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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, 07 Dec 2014 11:20:23 +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/2014/Dec/07/t1417951230krzxawb0a0dpzjv.htm/, Retrieved Thu, 16 May 2024 23:24:15 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=263721, Retrieved Thu, 16 May 2024 23:24:15 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact118

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]
- RMPD  [Cronbach Alpha] [] [2014-12-07 11:10:36] [3d5212c89039da1a3a24d8e18d23c716]
-    D    [Cronbach Alpha] [] [2014-12-07 11:14:12] [3d5212c89039da1a3a24d8e18d23c716]
-    D      [Cronbach Alpha] [] [2014-12-07 11:15:57] [3d5212c89039da1a3a24d8e18d23c716]
-    D        [Cronbach Alpha] [] [2014-12-07 11:17:52] [3d5212c89039da1a3a24d8e18d23c716]
-    D            [Cronbach Alpha] [] [2014-12-07 11:20:23] [6c0da333d5967ad7c023c95d07a1face] [Current]
-    D              [Cronbach Alpha] [] [2014-12-07 11:22:50] [3d5212c89039da1a3a24d8e18d23c716]
-    D                [Cronbach Alpha] [] [2014-12-07 11:25:37] [3d5212c89039da1a3a24d8e18d23c716]
-    D                  [Cronbach Alpha] [] [2014-12-07 11:28:04] [3d5212c89039da1a3a24d8e18d23c716]
-  M                      [Cronbach Alpha] [] [2014-12-07 11:28:32] [3d5212c89039da1a3a24d8e18d23c716]
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Dataset

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

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=263721&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=263721&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=263721&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 itmes0.75950.76590.74310.4499
AMS7 excluded0.730.73480.6630.4802
AMS14 excluded0.78660.78960.72530.5557
AMS21 excluded0.64830.66350.62450.3966
AMS28 excluded0.63350.6350.57020.3671

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.7595 & 0.7659 & 0.7431 & 0.4499 \tabularnewline
AMS7 excluded & 0.73 & 0.7348 & 0.663 & 0.4802 \tabularnewline
AMS14 excluded & 0.7866 & 0.7896 & 0.7253 & 0.5557 \tabularnewline
AMS21 excluded & 0.6483 & 0.6635 & 0.6245 & 0.3966 \tabularnewline
AMS28 excluded & 0.6335 & 0.635 & 0.5702 & 0.3671 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=263721&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]0.7595[/C][C]0.7659[/C][C]0.7431[/C][C]0.4499[/C][/ROW]
[ROW][C]AMS7 excluded[/C][C]0.73[/C][C]0.7348[/C][C]0.663[/C][C]0.4802[/C][/ROW]
[ROW][C]AMS14 excluded[/C][C]0.7866[/C][C]0.7896[/C][C]0.7253[/C][C]0.5557[/C][/ROW]
[ROW][C]AMS21 excluded[/C][C]0.6483[/C][C]0.6635[/C][C]0.6245[/C][C]0.3966[/C][/ROW]
[ROW][C]AMS28 excluded[/C][C]0.6335[/C][C]0.635[/C][C]0.5702[/C][C]0.3671[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=263721&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=263721&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 itmes0.75950.76590.74310.4499
AMS7 excluded0.730.73480.6630.4802
AMS14 excluded0.78660.78960.72530.5557
AMS21 excluded0.64830.66350.62450.3966
AMS28 excluded0.63350.6350.57020.3671


Figures (Output of Computation)

Input Parameters & R Code

Parameters (Session):
par1 = TRUE ;
Parameters (R input):
par1 = TRUE ;
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')