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Author's title

Author

*Unverified author*

R Software Module

rwasp_cronbach.wasp

Title produced by software

Cronbach Alpha

Date of computation

Thu, 11 Jul 2019 13:22:19 +0200

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/2019/Jul/11/t1562844247czvy1f7mksnpwlv.htm/, Retrieved Tue, 23 Apr 2024 07:40:54 +0000

Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=318842, Retrieved Tue, 23 Apr 2024 07:40:54 +0000

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Original text written by user:

IsPrivate?

No (this computation is public)

User-defined keywords

Estimated Impact

148

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

-       [Cronbach Alpha] [] [2019-07-11 11:22:19] [d41d8cd98f00b204e9800998ecf8427e] [Current]

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Dataseries X:

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Histogram

Boxplots

5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5
4	5	4	5	5	5	4	5	5	5	5	5	5	1	5	5	5	5	5	5	5	5	4	4	4	5	5	4	5	5	3	2	5
5	5	5	5	5	3	5	5	5	5	5	5	5	4	5	5	5	5	5	5	5	5	5	5	5	4	5	2 5	2	5	5	5
5	5	4	5	5	5	5	2	5	5	5	5	5	3	5	5	5	5	5	5	5	5	5	5	5	5	5	2	5	5	5	5	5
5	5	5	5	5	5	5	3	3	2	5	5	5	2	5	5	5	5	5	5	5	5	5	5	5	3	4	5	5	3	5	5	4
4	5	4	5	5	5	5	5	5	5	4	5	5	5	5	5	4	5	5	1	5	2	5	3	3	5	3	5	4	5	3	4	2
4	5	4	5	5	5	5	5	5	5	5	4	5	5	5	5	5	5	5	5	2	5	5	5	4	2	5	3	3	3	3	3	3
4	5	5	5	5	5	5	5	5	5	5	5	5	4	5	5	5	5	5	5	3	5	5	5	5	2	4	2	5	5	5	5	5
5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	3	5 2	5	5	5	5	5	5	5	3	5	5	2	1	5	5	5
5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	3	2	4	5	5	5	5	5

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	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 time0 seconds \tabularnewline
R ServerBig Analytics Cloud Computing Center \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=318842&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]

0 seconds[/C][/ROW] [ROW]

R Server[/C]

Big Analytics Cloud Computing Center[/C][/ROW] [/TABLE] Source: https://freestatistics.org/blog/index.php?pk=318842&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=318842&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	Big Analytics Cloud Computing Center

Cronbach Alpha and Related Statistics
Items	Cronbach Alpha	Std. Alpha	G6(smc)	Average R
All itmes	0.8311	0.8778	1	0.2101
Q1 excluded	0.8201	0.8654	1	0.1983
Q2 excluded	0.8219	0.8673	1	0.2009
Q3 excluded	0.8287	0.8785	1	0.2175
Q4 excluded	0.8309	0.8783	1	0.2172
Q5 excluded	0.827	0.8765	1	0.2144
Q6 excluded	0.827	0.8768	1	0.2149
Q7 excluded	0.8276	0.8768	1	0.2149
Q8 excluded	0.8233	0.8662	1	0.1994
Q9 excluded	0.8301	0.8788	1	0.2181
Q10 excluded	0.8407	0.8827	1	0.2244
Q11 excluded	0.8304	0.8792	1	0.2187
Q12 excluded	0.8233	0.8662	1	0.1994
Q13 excluded	0.8327	0.8792	1	0.2187
Q14 excluded	0.8065	0.8662	1	0.1994
Q15 excluded	0.8375	0.881	1	0.2216
Q16 excluded	0.8102	0.8662	1	0.1994
Q17 excluded	0.8309	0.8783	1	0.2172
Q18 excluded	0.8136	0.8632	1	0.1953
Q19 excluded	0.8099	0.86	1	0.1912
Q20 excluded	0.8365	0.8792	1	0.2187
Q21 excluded	0.8306	0.8796	1	0.2194
Q22 excluded	0.8378	0.8808	1	0.2213
Q23 excluded	0.8381	0.8824	1	0.2239
Q24 excluded	0.8301	0.8746	1	0.2116
Q25 excluded	0.8082	0.8621	1	0.1938
Q26 excluded	0.8199	0.8686	1	0.2027
Q27 excluded	0.8111	0.867	1	0.2004
Q28 excluded	NA	NA	NA	NA
Q29 excluded	NA	NA	NA	NA
Q30 excluded	NA	NA	NA	NA
Q31 excluded	NA	NA	NA	NA
Q32 excluded	NA	NA	NA	NA
Q33 excluded	NA	NA	NA	NA

