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Author's title

Author*Unverified author*
R Software Modulerwasp_cronbach.wasp
Title produced by softwareCronbach Alpha
Date of computationThu, 03 Jul 2025 14:55:50 +0200
Cite this page as followsStatistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?v=date/2025/Jul/03/t1751547733efhfoojs2w4ac1m.htm/, Retrieved Sat, 18 Apr 2026 18:48:41 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=320244, Retrieved Sat, 18 Apr 2026 18:48:41 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact130
Family? (F = Feedback message, R = changed R code, M = changed R Module, P = changed Parameters, D = changed Data)
-       [Cronbach Alpha] [PRÉ - INTERVENÇ...] [2025-07-03 12:55:50] [d41d8cd98f00b204e9800998ecf8427e] [Current]
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Dataseries X:
1,00	2,00	1,00	1,00	2,00	1,00	1,00	2,00	1,00	2,00	1,00	2,00	1,00	1,00	1,00	1,00	2,00	1,00	1,00	2,00
2,00	1,00	2,00	1,00	2,00	2,00	2,00	1,00	1,00	1,00	1,00	2,00	1,00	2,00	2,00	1,00	1,00	1,00	2,00	2,00
2,00	2,00	2,00	2,00	1,00	1,00	1,00	1,00	2,00	1,00	2,00	2,00	1,00	2,00	2,00	1,00	1,00	1,00	2,00	2,00
1,00	2,00	2,00	2,00	1,00	1,00	2,00	2,00	2,00	2,00	2,00	2,00	1,00	1,00	2,00	1,00	2,00	2,00	1,00	1,00
1,00	1,00	2,00	2,00	2,00	2,00	2,00	1,00	2,00	1,00	1,00	2,00	2,00	2,00	1,00	1,00	2,00	2,00	1,00	2,00
1,00	1,00	1,00	2,00	2,00	2,00	1,00	1,00	2,00	1,00	2,00	2,00	2,00	1,00	2,00	2,00	2,00	3,00	2,00	2,00
2,00	2,00	2,00	2,00	2,00	1,00	1,00	1,00	2,00	2,00	2,00	2,00	1,00	1,00	2,00	2,00	1,00	1,00	1,00	2,00
3,00	1,00	1,00	2,00	2,00	2,00	2,00	1,00	2,00	2,00	2,00	2,00	2,00	1,00	2,00	2,00	2,00	1,00	1,00	2,00
2,00	2,00	2,00	3,00	2,00	1,00	1,00	1,00	3,00	2,00	1,00	1,00	2,00	2,00	2,00	1,00	2,00	2,00	1,00	2,00
2,00	2,00	2,00	2,00	2,00	2,00	2,00	1,00	2,00	2,00	2,00	1,00	1,00	2,00	2,00	2,00	1,00	1,00	1,00	2,00




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=320244&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=320244&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=320244&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 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 items0.68270.708210.1082
Q1 excluded0.67150.692410.1059
Q2 excluded0.64390.675510.0987
Q3 excluded0.70630.731810.1256
Q24 excluded0.66990.70110.1098
Q5 excluded0.6610.684410.1024
Q6 excluded0.63050.662610.0937
Q7 excluded0.69470.721210.1198
Q8 excluded0.61860.638810.0852
Q9 excluded0.66990.70110.1098
Q10 excluded0.67030.697910.1084
Q11 excluded0.70930.73110.1251
Q12 excluded0.67340.70210.1103
Q13 excluded0.63670.672110.0974
Q14 excluded0.66520.691910.1057
Q16 excluded0.67340.704410.1115
Q17 excluded0.67030.696510.1078
Q18 excluded0.70420.724210.1214
Q19 excluded0.69420.713110.1157
Q20 excluded0.6790.705710.1121
Q21 excluded0.65920.674810.0985

