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Author*The author of this computation has been verified*
R Software Modulerwasp_cronbach.wasp
Title produced by softwareCronbach Alpha
Date of computationThu, 19 Dec 2013 03:55:51 -0500
Cite this page as followsStatistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?v=date/2013/Dec/19/t1387443382nlb0xyncgxwnm5e.htm/, Retrieved Thu, 28 Mar 2024 19:25:41 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=232443, Retrieved Thu, 28 Mar 2024 19:25:41 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact196
Family? (F = Feedback message, R = changed R code, M = changed R Module, P = changed Parameters, D = changed Data)
-       [Cronbach Alpha] [] [2013-12-19 08:55:51] [9e6a405f514733ea23d87e4507d39d29] [Current]
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Dataseries X:
7 7 7 5 5 7 4 5 6 6 4 5
5 5 5 5 4 4 4 4 4 4 3 4
6 5 4 4 5 4 5 5 6 2 5 5
4 5 5 5 4 4 5 5 4 2 2 3
5 5 5 5 4 4 4 4 2 2 2 2
6 6 6 7 6 6 6 5 5 5 5 4
7 4 7 7 5 4 4 4 1 1 1 1
6 5 5 6 3 2 2 5 6 4 5 5
6 7 7 6 4 6 5 4 3 5 4 4
6 5 5 6 4 3 5 4 4 4 3 3
5 2 4 6 2 6 5 6 3 1 1 5
5 5 6 6 5 5 6 4 2 2 5 4
4 5 4 6 3 4 3 3 4 4 3 3
6 6 6 6 5 5 5 5 3 2 2 1
6 6 7 7 6 7 7 7 5 6 6 6
5 5 6 5 4 4 5 4 3 3 3 2
3 3 4 3 3 1 2 2 3 2 2 2
7 6 6 7 6 6 7 6 6 6 6 6
3 5 6 6 7 7 5 7 1 2 1 1
5 5 6 6 2 4 3 4 1 6 4 4
3 3 4 4 6 5 3 5 1 1 1 2
5 5 5 6 4 4 1 6 5 4 5 5
2 1 2 2 1 1 2 1 2 1 1 2
6 5 6 6 4 4 5 3 3 4 3 3
3 4 5 5 3 2 5 4 3 2 2 4
6 6 6 7 6 6 7 5 5 5 6 1
6 6 6 7 6 6 7 5 5 5 6 1
5 4 5 5 3 3 2 1 1 1 1 2
5 4 5 6 6 5 4 4 2 1 2 4
7 5 5 6 4 5 5 5 3 4 4 4
6 4 6 6 7 6 6 6 5 4 4 4
5 5 6 6 4 5 5 5 3 5 4 5
5 6 5 5 4 4 5 5 5 5 4 6
4 3 4 4 3 4 4 4 3 3 3 3
4 5 6 5 4 1 3 4 2 1 1 3
6 5 5 6 6 5 6 4 4 5 3 4
5 3 5 5 3 3 3 3 3 2 1 1
5 5 5 5 2 4 5 4 3 3 3 5
7 7 7 7 7 7 7 7 6 6 6 6
5 6 5 6 7 7 5 6 6 4 3 2
5 4 5 4 5 5 5 4 3 4 4 4
6 5 7 5 5 5 5 5 3 2 2 3
5 5 5 5 6 7 6 5 4 3 3 4
6 6 7 6 7 7 5 7 4 5 4 5
7 7 6 6 6 7 6 6 2 5 3 2
5 3 3 4 3 2 2 5 2 2 2 3
5 4 4 4 4 3 2 3 3 2 2 2
5 6 6 6 4 2 4 5 2 1 1 4
6 5 5 5 4 4 5 4 5 4 4 5
2 2 4 5 2 4 3 5 5 1 2 2
4 4 4 6 4 4 4 4 6 4 3 4
4 4 6 5 3 4 2 2 3 4 4 3
6 5 5 6 5 5 5 5 3 5 4 4
3 4 4 5 3 4 2 2 2 4 2 2
6 6 6 6 5 5 6 6 5 5 4 5
6 2 5 5 5 5 5 5 2 2 2 4
5 4 5 6 4 5 5 5 4 3 3 4
6 6 6 6 5 5 5 2 4 2 2 2
1 4 6 3 5 5 5 6 1 1 1 1
5 5 6 6 6 5 6 6 6 5 4 4
7 6 5 6 4 4 5 5 2 2 1 4
4 4 5 5 4 5 5 3 3 3 3 3
5 6 5 5 7 7 7 6 4 4 4 4
