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Author's title

Author

*The author of this computation has been verified*

R Software Module

rwasp_cronbach.wasp

Title produced by software

Cronbach Alpha

Date of computation

Tue, 20 Dec 2011 16:33:46 -0500

Cite this page as follows

Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?v=date/2011/Dec/20/t13244169107s45gu8n0kt5q2a.htm/, Retrieved Sun, 19 May 2024 05:43:25 +0000

Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=158285, Retrieved Sun, 19 May 2024 05:43:25 +0000

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Original text written by user:

IsPrivate?

No (this computation is public)

User-defined keywords

Estimated Impact

104

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]
- R PD  [Survey Scores] [Extrinsic motivat...] [2011-10-14 11:43:08] [a9a952c1cbc7081c25fad93a34aab827]
- RMPD      [Cronbach Alpha] [PAPER: werklooshe...] [2011-12-20 21:33:46] [6baf48ba14bcb50d9e72b77bece8a45b] [Current]

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Dataseries X:

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Histogram

Boxplots

0.072	0.0213
0.073	0.0218
0.073	0.0290
0.073	0.0263
0.074	0.0267
0.073	0.0181
0.074	0.0133
0.074	0.0088
0.076	0.0128
0.076	0.0126
0.077	0.0126
0.077	0.0129
0.078	0.0110
0.078	0.0137
0.080	0.0121
0.081	0.0174
0.081	0.0176
0.082	0.0148
0.081	0.0104
0.081	0.0162
0.081	0.0149
0.080	0.0179
0.082	0.0180
0.084	0.0158
0.084	0.0186
0.085	0.0174
0.086	0.0159
0.085	0.0126
0.083	0.0113
0.078	0.0192
0.078	0.0261
0.080	0.0226
0.086	0.0241
0.089	0.0226
0.089	0.0203
0.086	0.0286
0.083	0.0255
0.083	0.0227
0.083	0.0226
0.084	0.0257
0.085	0.0307
0.084	0.0276
0.086	0.0251
0.085	0.0287
0.085	0.0314
0.085	0.0311
0.085	0.0316
0.085	0.0247
0.085	0.0257
0.085	0.0289
0.085	0.0263
0.086	0.0238
0.086	0.0169
0.086	0.0196
0.086	0.0219
0.084	0.0187
0.080	0.0160
0.079	0.0163
0.080	0.0122
0.080	0.0121
0.080	0.0149
0.080	0.0164
0.079	0.0166
0.079	0.0177
0.079	0.0182
0.080	0.0178
0.079	0.0128
0.075	0.0129
0.072	0.0137
0.070	0.0112
0.069	0.0151
0.071	0.0224
0.071	0.0294
0.072	0.0309
0.071	0.0346
0.069	0.0364
0.068	0.0439
0.067	0.0415
0.067	0.0521
0.069	0.0580
0.073	0.0591
0.074	0.0539
0.073	0.0546
0.071	0.0472
0.070	0.0314
0.071	0.0263
0.075	0.0232
0.077	0.0193
0.078	0.0062
0.077	0.0060
0.077	-0.0037
0.078	-0.0110
0.080	-0.0168
0.081	-0.0078
0.081	-0.0119
0.080	-0.0097
0.081	-0.0012
0.082	0.0026
0.083	0.0062
0.084	0.0070
0.085	0.0166
0.085	0.0180
0.085	0.0227
0.085	0.0246
0.085	0.0257
0.083	0.0232
0.082	0.0291
0.081	0.0301
0.079	0.0286
0.076	0.0310
0.073	0.0322
0.071	0.0339
0.070	0.0352
0.070	0.0341
0.070	0.0335
0.070	0.0367
0.069	0.0375
0.068	0.0360
0.067	0.0355
0.066	0.0357

Summary of computational transaction
Raw Input	view raw input (R code)
Raw Output	view raw output of R engine
Computing time	0 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 & 0 seconds \tabularnewline
R Server & 'Gertrude Mary Cox' @ cox.wessa.net \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=158285&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]'Gertrude Mary Cox' @ cox.wessa.net[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=158285&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=158285&T=0

As an alternative you can also use a 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 Output	view raw output of R engine
Computing time	0 seconds
R Server	'Gertrude Mary Cox' @ cox.wessa.net

Cronbach Alpha and Related Statistics
Items	Cronbach Alpha	Std. Alpha	G6(smc)	Average R
All itmes	-0.7877	-1.2303	-0.3809	-0.3809
Werkloosheidsgraad excluded	-0.3809	-0.3809	0.1451	-0.3809
Inlfatie excluded	-0.3809	-0.3809	0.1451	-0.3809

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & -0.7877 & -1.2303 & -0.3809 & -0.3809 \tabularnewline
Werkloosheidsgraad excluded & -0.3809 & -0.3809 & 0.1451 & -0.3809 \tabularnewline
Inlfatie excluded & -0.3809 & -0.3809 & 0.1451 & -0.3809 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=158285&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]-0.7877[/C][C]-1.2303[/C][C]-0.3809[/C][C]-0.3809[/C][/ROW]
[ROW][C]Werkloosheidsgraad excluded[/C][C]-0.3809[/C][C]-0.3809[/C][C]0.1451[/C][C]-0.3809[/C][/ROW]
[ROW][C]Inlfatie excluded[/C][C]-0.3809[/C][C]-0.3809[/C][C]0.1451[/C][C]-0.3809[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=158285&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=158285&T=1

As an alternative you can also use a QR Code:

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

Cronbach Alpha and Related Statistics
Items	Cronbach Alpha	Std. Alpha	G6(smc)	Average R
All itmes	-0.7877	-1.2303	-0.3809	-0.3809
Werkloosheidsgraad excluded	-0.3809	-0.3809	0.1451	-0.3809
Inlfatie excluded	-0.3809	-0.3809	0.1451	-0.3809

Parameters (Session):

par1 = 50 ; par2 = 50 ; par3 = 0 ; par4 = 0 ; par5 = 0 ; par6 = Y ; par7 = Y ; par8 = terrain.colors ;

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')

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Tree of Dependent Computations

Dataset

Tables (Output of Computation)

Figures (Output of Computation)

Input Parameters & R Code