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All items & 0.6827 & 0.7082 & 1 & 0.1082 \tabularnewline
Q1 excluded & 0.6715 & 0.6924 & 1 & 0.1059 \tabularnewline
Q2 excluded & 0.6439 & 0.6755 & 1 & 0.0987 \tabularnewline
Q3 excluded & 0.7063 & 0.7318 & 1 & 0.1256 \tabularnewline
Q24 excluded & 0.6699 & 0.701 & 1 & 0.1098 \tabularnewline
Q5 excluded & 0.661 & 0.6844 & 1 & 0.1024 \tabularnewline
Q6 excluded & 0.6305 & 0.6626 & 1 & 0.0937 \tabularnewline
Q7 excluded & 0.6947 & 0.7212 & 1 & 0.1198 \tabularnewline
Q8 excluded & 0.6186 & 0.6388 & 1 & 0.0852 \tabularnewline
Q9 excluded & 0.6699 & 0.701 & 1 & 0.1098 \tabularnewline
Q10 excluded & 0.6703 & 0.6979 & 1 & 0.1084 \tabularnewline
Q11 excluded & 0.7093 & 0.731 & 1 & 0.1251 \tabularnewline
Q12 excluded & 0.6734 & 0.702 & 1 & 0.1103 \tabularnewline
Q13 excluded & 0.6367 & 0.6721 & 1 & 0.0974 \tabularnewline
Q14 excluded & 0.6652 & 0.6919 & 1 & 0.1057 \tabularnewline
Q16 excluded & 0.6734 & 0.7044 & 1 & 0.1115 \tabularnewline
Q17 excluded & 0.6703 & 0.6965 & 1 & 0.1078 \tabularnewline
Q18 excluded & 0.7042 & 0.7242 & 1 & 0.1214 \tabularnewline
Q19 excluded & 0.6942 & 0.7131 & 1 & 0.1157 \tabularnewline
Q20 excluded & 0.679 & 0.7057 & 1 & 0.1121 \tabularnewline
Q21 excluded & 0.6592 & 0.6748 & 1 & 0.0985 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=320244&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 items[/C][C]0.6827[/C][C]0.7082[/C][C]1[/C][C]0.1082[/C][/ROW]
[ROW][C]Q1 excluded[/C][C]0.6715[/C][C]0.6924[/C][C]1[/C][C]0.1059[/C][/ROW]
[ROW][C]Q2 excluded[/C][C]0.6439[/C][C]0.6755[/C][C]1[/C][C]0.0987[/C][/ROW]
[ROW][C]Q3 excluded[/C][C]0.7063[/C][C]0.7318[/C][C]1[/C][C]0.1256[/C][/ROW]
[ROW][C]Q24 excluded[/C][C]0.6699[/C][C]0.701[/C][C]1[/C][C]0.1098[/C][/ROW]
[ROW][C]Q5 excluded[/C][C]0.661[/C][C]0.6844[/C][C]1[/C][C]0.1024[/C][/ROW]
[ROW][C]Q6 excluded[/C][C]0.6305[/C][C]0.6626[/C][C]1[/C][C]0.0937[/C][/ROW]
[ROW][C]Q7 excluded[/C][C]0.6947[/C][C]0.7212[/C][C]1[/C][C]0.1198[/C][/ROW]
[ROW][C]Q8 excluded[/C][C]0.6186[/C][C]0.6388[/C][C]1[/C][C]0.0852[/C][/ROW]
[ROW][C]Q9 excluded[/C][C]0.6699[/C][C]0.701[/C][C]1[/C][C]0.1098[/C][/ROW]
[ROW][C]Q10 excluded[/C][C]0.6703[/C][C]0.6979[/C][C]1[/C][C]0.1084[/C][/ROW]
[ROW][C]Q11 excluded[/C][C]0.7093[/C][C]0.731[/C][C]1[/C][C]0.1251[/C][/ROW]
[ROW][C]Q12 excluded[/C][C]0.6734[/C][C]0.702[/C][C]1[/C][C]0.1103[/C][/ROW]
[ROW][C]Q13 excluded[/C][C]0.6367[/C][C]0.6721[/C][C]1[/C][C]0.0974[/C][/ROW]
[ROW][C]Q14 excluded[/C][C]0.6652[/C][C]0.6919[/C][C]1[/C][C]0.1057[/C][/ROW]
[ROW][C]Q16 excluded[/C][C]0.6734[/C][C]0.7044[/C][C]1[/C][C]0.1115[/C][/ROW]
[ROW][C]Q17 excluded[/C][C]0.6703[/C][C]0.6965[/C][C]1[/C][C]0.1078[/C][/ROW]
[ROW][C]Q18 excluded[/C][C]0.7042[/C][C]0.7242[/C][C]1[/C][C]0.1214[/C][/ROW]
[ROW][C]Q19 excluded[/C][C]0.6942[/C][C]0.7131[/C][C]1[/C][C]0.1157[/C][/ROW]
[ROW][C]Q20 excluded[/C][C]0.679[/C][C]0.7057[/C][C]1[/C][C]0.1121[/C][/ROW]
[ROW][C]Q21 excluded[/C][C]0.6592[/C][C]0.6748[/C][C]1[/C][C]0.0985[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=320244&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=320244&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
ItemsCronbach AlphaStd. AlphaG6(smc)Average R
All items0.68270.708210.1082
Q1 excluded0.67150.692410.1059
Q2 excluded0.64390.675510.0987
Q3 excluded0.70630.731810.1256
Q24 excluded0.66990.70110.1098
Q5 excluded0.6610.684410.1024
Q6 excluded0.63050.662610.0937
Q7 excluded0.69470.721210.1198
Q8 excluded0.61860.638810.0852
Q9 excluded0.66990.70110.1098
Q10 excluded0.67030.697910.1084
Q11 excluded0.70930.73110.1251
Q12 excluded0.67340.70210.1103
Q13 excluded0.63670.672110.0974
Q14 excluded0.66520.691910.1057
Q16 excluded0.67340.704410.1115
Q17 excluded0.67030.696510.1078
Q18 excluded0.70420.724210.1214
Q19 excluded0.69420.713110.1157
Q20 excluded0.6790.705710.1121
Q21 excluded0.65920.674810.0985



Parameters (Session):
par1 = VERDADEIRO ;
Parameters (R input):
par1 = VERDADEIRO ;
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 items',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')