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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

Fri, 22 Oct 2021 18:12:25 +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/2021/Oct/22/t16349204088x80kodhmxp48px.htm/, Retrieved Fri, 19 Apr 2024 12:57:13 +0000

Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=319543, Retrieved Fri, 19 Apr 2024 12:57:13 +0000

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Original text written by user:

Medición de fiabilidad Cronbachs Alpha

IsPrivate?

No (this computation is public)

User-defined keywords

Motivación Laboral

Estimated Impact

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

-       [Cronbach Alpha] [Encuesta motivaci...] [2021-10-22 16:12:25] [d41d8cd98f00b204e9800998ecf8427e] [Current]

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Dataseries X:

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Histogram

Boxplots

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

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=319543&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=319543&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=319543&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	0.7187	0.7281	1	0.1181
Q1 excluded	0.6843	0.6944	1	0.1068
Q2 excluded	0.7164	0.7249	1	0.1218
Q3 excluded	0.6931	0.7039	1	0.1112
Q4 excluded	0.7094	0.7196	1	0.119
Q5 excluded	0.7256	0.7341	1	0.1269
Q6 excluded	0.6956	0.7072	1	0.1128
Q7 excluded	0.6826	0.6967	1	0.1079
Q8 excluded	0.7156	0.7248	1	0.1217
Q9 excluded	0.7111	0.7209	1	0.1197
Q10 excluded	0.7188	0.7273	1	0.1231
Q11 excluded	0.7212	0.7338	1	0.1267
Q12 excluded	0.7393	0.7418	1	0.1314
Q13 excluded	0.7087	0.7188	1	0.1186
Q14 excluded	0.7087	0.7152	1	0.1168
Q15 excluded	0.7297	0.7376	1	0.1289
Q16 excluded	0.6971	0.7061	1	0.1123
Q17 excluded	0.6856	0.6964	1	0.1077
Q18 excluded	0.6953	0.7071	1	0.1127
Q19 excluded	0.6884	0.7011	1	0.1099
Q20 excluded	0.7231	0.7316	1	0.1254