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.8311 & 0.8778 & 1 & 0.2101 \tabularnewline
Q1 excluded & 0.8201 & 0.8654 & 1 & 0.1983 \tabularnewline
Q2 excluded & 0.8219 & 0.8673 & 1 & 0.2009 \tabularnewline
Q3 excluded & 0.8287 & 0.8785 & 1 & 0.2175 \tabularnewline
Q4 excluded & 0.8309 & 0.8783 & 1 & 0.2172 \tabularnewline
Q5 excluded & 0.827 & 0.8765 & 1 & 0.2144 \tabularnewline
Q6 excluded & 0.827 & 0.8768 & 1 & 0.2149 \tabularnewline
Q7 excluded & 0.8276 & 0.8768 & 1 & 0.2149 \tabularnewline
Q8 excluded & 0.8233 & 0.8662 & 1 & 0.1994 \tabularnewline
Q9 excluded & 0.8301 & 0.8788 & 1 & 0.2181 \tabularnewline
Q10 excluded & 0.8407 & 0.8827 & 1 & 0.2244 \tabularnewline
Q11 excluded & 0.8304 & 0.8792 & 1 & 0.2187 \tabularnewline
Q12 excluded & 0.8233 & 0.8662 & 1 & 0.1994 \tabularnewline
Q13 excluded & 0.8327 & 0.8792 & 1 & 0.2187 \tabularnewline
Q14 excluded & 0.8065 & 0.8662 & 1 & 0.1994 \tabularnewline
Q15 excluded & 0.8375 & 0.881 & 1 & 0.2216 \tabularnewline
Q16 excluded & 0.8102 & 0.8662 & 1 & 0.1994 \tabularnewline
Q17 excluded & 0.8309 & 0.8783 & 1 & 0.2172 \tabularnewline
Q18 excluded & 0.8136 & 0.8632 & 1 & 0.1953 \tabularnewline
Q19 excluded & 0.8099 & 0.86 & 1 & 0.1912 \tabularnewline
Q20 excluded & 0.8365 & 0.8792 & 1 & 0.2187 \tabularnewline
Q21 excluded & 0.8306 & 0.8796 & 1 & 0.2194 \tabularnewline
Q22 excluded & 0.8378 & 0.8808 & 1 & 0.2213 \tabularnewline
Q23 excluded & 0.8381 & 0.8824 & 1 & 0.2239 \tabularnewline
Q24 excluded & 0.8301 & 0.8746 & 1 & 0.2116 \tabularnewline
Q25 excluded & 0.8082 & 0.8621 & 1 & 0.1938 \tabularnewline
Q26 excluded & 0.8199 & 0.8686 & 1 & 0.2027 \tabularnewline
Q27 excluded & 0.8111 & 0.867 & 1 & 0.2004 \tabularnewline
Q28 excluded & NA & NA & NA & NA \tabularnewline
Q29 excluded & NA & NA & NA & NA \tabularnewline
Q30 excluded & NA & NA & NA & NA \tabularnewline
Q31 excluded & NA & NA & NA & NA \tabularnewline
Q32 excluded & NA & NA & NA & NA \tabularnewline
Q33 excluded & NA & NA & NA & NA \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=318842&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]0.8311[/C][C]0.8778[/C][C]1[/C][C]0.2101[/C][/ROW]
[ROW][C]Q1 excluded[/C][C]0.8201[/C][C]0.8654[/C][C]1[/C][C]0.1983[/C][/ROW]
[ROW][C]Q2 excluded[/C][C]0.8219[/C][C]0.8673[/C][C]1[/C][C]0.2009[/C][/ROW]
[ROW][C]Q3 excluded[/C][C]0.8287[/C][C]0.8785[/C][C]1[/C][C]0.2175[/C][/ROW]
[ROW][C]Q4 excluded[/C][C]0.8309[/C][C]0.8783[/C][C]1[/C][C]0.2172[/C][/ROW]
[ROW][C]Q5 excluded[/C][C]0.827[/C][C]0.8765[/C][C]1[/C][C]0.2144[/C][/ROW]
[ROW][C]Q6 excluded[/C][C]0.827[/C][C]0.8768[/C][C]1[/C][C]0.2149[/C][/ROW]
[ROW][C]Q7 excluded[/C][C]0.8276[/C][C]0.8768[/C][C]1[/C][C]0.2149[/C][/ROW]
[ROW][C]Q8 excluded[/C][C]0.8233[/C][C]0.8662[/C][C]1[/C][C]0.1994[/C][/ROW]
[ROW][C]Q9 excluded[/C][C]0.8301[/C][C]0.8788[/C][C]1[/C][C]0.2181[/C][/ROW]
[ROW][C]Q10 excluded[/C][C]0.8407[/C][C]0.8827[/C][C]1[/C][C]0.2244[/C][/ROW]
[ROW][C]Q11 excluded[/C][C]0.8304[/C][C]0.8792[/C][C]1[/C][C]0.2187[/C][/ROW]
[ROW][C]Q12 excluded[/C][C]0.8233[/C][C]0.8662[/C][C]1[/C][C]0.1994[/C][/ROW]
