	2	4	4
3	3	3	3
2	2	2	4
3	3	3	3
2	3	3	3
3	3	3	4
2	4	3	4
3	3	3	3
3	4	3	3
2	3	2	3
3	4	3	3
2	2	3	4
2	3	3	4
1	1	1	2
2	2	3	4
2	1	3	4
3	3	3	3
2	5	3	5
3	4	3	3
4	4	3	2
3	3	3	3
2	5	2	4
3	4	3	3
2	3	3	3
2	2	3	4
2	2	2	3
2	3	3	4
2	4	3	3
2	3	3	5
2	5	3	4
2	2	2	4
2	3	3	4
2	2	2	2
1	2	3	5
2	3	3	4
2	3	3	4
2	2	2	4
2	3	3	4
3	3	3	3
2	2	3	4
2	3	3	4
2	4	3	4
3	3	3	3
2	5	3	4
3	1	3	3
3	3	3	3
2	3	3	3
2	4	3	4
3	2	3	3
4	3	3	3
3	3	3	3
3	3	3	3
3	3	3	3
2	4	3	4
3	3	3	3
2	2	2	3
3	3	3	3
4	3	3	3
2	4	4	4
2	2	3	4
2	2	3	4
2	2	3	4
2	3	3	4
2	3	3	4
2	3	3	4
3	3	3	3
3	3	3	3
3	3	3	3
2	2	3	3
1	3	4	4
2	2	3	3
2	2	2	3
2	4	3	4
2	2	3	3
3	1	3	3
2	5	3	4
2	2	3	3
3	3	3	3
3	3	3	3
2	3	3	3
3	4	3	4
4	3	3	3
2	3	3	4
2	3	3	4
3	3	3	3
2	2	3	3
2	3	3	4
3	3	3	3
2	2	2	4
2	3	3	4
2	4	4	5
2	2	2	4
1	5	2	4
3	3	3	3
2	3	2	3
3	3	3	3
2	3	3	4
2	2	3	4
2	4	3	3
2	3	3	3
2	5	3	3
2	2	2	3
2	3	3	3
2	2	3	4
2	4	3	4
3	2	3	3
2	3	3	2
2	3	2	2
3	3	3	3
3	3	3	3
4	4	3	3
2	4	3	4
2	3	3	2
2	4	3	4
4	3	3	3
3	3	3	3
3	3	3	3
2	2	2	3
2	4	3	3
2	3	3	3
3	2	3	4

Tables (Output of Computation)





Summary of computational transaction
Raw Input view raw input (R code)
Raw Outputview raw output of R engine
Computing time0 seconds
R ServerBig 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 time0 seconds \tabularnewline
R ServerBig Analytics Cloud Computing Center \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=300483&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]0 seconds[/C][/ROW] [ROW]R Server[/C]Big Analytics Cloud Computing Center[/C][/ROW] [/TABLE] Source: https://freestatistics.org/blog/index.php?pk=300483&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=300483&T=0

As an alternative you can also use a QR Code:  
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 Outputview raw output of R engine
Computing time0 seconds
R ServerBig Analytics Cloud Computing Center






Cronbach Alpha and Related Statistics
ItemsCronbach AlphaStd. AlphaG6(smc)Average R
All itmes0.37880.39070.45140.1382
GW1 excluded0.39320.44220.35760.209
GW2 excluded0.40640.34230.41240.1478
GW3 excluded0.3390.38920.38080.1752
GW4 excluded0.0770.05950.12770.0206

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.3788 & 0.3907 & 0.4514 & 0.1382 \tabularnewline
GW1 excluded & 0.3932 & 0.4422 & 0.3576 & 0.209 \tabularnewline
GW2 excluded & 0.4064 & 0.3423 & 0.4124 & 0.1478 \tabularnewline
GW3 excluded & 0.339 & 0.3892 & 0.3808 & 0.1752 \tabularnewline
GW4 excluded & 0.077 & 0.0595 & 0.1277 & 0.0206 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=300483&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]0.3788[/C][C]0.3907[/C][C]0.4514[/C][C]0.1382[/C][/ROW]
[ROW][C]GW1 excluded[/C][C]0.3932[/C][C]0.4422[/C][C]0.3576[/C][C]0.209[/C][/ROW]
[ROW][C]GW2 excluded[/C][C]0.4064[/C][C]0.3423[/C][C]0.4124[/C][C]0.1478[/C][/ROW]
[ROW][C]GW3 excluded[/C][C]0.339[/C][C]0.3892[/C][C]0.3808[/C][C]0.1752[/C][/ROW]
[ROW][C]GW4 excluded[/C][C]0.077[/C][C]0.0595[/C][C]0.1277[/C][C]0.0206[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=300483&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=300483&T=1

As an alternative you can also use a QR Code:  
QR Code


The GUIDs for individual cells are displayed in the table below:

Cronbach Alpha and Related Statistics
ItemsCronbach AlphaStd. AlphaG6(smc)Average R
All itmes0.37880.39070.45140.1382
GW1 excluded0.39320.44220.35760.209
GW2 excluded0.40640.34230.41240.1478
GW3 excluded0.3390.38920.38080.1752
GW4 excluded0.0770.05950.12770.0206


Figures (Output of Computation)

Input Parameters & R Code

Parameters (Session):
par1 = 1 ; par2 = 2 ; par3 = 0.95 ; par4 = two.sided ; par5 = unpaired ; par6 = 0.0 ;
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')