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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, 06 Dec 2014 16:59:54 +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/06/t1417885201vnjj76uo5xqgguh.htm/, Retrieved Thu, 16 May 2024 23:07:11 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=263661, Retrieved Thu, 16 May 2024 23:07:11 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact86

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]
- R  D  [Cronbach Alpha] [] [2011-10-18 12:27:58] [b98453cac15ba1066b407e146608df68]
- RM      [Cronbach Alpha] [] [2014-10-16 13:44:05] [4c4ebb0b36a379d1d949ba77427e658a]
-  M D        [Cronbach Alpha] [] [2014-12-06 16:59:54] [d9810f96fa2f1581f787e7f797109997] [Current]
-    D          [Cronbach Alpha] [] [2014-12-06 17:01:21] [4c4ebb0b36a379d1d949ba77427e658a]
-    D            [Cronbach Alpha] [] [2014-12-06 17:03:17] [4c4ebb0b36a379d1d949ba77427e658a]
-    D              [Cronbach Alpha] [] [2014-12-06 17:05:58] [4c4ebb0b36a379d1d949ba77427e658a]
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Dataset

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

Tables (Output of Computation)





Summary of computational transaction
Raw Inputview raw input (R code)
Raw Outputview raw output of R engine
Computing time0 seconds
R Server'Sir Maurice George Kendall' @ kendall.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 & 'Sir Maurice George Kendall' @ kendall.wessa.net \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=263661&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]'Sir Maurice George Kendall' @ kendall.wessa.net[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=263661&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=263661&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 time0 seconds
R Server'Sir Maurice George Kendall' @ kendall.wessa.net






Cronbach Alpha and Related Statistics
ItemsCronbach AlphaStd. AlphaG6(smc)Average R
All itmes0.82230.81930.84760.335
PERFECTIONISM4 excluded0.81170.80690.83370.3431
PERFECTIONISM6 excluded0.80040.79630.82980.3282
PERFECTIONISM12 excluded0.80840.80290.82220.3375
PERFECTIONISM16 excluded0.83650.84020.85340.3966
PERFECTIONISM18 excluded0.79190.78890.80420.3184
PERFECTIONISM19 excluded0.79050.78620.8150.3149
PERFECTIONISM23 excluded0.80280.80050.82190.3341
PERFECTIONISM24 excluded0.80410.79930.83280.3323
PERFECTIONISM30 excluded0.78670.78240.80650.3101

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.8223 & 0.8193 & 0.8476 & 0.335 \tabularnewline
PERFECTIONISM4 excluded & 0.8117 & 0.8069 & 0.8337 & 0.3431 \tabularnewline
PERFECTIONISM6 excluded & 0.8004 & 0.7963 & 0.8298 & 0.3282 \tabularnewline
PERFECTIONISM12 excluded & 0.8084 & 0.8029 & 0.8222 & 0.3375 \tabularnewline
PERFECTIONISM16 excluded & 0.8365 & 0.8402 & 0.8534 & 0.3966 \tabularnewline
PERFECTIONISM18 excluded & 0.7919 & 0.7889 & 0.8042 & 0.3184 \tabularnewline
PERFECTIONISM19 excluded & 0.7905 & 0.7862 & 0.815 & 0.3149 \tabularnewline
PERFECTIONISM23 excluded & 0.8028 & 0.8005 & 0.8219 & 0.3341 \tabularnewline
PERFECTIONISM24 excluded & 0.8041 & 0.7993 & 0.8328 & 0.3323 \tabularnewline
PERFECTIONISM30 excluded & 0.7867 & 0.7824 & 0.8065 & 0.3101 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=263661&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]0.8223[/C][C]0.8193[/C][C]0.8476[/C][C]0.335[/C][/ROW]
[ROW][C]PERFECTIONISM4 excluded[/C][C]0.8117[/C][C]0.8069[/C][C]0.8337[/C][C]0.3431[/C][/ROW]
[ROW][C]PERFECTIONISM6 excluded[/C][C]0.8004[/C][C]0.7963[/C][C]0.8298[/C][C]0.3282[/C][/ROW]
[ROW][C]PERFECTIONISM12 excluded[/C][C]0.8084[/C][C]0.8029[/C][C]0.8222[/C][C]0.3375[/C][/ROW]
[ROW][C]PERFECTIONISM16 excluded[/C][C]0.8365[/C][C]0.8402[/C][C]0.8534[/C][C]0.3966[/C][/ROW]
[ROW][C]PERFECTIONISM18 excluded[/C][C]0.7919[/C][C]0.7889[/C][C]0.8042[/C][C]0.3184[/C][/ROW]
[ROW][C]PERFECTIONISM19 excluded[/C][C]0.7905[/C][C]0.7862[/C][C]0.815[/C][C]0.3149[/C][/ROW]
[ROW][C]PERFECTIONISM23 excluded[/C][C]0.8028[/C][C]0.8005[/C][C]0.8219[/C][C]0.3341[/C][/ROW]
[ROW][C]PERFECTIONISM24 excluded[/C][C]0.8041[/C][C]0.7993[/C][C]0.8328[/C][C]0.3323[/C][/ROW]
[ROW][C]PERFECTIONISM30 excluded[/C][C]0.7867[/C][C]0.7824[/C][C]0.8065[/C][C]0.3101[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=263661&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=263661&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 itmes0.82230.81930.84760.335
PERFECTIONISM4 excluded0.81170.80690.83370.3431
PERFECTIONISM6 excluded0.80040.79630.82980.3282
PERFECTIONISM12 excluded0.80840.80290.82220.3375
PERFECTIONISM16 excluded0.83650.84020.85340.3966
PERFECTIONISM18 excluded0.79190.78890.80420.3184
PERFECTIONISM19 excluded0.79050.78620.8150.3149
PERFECTIONISM23 excluded0.80280.80050.82190.3341
PERFECTIONISM24 excluded0.80410.79930.83280.3323
PERFECTIONISM30 excluded0.78670.78240.80650.3101


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)
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')