6 6 5 6 6 6 6 7 3 2 1 5
4 5 4 4 5 5 4 5 4 5 4 5
6 6 5 5 6 5 5 6 3 2 1 5
6 6 6 6 6 6 6 6 6 6 6 6
5 4 6 6 5 5 5 5 4 5 4 4
5 6 5 6 4 5 5 5 5 4 4 5
3 3 5 5 2 3 2 4 3 2 2 2
5 5 5 6 7 5 5 5 4 4 5 6
6 5 6 6 5 5 6 6 3 5 5 5
5 5 6 6 5 4 3 4 3 4 3 2
6 6 6 6 6 5 5 4 6 6 5 6
6 6 6 6 6 6 6 6 6 6 5 5
4 4 4 4 4 4 4 4 2 4 4 4
4 4 4 4 4 4 4 4 2 4 4 4
6 5 5 5 6 6 5 5 6 3 3 4
7 6 6 7 6 4 7 7 5 6 5 7
4 3 3 5 5 5 2 4 1 2 3 1
5 6 7 7 7 6 7 7 2 2 4 2
6 2 5 5 3 3 3 2 5 2 2 3
6 5 6 6 6 5 6 4 3 3 3 3
5 3 6 6 5 5 5 5 3 2 3 4
3 4 5 5 6 5 6 3 4 4 5 4
7 6 6 6 7 7 7 6 6 5 5 5
6 5 6 7 4 6 5 5 4 4 4 4
4 4 4 5 2 4 3 3 2 3 3 3
4 5 6 4 3 2 2 1 4 4 4 2
5 5 5 5 5 6 5 5 4 3 3 3
3 4 4 4 5 3 5 5 2 2 2 3
7 7 7 6 6 6 6 6 4 5 5 5
6 4 6 6 3 3 5 5 3 3 3 4
6 6 6 5 3 5 5 5 6 5 4 4
4 4 4 4 5 5 5 5 4 3 3 3
5 4 5 5 5 5 5 5 4 3 3 3
6 6 6 7 3 5 6 5 3 4 2 4
5 3 5 6 4 4 4 5 3 3 4 4
6 4 4 5 1 4 5 6 3 3 3 3
6 7 7 6 7 6 6 7 4 6 6 6
4 5 6 6 4 2 5 4 2 3 3 3
5 5 5 5 7 7 5 3 2 1 1 1
6 6 6 6 4 4 4 5 3 5 5 5
5 5 6 6 5 6 6 6 3 6 5 5
5 5 5 5 5 6 6 4 4 4 3 3
4 4 5 5 6 4 5 4 4 4 3 4
4 5 5 4 4 5 3 2 2 5 3 2
6 6 5 7 4 4 5 4 5 4 4 6
5 5 7 7 4 4 3 1 5 4 1 5
6 5 6 5 6 6 6 6 4 3 5 5
5 4 7 7 4 4 4 6 4 1 2 1
6 4 6 6 3 5 6 6 3 2 3 2
5 5 5 5 3 3 5 5 4 3 2 3
4 5 4 5 5 5 5 5 4 2 3 3
6 6 6 7 5 6 6 5 5 5 5 5
4 5 4 5 3 3 4 2 4 2 3 3
5 3 3 5 4 5 3 4 5 2 2 3
5 5 5 5 5 4 4 4 3 4 3 4
6 3 5 5 5 6 5 6 2 2 1 1
3 4 5 3 3 3 4 2 1 3 3 3
5 4 5 5 3 4 2 5 5 4 5 4
4 5 5 5 5 6 6 6 5 3 4 6
5 2 5 4 3 4 3 5 3 1 1 2
5 5 3 4 4 5 4 4 4 5 4 5
7 7 7 7 7 7 7 7 4 1 1 3
5 6 6 6 6 5 6 3 5 4 4 4
7 6 6 6 5 6 6 6 5 5 6 6
5 5 4 6 2 2 7 2 3 3 3 2
4 4 4 5 4 5 5 4 4 4 3 4
6 6 6 5 6 6 5 6 6 3 3 5
4 3 4 5 6 3 5 5 4 3 4 4
4 7 6 6 5 6 6 6 5 6 6 5
4 3 2 2 4 2 2 4 4 2 1 2
4 4 5 5 4 4 4 4 4 4 2 3
6 6 5 7 5 5 7 6 5 5 4 6
6 5 6 6 3 3 4 3 4 4 3 3
5 6 5 5 5 5 7 5 3 4 2 5
3 4 4 5 5 5 4 4 3 3 2 4
6 6 6 6 5 6 7 5 6 4 5 5
5 6 6 6 6 5 5 4 5 5 5 5
4 4 5 5 4 2 2 2 2 3 2 1
5 5 5 5 3 5 5 4 4 5 4 4
2 3 2 2 3 5 3 7 3 2 2 2
5 6 6 7 4 4 3 4 3 6 4 5
7 5 6 7 5 6 6 6 5 6 4 7
4 6 5 5 5 5 3 4 3 2 2 3
4 5 6 6 3 4 4 6 3 3 3 4
7 6 7 5 6 4 6 6 4 4 3 4
6 5 5 6 5 5 5 5 5 4 4 5
5 6 5 5 4 5 6 5 5 4 5 4
5 5 5 6 5 4 5 5 5 4 2 1
5 5 6 6 4 6 2 6 5 3 2 2
7 6 7 7 7 6 5 4 3 7 5 5
6 5 7 6 5 7 6 2 4 4 2 2
6 6 6 6 3 7 7 5 4 4 4 4
5 5 5 6 5 5 4 4 3 4 4 5
2 4 6 6 2 4 4 6 4 4 4 6
4 4 4 4 4 4 4 4 4 4 4 4
6 4 6 6 3 3 5 5 3 3 3 4
5 5 6 4 4 4 4 4 2 5 4 6
5 4 4 5 5 4 4 4 4 3 2 4
5 5 5 5 4 4 5 5 4 5 4 4