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.7187 & 0.7281 & 1 & 0.1181 \tabularnewline
Q1 excluded & 0.6843 & 0.6944 & 1 & 0.1068 \tabularnewline
Q2 excluded & 0.7164 & 0.7249 & 1 & 0.1218 \tabularnewline
Q3 excluded & 0.6931 & 0.7039 & 1 & 0.1112 \tabularnewline
Q4 excluded & 0.7094 & 0.7196 & 1 & 0.119 \tabularnewline
Q5 excluded & 0.7256 & 0.7341 & 1 & 0.1269 \tabularnewline
Q6 excluded & 0.6956 & 0.7072 & 1 & 0.1128 \tabularnewline
Q7 excluded & 0.6826 & 0.6967 & 1 & 0.1079 \tabularnewline
Q8 excluded & 0.7156 & 0.7248 & 1 & 0.1217 \tabularnewline
Q9 excluded & 0.7111 & 0.7209 & 1 & 0.1197 \tabularnewline
Q10 excluded & 0.7188 & 0.7273 & 1 & 0.1231 \tabularnewline
Q11 excluded & 0.7212 & 0.7338 & 1 & 0.1267 \tabularnewline
Q12 excluded & 0.7393 & 0.7418 & 1 & 0.1314 \tabularnewline
Q13 excluded & 0.7087 & 0.7188 & 1 & 0.1186 \tabularnewline
Q14 excluded & 0.7087 & 0.7152 & 1 & 0.1168 \tabularnewline
Q15 excluded & 0.7297 & 0.7376 & 1 & 0.1289 \tabularnewline
Q16 excluded & 0.6971 & 0.7061 & 1 & 0.1123 \tabularnewline
Q17 excluded & 0.6856 & 0.6964 & 1 & 0.1077 \tabularnewline
Q18 excluded & 0.6953 & 0.7071 & 1 & 0.1127 \tabularnewline
Q19 excluded & 0.6884 & 0.7011 & 1 & 0.1099 \tabularnewline
Q20 excluded & 0.7231 & 0.7316 & 1 & 0.1254 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=319543&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]0.7187[/C][C]0.7281[/C][C]1[/C][C]0.1181[/C][/ROW]
[ROW][C]Q1 excluded[/C][C]0.6843[/C][C]0.6944[/C][C]1[/C][C]0.1068[/C][/ROW]
[ROW][C]Q2 excluded[/C][C]0.7164[/C][C]0.7249[/C][C]1[/C][C]0.1218[/C][/ROW]
[ROW][C]Q3 excluded[/C][C]0.6931[/C][C]0.7039[/C][C]1[/C][C]0.1112[/C][/ROW]
[ROW][C]Q4 excluded[/C][C]0.7094[/C][C]0.7196[/C][C]1[/C][C]0.119[/C][/ROW]
[ROW][C]Q5 excluded[/C][C]0.7256[/C][C]0.7341[/C][C]1[/C][C]0.1269[/C][/ROW]
[ROW][C]Q6 excluded[/C][C]0.6956[/C][C]0.7072[/C][C]1[/C][C]0.1128[/C][/ROW]
[ROW][C]Q7 excluded[/C][C]0.6826[/C][C]0.6967[/C][C]1[/C][C]0.1079[/C][/ROW]
[ROW][C]Q8 excluded[/C][C]0.7156[/C][C]0.7248[/C][C]1[/C][C]0.1217[/C][/ROW]
[ROW][C]Q9 excluded[/C][C]0.7111[/C][C]0.7209[/C][C]1[/C][C]0.1197[/C][/ROW]
[ROW][C]Q10 excluded[/C][C]0.7188[/C][C]0.7273[/C][C]1[/C][C]0.1231[/C][/ROW]
[ROW][C]Q11 excluded[/C][C]0.7212[/C][C]0.7338[/C][C]1[/C][C]0.1267[/C][/ROW]
[ROW][C]Q12 excluded[/C][C]0.7393[/C][C]0.7418[/C][C]1[/C][C]0.1314[/C][/ROW]
[ROW][C]Q13 excluded[/C][C]0.7087[/C][C]0.7188[/C][C]1[/C][C]0.1186[/C][/ROW]
[ROW][C]Q14 excluded[/C][C]0.7087[/C][C]0.7152[/C][C]1[/C][C]0.1168[/C][/ROW]
[ROW][C]Q15 excluded[/C][C]0.7297[/C][C]0.7376[/C][C]1[/C][C]0.1289[/C][/ROW]
[ROW][C]Q16 excluded[/C][C]0.6971[/C][C]0.7061[/C][C]1[/C][C]0.1123[/C][/ROW]
[ROW][C]Q17 excluded[/C][C]0.6856[/C][C]0.6964[/C][C]1[/C][C]0.1077[/C][/ROW]
[ROW][C]Q18 excluded[/C][C]0.6953[/C][C]0.7071[/C][C]1[/C][C]0.1127[/C][/ROW]
[ROW][C]Q19 excluded[/C][C]0.6884[/C][C]0.7011[/C][C]1[/C][C]0.1099[/C][/ROW]
[ROW][C]Q20 excluded[/C][C]0.7231[/C][C]0.7316[/C][C]1[/C][C]0.1254[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=319543&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=319543&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	0.7187	0.7281	1	0.1181
Q1 excluded	0.6843	0.6944	1	0.1068
Q2 excluded	0.7164	0.7249	1	0.1218
Q3 excluded	0.6931	0.7039	1	0.1112
Q4 excluded	0.7094	0.7196	1	0.119
Q5 excluded	0.7256	0.7341	1	0.1269
Q6 excluded	0.6956	0.7072	1	0.1128
Q7 excluded	0.6826	0.6967	1	0.1079
Q8 excluded	0.7156	0.7248	1	0.1217
Q9 excluded	0.7111	0.7209	1	0.1197
Q10 excluded	0.7188	0.7273	1	0.1231
Q11 excluded	0.7212	0.7338	1	0.1267
Q12 excluded	0.7393	0.7418	1	0.1314
Q13 excluded	0.7087	0.7188	1	0.1186
Q14 excluded	0.7087	0.7152	1	0.1168
Q15 excluded	0.7297	0.7376	1	0.1289
Q16 excluded	0.6971	0.7061	1	0.1123
Q17 excluded	0.6856	0.6964	1	0.1077
Q18 excluded	0.6953	0.7071	1	0.1127
Q19 excluded	0.6884	0.7011	1	0.1099
Q20 excluded	0.7231	0.7316	1	0.1254

Parameters (Session):

par1 = TRUE ;

Parameters (R input):

par1 = TRUE ;

R code (references can be found in the software module):

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