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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

Sun, 17 Dec 2017 20:25:30 +0100

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/2017/Dec/17/t1513538751efxeosvp4e2pmxr.htm/, Retrieved Wed, 15 May 2024 14:22:44 +0000

Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=310049, Retrieved Wed, 15 May 2024 14:22:44 +0000

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Original text written by user:

IsPrivate?

No (this computation is public)

User-defined keywords

Estimated Impact

Family? (F = Feedback message, R = changed R code, M = changed R Module, P = changed Parameters, D = changed Data)

-       [Cronbach Alpha] [] [2017-12-17 19:25:30] [788a842113f37cddfb79e55621ea2338] [Current]

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Dataseries X:

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Histogram

Boxplots

95.1	86.7	79.3	98.8
72.9	62.7	50.1	65.7
64.5	71.5	65.4	73.3
141.6	94.8	89.5	92.6
103.7	78.7	77.7	92.6
82.8	66.6	66.6	66.1
105.3	76.8	82.9	76.5
204	128.7	110.6	97.3
133.2	88.8	86.4	76.5
93.2	78.2	66.8	65.2
123.8	96.1	89.8	93.5
119.3	89.3	76.8	68.6
113.1	106	91.1	76.3
93.2	85.7	86.2	86.4
86.8	71.7	72.9	79.9
81	75	69.5	66.3
96.2	82.6	80.4	80.8
94.4	98	88.3	86.1
121.7	85.7	77.8	83.2
89.6	75.9	68.4	71.6
129.2	106.7	89.1	77.9
128.4	99.5	93.6	93.6
109.5	92	77.3	78.7
68.8	76.5	66.7	69.4
101.2	80.8	78.5	71.8
109.1	76.2	69.5	78.5
101.5	74.1	77.3	76.4

Summary of computational transaction
Raw Input	view raw input (R code)
Raw Output	view raw output of R engine
Computing time	1 seconds
R Server	Big 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=310049&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=310049&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=310049&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	1 seconds
R Server	Big Analytics Cloud Computing Center

Cronbach Alpha and Related Statistics
Items	Cronbach Alpha	Std. Alpha	G6(smc)	Average R
All itmes	0.8558	0.9198	0.9202	0.7415
APTC1 excluded	0.8888	0.894	0.8932	0.7376
APTC2 excluded	0.7595	0.8771	0.8575	0.704
APTC3 excluded	0.777	0.8579	0.8295	0.668
APTC4 excluded	0.8645	0.9471	0.9268	0.8565

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.8558 & 0.9198 & 0.9202 & 0.7415 \tabularnewline
APTC1 excluded & 0.8888 & 0.894 & 0.8932 & 0.7376 \tabularnewline
APTC2 excluded & 0.7595 & 0.8771 & 0.8575 & 0.704 \tabularnewline
APTC3 excluded & 0.777 & 0.8579 & 0.8295 & 0.668 \tabularnewline
APTC4 excluded & 0.8645 & 0.9471 & 0.9268 & 0.8565 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=310049&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]0.8558[/C][C]0.9198[/C][C]0.9202[/C][C]0.7415[/C][/ROW]
[ROW][C]APTC1 excluded[/C][C]0.8888[/C][C]0.894[/C][C]0.8932[/C][C]0.7376[/C][/ROW]
[ROW][C]APTC2 excluded[/C][C]0.7595[/C][C]0.8771[/C][C]0.8575[/C][C]0.704[/C][/ROW]
[ROW][C]APTC3 excluded[/C][C]0.777[/C][C]0.8579[/C][C]0.8295[/C][C]0.668[/C][/ROW]
[ROW][C]APTC4 excluded[/C][C]0.8645[/C][C]0.9471[/C][C]0.9268[/C][C]0.8565[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=310049&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=310049&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	0.8558	0.9198	0.9202	0.7415
APTC1 excluded	0.8888	0.894	0.8932	0.7376
APTC2 excluded	0.7595	0.8771	0.8575	0.704
APTC3 excluded	0.777	0.8579	0.8295	0.668
APTC4 excluded	0.8645	0.9471	0.9268	0.8565

Parameters (Session):

par1 = TRUE ;

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')

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Description of Statistical Computation

Tree of Dependent Computations

Dataset

Tables (Output of Computation)

Figures (Output of Computation)

Input Parameters & R Code