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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 computationSat, 13 Dec 2014 12:18:09 +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/2014/Dec/13/t1418473150w2iqo5771i4d5g8.htm/, Retrieved Thu, 20 Feb 2025 19:32:05 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=267018, Retrieved Thu, 20 Feb 2025 19:32:05 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact123

Tree of Dependent Computations

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]
-    D    [Survey Scores] [P IM kwal-kwan] [2014-12-10 19:22:20] [46c7ebd23dbdec306a09830d8b7528e7]
-    D      [Survey Scores] [P IM2 kwal-kwan] [2014-12-12 18:04:48] [46c7ebd23dbdec306a09830d8b7528e7]
-    D        [Survey Scores] [p IM2 kwal-kwan] [2014-12-13 09:43:47] [46c7ebd23dbdec306a09830d8b7528e7]
-    D          [Survey Scores] [P EM1 kwan kwal] [2014-12-13 09:59:49] [46c7ebd23dbdec306a09830d8b7528e7]
-    D            [Survey Scores] [P EM2 kwan kwal] [2014-12-13 10:15:42] [46c7ebd23dbdec306a09830d8b7528e7]
-    D              [Survey Scores] [P EM3 kwan kwal] [2014-12-13 10:39:45] [46c7ebd23dbdec306a09830d8b7528e7]
- RMPD                  [Cronbach Alpha] [P IM3 cronbach] [2014-12-13 12:18:09] [9772ee27deeac3d50cc1fb84835cd7d6] [Current]
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Dataset

Dataseries X:
Download CSV
Histogram
Boxplots 
2 2 1 2
4 5 5 4
5 5 5 5
1 2 3 3
5 4 5 5
3 3 3 3
4 4 4 4
5 4 5 3
3 2 2 2
7 7 7 7
6 6 6 2
5 3 5 3
4 6 6 6
3 5 4 5
3 3 3 3
2 5 5 6
5 5 5 5
3 3 3 3
4 4 4 4
3 4 4 5
7 4 4 6
6 3 3 3
5 4 4 4
4 5 4 4
4 3 4 6
5 4 4 5
4 4 3 4
6 6 3 5
5 3 2 3
6 5 5 5
4 2 4 2
1 3 1 1
4 4 2 3
3 1 1 1
5 5 4 5
4 1 1 6
4 4 3 3
2 3 5 3
2 4 3 3
4 4 4 5
4 5 5 5
2 3 2 3
2 3 2 3
2 3 3 3
2 3 3 3
2 4 2 2
2 2 1 2
4 6 6 6
4 2 2 4
5 4 5 4
4 5 5 6
2 2 3 2
3 4 4 5
3 4 4 3
4 2 2 3
5 5 5 5
3 4 4 6
2 4 4 4
2 2 2 2
4 4 4 4
3 3 2 3
3 2 3 2
2 4 3 6
2 5 3 5
5 2 2 1
4 2 2 2
4 4 5 5
3 3 2 2
6 5 5 6
5 2 5 4
2 2 1 5
4 1 1 1
5 4 3 4
3 4 4 5
4 4 3 5
5 6 5 6
4 3 2 4
2 1 1 1
5 5 5 3
2 3 2 3
2 1 2 3
3 4 4 5
2 2 2 2
6 3 3 4
4 3 3 4
4 3 4 4
1 3 3 2
5 5 6 5
2 1 2 2
4 4 4 5
3 5 5 5
4 4 3 5
3 4 4 5
4 3 3 4
5 3 3 4
2 2 2 2
3 6 6 7
2 1 1 1
7 2 2 2
6 5 5 6
4 5 5 4
3 4 3 5
2 3 3 3
4 5 4 6
5 4 5 5
5 5 5 6
1 1 1 1
3 5 5 4
2 2 2 4
4 2 3 4
4 7 2 2
6 2 1 2
6 6 4 4
3 4 4 2
5 4 4 5
5 5 6 4
4 3 4 4
1 1 1 1
3 2 2 2
4 4 4 6
3 4 2 3
6 2 3 6
4 3 3 2
6 4 3 3
4 5 4 4
4 3 3 4
4 3 3 3
5 5 5 5
4 4 4 4
5 3 3 4
2 3 2 3
4 4 4 4
5 5 6 5
3 4 4 4
6 2 4 4
5 4 5 5
2 4 1 2
5 4 5 5
2 2 1 2
7 5 5 6
3 3 4 4
4 2 2 2
4 4 4 4
4 2 2 4
3 2 2 3
3 2 1 1
4 6 5 5
3 2 2 2
3 5 2 4
5 2 2 3
4 2 2 2
3 5 4 7
4 4 4 4
1 2 3 5
5 3 2 5
3 4 4 3
3 3 3 2
2 5 3 4
4 4 3 4
1 2 2 2
5 6 5 6
5 6 4 4
7 4 4 7
2 5 2 2
4 5 5 5
2 2 2 3
2 3 3 3
5 5 3 4
3 2 2 5
5 4 4 4
3 2 2 3
6 5 3 3
4 2 3 4
4 2 2 3
4 6 6 3
3 6 6 6
7 6 5 6
4 3 3 3
4 4 4 4
3 3 3 4
3 4 4 4
5 3 3 4
2 3 2 4
1 2 1 3
3 4 3 3
5 3 2 3
3 3 2 4
2 3 2 1
1 2 2 2
4 4 4 5
4 1 2 2
5 4 4 5
5 4 4 4
5 4 4 4
5 4 4 5
3 4 3 2
3 4 4 3
3 6 6 7
3 6 5 5
6 4 6 5
3 3 2 2
4 4 4 4
5 2 2 2
4 4 3 4
2 3 3 4
5 5 5 6
6 7 6 3
5 5 5 5
5 4 3 3
3 2 2 2
5 4 3 3
5 3 4 2
3 2 2 4
1 2 2 4
6 4 3 5
4 3 2 3
4 2 1 4
3 4 3 4
3 3 1 3
5 5 4 4
4 2 1 4
2 3 4 5
2 4 4 6
2 3 2 4
4 2 1 1
2 5 4 5
2 4 3 4
3 3 3 3
4 4 5 4
5 6 6 6
4 2 3 5
3 2 2 3
4 4 4 4
3 2 2 4
4 4 4 4
5 5 4 5
4 4 4 5
3 3 3 3
5 3 3 6
4 4 2 1
4 5 5 5
4 3 2 3
2 2 2 2
5 4 3 5
5 4 2 2
6 4 2 5
4 1 1 1
6 6 5 6
6 4 4 4
4 3 2 4
5 3 4 5
3 3 3 4
3 3 2 5
2 2 3 1
4 4 3 5
5 3 3 3
3 2 6 2
5 5 5 4
3 4 3 5
5 3 3 4
1 2 2 3
5 3 2 4
3 1 2 1
2 2 4 3
5 3 4 5
4 5 4 6
6 4 3 4
3 2 2 5
3 3 3 3
4 5 4 5
4 4 4 4
6 3 3 3
5 5 5 5
5 4 3 4
3 4 3 2
4 3 1 2
7 7 7 7
4 4 5 6
5 4 4 5
4 5 5 5
2 1 1 4
3 4 5 5
5 4 3 4
5 4 4 5
3 4 2 3
4 4 4 5
2 5 4 2

