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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 computationSun, 28 Nov 2010 17:32:23 +0000
Cite this page as followsStatistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?v=date/2010/Nov/28/t1290965550sh9zk30ghdxagq0.htm/, Retrieved Thu, 02 May 2024 17:19:12 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=102685, Retrieved Thu, 02 May 2024 17:19:12 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact142

Tree of Dependent Computations

Family? (F = Feedback message, R = changed R code, M = changed R Module, P = changed Parameters, D = changed Data)
-     [Cronbach Alpha] [Intrinsic Motivat...] [2010-10-12 11:40:37] [b98453cac15ba1066b407e146608df68]
-    D    [Cronbach Alpha] [Cronbach alpha: P...] [2010-11-28 17:32:23] [bff44ea937c3f909b1dc9a8bfab919e2] [Current]
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Dataset

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

Tables (Output of Computation)





Summary of computational transaction
Raw Inputview raw input (R code)
Raw Outputview raw output of R engine
Computing time1 seconds
R Server'Sir Ronald Aylmer Fisher' @ 193.190.124.24

\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 & 'Sir Ronald Aylmer Fisher' @ 193.190.124.24 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=102685&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]'Sir Ronald Aylmer Fisher' @ 193.190.124.24[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=102685&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=102685&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 Inputview raw input (R code)
Raw Outputview raw output of R engine
Computing time1 seconds
R Server'Sir Ronald Aylmer Fisher' @ 193.190.124.24






Cronbach Alpha and Related Statistics
ItemsCronbach AlphaStd. AlphaG6(smc)Average R
All itmes0.19420.10620.62340.0289
Q1_1 excluded-0.217-0.38620.402-0.1024
Q1_2 excluded-1.062-1.2701-0.0316-0.2292
Q1_11 excluded-0.8918-0.98070.1681-0.1977
Q1_16 excluded0.84450.84480.80990.6447

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.1942 & 0.1062 & 0.6234 & 0.0289 \tabularnewline
Q1_1 excluded & -0.217 & -0.3862 & 0.402 & -0.1024 \tabularnewline
Q1_2 excluded & -1.062 & -1.2701 & -0.0316 & -0.2292 \tabularnewline
Q1_11 excluded & -0.8918 & -0.9807 & 0.1681 & -0.1977 \tabularnewline
Q1_16 excluded & 0.8445 & 0.8448 & 0.8099 & 0.6447 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=102685&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]0.1942[/C][C]0.1062[/C][C]0.6234[/C][C]0.0289[/C][/ROW]
[ROW][C]Q1_1 excluded[/C][C]-0.217[/C][C]-0.3862[/C][C]0.402[/C][C]-0.1024[/C][/ROW]
[ROW][C]Q1_2 excluded[/C][C]-1.062[/C][C]-1.2701[/C][C]-0.0316[/C][C]-0.2292[/C][/ROW]
[ROW][C]Q1_11 excluded[/C][C]-0.8918[/C][C]-0.9807[/C][C]0.1681[/C][C]-0.1977[/C][/ROW]
[ROW][C]Q1_16 excluded[/C][C]0.8445[/C][C]0.8448[/C][C]0.8099[/C][C]0.6447[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=102685&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=102685&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 itmes0.19420.10620.62340.0289
Q1_1 excluded-0.217-0.38620.402-0.1024
Q1_2 excluded-1.062-1.2701-0.0316-0.2292
Q1_11 excluded-0.8918-0.98070.1681-0.1977
Q1_16 excluded0.84450.84480.80990.6447


Figures (Output of Computation)

Input Parameters & R Code

Parameters (Session):
Parameters (R input):
R code (references can be found in the software module):
library(psych)
z <- t(y)
(r <- alpha(z))
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')