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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 computationTue, 28 Nov 2017 16:42:47 +0100
Cite this page as followsStatistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?v=date/2017/Nov/28/t15118838113o52gs93mjztc5z.htm/, Retrieved Sat, 18 May 2024 15:16:52 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=308257, Retrieved Sat, 18 May 2024 15:16:52 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact143

Tree of Dependent Computations

Family? (F = Feedback message, R = changed R code, M = changed R Module, P = changed Parameters, D = changed Data)
-       [Cronbach Alpha] [Cronbach Alpha] [2017-11-28 15:42:47] [ca8d18f187365d46258cefbf7e3ea6e7] [Current]
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Dataset

Dataseries X:
Download CSV
Histogram
Boxplots 
21 10
22 15
17 14
21 14
19 8
23 19
21 17
22 18
11 10
20 15
18 16
16 12
18 13
13 10
17 14
20 15
20 20
15 9
18 12
15 13
19 16
19 12
19 14
20 15
20 19
16 16
18 16
17 14
18 14
13 14
20 13
21 18
17 15
19 15
20 15
15 13
15 14
19 15
18 14
22 19
20 16
18 16
14 12
15 10
17 11
16 13
17 14
15 11
17 11
18 16
16 9
18 16
22 19
16 13
16 15
20 14
18 15
16 11
16 14
20 15
21 17
18 16
15 13
18 15
18 14
20 15
18 14
16 12
19 12
20 15
22 17
18 13
8 5
13 7
13 10
18 15
12 9
16 9
21 15
20 14
18 11
22 18
23 20
23 20
21 16
16 15
14 14
18 13
22 18
20 14
18 12
12 9
17 19
15 13
18 12
18 14
15 6
16 14
15 11
16 11
19 14
19 12
23 19
20 13
18 14
21 17
19 12
18 16
19 15
17 15
21 15
19 16
24 15
12 12
15 13
18 14
19 17
22 14
19 14
16 14
19 15
18 11
18 11
19 16
21 12
19 12
22 19
23 18
17 16
18 16
19 13
15 11
14 10
18 14
17 14
19 14
16 16
14 10
20 16
16 7
18 16
16 15
21 17
16 11
14 11
16 10
19 13
19 14
19 13
18 13
16 12
14 10
19 15
11 6
18 15
18 15
16 11
20 14
18 14
20 16
16 12
18 15
19 20
19 12
15 9
17 13
21 15
24 19
16 11
13 11
21 17
16 15
17 14
17 15
18 11
18 12
23 15
20 16
20 16

Tables (Output of Computation)





Summary of computational transaction
Raw Input view raw input (R code)
Raw Outputview raw output of R engine
Computing time1 seconds
R ServerBig Analytics Cloud Computing Center

\begin{tabular}{lllllllll}
\hline
Summary of computational transaction \tabularnewline
Raw Input view raw input (R code)  \tabularnewline
Raw Outputview raw output of R engine  \tabularnewline
Computing time1 seconds \tabularnewline
R ServerBig Analytics Cloud Computing Center \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=308257&T=0

[TABLE]
[ROW]
Summary of computational transaction[/C][/ROW] [ROW]Raw Input[/C] view raw input (R code) [/C][/ROW] [ROW]Raw Output[/C]view raw output of R engine [/C][/ROW] [ROW]Computing time[/C]1 seconds[/C][/ROW] [ROW]R Server[/C]Big Analytics Cloud Computing Center[/C][/ROW] [/TABLE] Source: https://freestatistics.org/blog/index.php?pk=308257&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=308257&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 Input view raw input (R code)
Raw Outputview raw output of R engine
Computing time1 seconds
R ServerBig Analytics Cloud Computing Center






Cronbach Alpha and Related Statistics
ItemsCronbach AlphaStd. AlphaG6(smc)Average R
All itmes0.82450.82490.7020.702
Information_Quality excluded0.7020.7020.49280.702
Perceived_Ease_of_Use excluded0.49280.702NANA

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.8245 & 0.8249 & 0.702 & 0.702 \tabularnewline
Information_Quality excluded & 0.702 & 0.702 & 0.4928 & 0.702 \tabularnewline
Perceived_Ease_of_Use excluded & 0.4928 & 0.702 & NA & NA \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=308257&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]0.8245[/C][C]0.8249[/C][C]0.702[/C][C]0.702[/C][/ROW]
[ROW][C]Information_Quality excluded[/C][C]0.702[/C][C]0.702[/C][C]0.4928[/C][C]0.702[/C][/ROW]
[ROW][C]Perceived_Ease_of_Use excluded[/C][C]0.4928[/C][C]0.702[/C][C]NA[/C][C]NA[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=308257&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=308257&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 itmes0.82450.82490.7020.702
Information_Quality excluded0.7020.7020.49280.702
Perceived_Ease_of_Use excluded0.49280.702NANA


Figures (Output of Computation)

Input Parameters & R Code

Parameters (Session):
par1 = grey ; par2 = no ;
Parameters (R input):
par1 = TRUE ;
R code (references can be found in the software module):
par1 <- 'TRUE'
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')