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'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 & 1 seconds \tabularnewline
R Server & 'Gertrude Mary Cox' @ cox.wessa.net \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=267018&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]'Gertrude Mary Cox' @ cox.wessa.net[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=267018&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=267018&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'Gertrude Mary Cox' @ cox.wessa.net






Cronbach Alpha and Related Statistics
ItemsCronbach AlphaStd. AlphaG6(smc)Average R
All itmes0.81450.81550.78950.525
AMS4 excluded0.84410.84560.79530.646
AMS11 excluded0.73020.73020.66250.4743
AMS18 excluded0.71340.71420.63840.4544
AMS25 excluded0.76720.76850.72860.5252

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.8145 & 0.8155 & 0.7895 & 0.525 \tabularnewline
AMS4 excluded & 0.8441 & 0.8456 & 0.7953 & 0.646 \tabularnewline
AMS11 excluded & 0.7302 & 0.7302 & 0.6625 & 0.4743 \tabularnewline
AMS18 excluded & 0.7134 & 0.7142 & 0.6384 & 0.4544 \tabularnewline
AMS25 excluded & 0.7672 & 0.7685 & 0.7286 & 0.5252 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=267018&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]0.8145[/C][C]0.8155[/C][C]0.7895[/C][C]0.525[/C][/ROW]
[ROW][C]AMS4 excluded[/C][C]0.8441[/C][C]0.8456[/C][C]0.7953[/C][C]0.646[/C][/ROW]
[ROW][C]AMS11 excluded[/C][C]0.7302[/C][C]0.7302[/C][C]0.6625[/C][C]0.4743[/C][/ROW]
[ROW][C]AMS18 excluded[/C][C]0.7134[/C][C]0.7142[/C][C]0.6384[/C][C]0.4544[/C][/ROW]
[ROW][C]AMS25 excluded[/C][C]0.7672[/C][C]0.7685[/C][C]0.7286[/C][C]0.5252[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=267018&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=267018&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 itmes0.81450.81550.78950.525
AMS4 excluded0.84410.84560.79530.646
AMS11 excluded0.73020.73020.66250.4743
AMS18 excluded0.71340.71420.63840.4544
AMS25 excluded0.76720.76850.72860.5252


Figures (Output of Computation)

Input Parameters & R Code

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')