[ROW][C]Q13 excluded[/C][C]0.8327[/C][C]0.8792[/C][C]1[/C][C]0.2187[/C][/ROW]
[ROW][C]Q14 excluded[/C][C]0.8065[/C][C]0.8662[/C][C]1[/C][C]0.1994[/C][/ROW]
[ROW][C]Q15 excluded[/C][C]0.8375[/C][C]0.881[/C][C]1[/C][C]0.2216[/C][/ROW]
[ROW][C]Q16 excluded[/C][C]0.8102[/C][C]0.8662[/C][C]1[/C][C]0.1994[/C][/ROW]
[ROW][C]Q17 excluded[/C][C]0.8309[/C][C]0.8783[/C][C]1[/C][C]0.2172[/C][/ROW]
[ROW][C]Q18 excluded[/C][C]0.8136[/C][C]0.8632[/C][C]1[/C][C]0.1953[/C][/ROW]
[ROW][C]Q19 excluded[/C][C]0.8099[/C][C]0.86[/C][C]1[/C][C]0.1912[/C][/ROW]
[ROW][C]Q20 excluded[/C][C]0.8365[/C][C]0.8792[/C][C]1[/C][C]0.2187[/C][/ROW]
[ROW][C]Q21 excluded[/C][C]0.8306[/C][C]0.8796[/C][C]1[/C][C]0.2194[/C][/ROW]
[ROW][C]Q22 excluded[/C][C]0.8378[/C][C]0.8808[/C][C]1[/C][C]0.2213[/C][/ROW]
[ROW][C]Q23 excluded[/C][C]0.8381[/C][C]0.8824[/C][C]1[/C][C]0.2239[/C][/ROW]
[ROW][C]Q24 excluded[/C][C]0.8301[/C][C]0.8746[/C][C]1[/C][C]0.2116[/C][/ROW]
[ROW][C]Q25 excluded[/C][C]0.8082[/C][C]0.8621[/C][C]1[/C][C]0.1938[/C][/ROW]
[ROW][C]Q26 excluded[/C][C]0.8199[/C][C]0.8686[/C][C]1[/C][C]0.2027[/C][/ROW]
[ROW][C]Q27 excluded[/C][C]0.8111[/C][C]0.867[/C][C]1[/C][C]0.2004[/C][/ROW]
[ROW][C]Q28 excluded[/C][C]NA[/C][C]NA[/C][C]NA[/C][C]NA[/C][/ROW]
[ROW][C]Q29 excluded[/C][C]NA[/C][C]NA[/C][C]NA[/C][C]NA[/C][/ROW]
[ROW][C]Q30 excluded[/C][C]NA[/C][C]NA[/C][C]NA[/C][C]NA[/C][/ROW]
[ROW][C]Q31 excluded[/C][C]NA[/C][C]NA[/C][C]NA[/C][C]NA[/C][/ROW]
[ROW][C]Q32 excluded[/C][C]NA[/C][C]NA[/C][C]NA[/C][C]NA[/C][/ROW]
[ROW][C]Q33 excluded[/C][C]NA[/C][C]NA[/C][C]NA[/C][C]NA[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=318842&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=318842&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	0.8311	0.8778	1	0.2101
Q1 excluded	0.8201	0.8654	1	0.1983
Q2 excluded	0.8219	0.8673	1	0.2009
Q3 excluded	0.8287	0.8785	1	0.2175
Q4 excluded	0.8309	0.8783	1	0.2172
Q5 excluded	0.827	0.8765	1	0.2144
Q6 excluded	0.827	0.8768	1	0.2149
Q7 excluded	0.8276	0.8768	1	0.2149
Q8 excluded	0.8233	0.8662	1	0.1994
Q9 excluded	0.8301	0.8788	1	0.2181
Q10 excluded	0.8407	0.8827	1	0.2244
Q11 excluded	0.8304	0.8792	1	0.2187
Q12 excluded	0.8233	0.8662	1	0.1994
Q13 excluded	0.8327	0.8792	1	0.2187
Q14 excluded	0.8065	0.8662	1	0.1994
Q15 excluded	0.8375	0.881	1	0.2216
Q16 excluded	0.8102	0.8662	1	0.1994
Q17 excluded	0.8309	0.8783	1	0.2172
Q18 excluded	0.8136	0.8632	1	0.1953
Q19 excluded	0.8099	0.86	1	0.1912
Q20 excluded	0.8365	0.8792	1	0.2187
Q21 excluded	0.8306	0.8796	1	0.2194
Q22 excluded	0.8378	0.8808	1	0.2213
Q23 excluded	0.8381	0.8824	1	0.2239
Q24 excluded	0.8301	0.8746	1	0.2116
Q25 excluded	0.8082	0.8621	1	0.1938
Q26 excluded	0.8199	0.8686	1	0.2027
Q27 excluded	0.8111	0.867	1	0.2004
Q28 excluded	NA	NA	NA	NA
Q29 excluded	NA	NA	NA	NA
Q30 excluded	NA	NA	NA	NA
Q31 excluded	NA	NA	NA	NA
Q32 excluded	NA	NA	NA	NA
Q33 excluded	NA	NA	NA	NA

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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Tree of Dependent Computations

Dataset

Tables (Output of Computation)

Figures (Output of Computation)

Input Parameters & R Code