Summary of computational transaction
Raw Inputview raw input (R code)
Raw Outputview raw output of R engine
Computing time7 seconds
R Server'Gertrude Mary Cox' @ cox.wessa.net

\begin{tabular}{lllllllll}
\hline
Summary of computational transaction \tabularnewline
Raw Input & view raw input (R code)  \tabularnewline
Raw Output & view raw output of R engine  \tabularnewline
Computing time & 7 seconds \tabularnewline
R Server & 'Gertrude Mary Cox' @ cox.wessa.net \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=232443&T=0

[TABLE]
[ROW][C]Summary of computational transaction[/C][/ROW]
[ROW][C]Raw Input[/C][C]view raw input (R code) [/C][/ROW]
[ROW][C]Raw Output[/C][C]view raw output of R engine [/C][/ROW]
[ROW][C]Computing time[/C][C]7 seconds[/C][/ROW]
[ROW][C]R Server[/C][C]'Gertrude Mary Cox' @ cox.wessa.net[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=232443&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=232443&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 Inputview raw input (R code)
Raw Outputview raw output of R engine
Computing time7 seconds
R Server'Gertrude Mary Cox' @ cox.wessa.net







Cronbach Alpha and Related Statistics
ItemsCronbach AlphaStd. AlphaG6(smc)Average R
All itmes0.8890.89170.91430.4068
Q1_2 excluded0.87930.88160.90640.4036
Q1_9 excluded0.87430.87640.90170.3918
Q1_16 excluded0.88220.8840.9040.4092
Q1_23 excluded0.88040.88180.90360.4042
Q1_6 excluded0.88260.88540.90730.4126
Q1_13 excluded0.87830.88160.90250.4037
Q1_20 excluded0.87540.87870.90390.3971
Q1_27 excluded0.88510.88810.90970.4192
Q1_4 excluded0.88470.88820.91160.4195
Q1_11 excluded0.87830.88160.89830.4037
Q1_18 excluded0.87730.88130.90010.4029
Q1_25 excluded0.88310.88620.90770.4145

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.889 & 0.8917 & 0.9143 & 0.4068 \tabularnewline
Q1_2 excluded & 0.8793 & 0.8816 & 0.9064 & 0.4036 \tabularnewline
Q1_9 excluded & 0.8743 & 0.8764 & 0.9017 & 0.3918 \tabularnewline
Q1_16 excluded & 0.8822 & 0.884 & 0.904 & 0.4092 \tabularnewline
Q1_23 excluded & 0.8804 & 0.8818 & 0.9036 & 0.4042 \tabularnewline
Q1_6 excluded & 0.8826 & 0.8854 & 0.9073 & 0.4126 \tabularnewline
Q1_13 excluded & 0.8783 & 0.8816 & 0.9025 & 0.4037 \tabularnewline
Q1_20 excluded & 0.8754 & 0.8787 & 0.9039 & 0.3971 \tabularnewline
Q1_27 excluded & 0.8851 & 0.8881 & 0.9097 & 0.4192 \tabularnewline
Q1_4 excluded & 0.8847 & 0.8882 & 0.9116 & 0.4195 \tabularnewline
Q1_11 excluded & 0.8783 & 0.8816 & 0.8983 & 0.4037 \tabularnewline
Q1_18 excluded & 0.8773 & 0.8813 & 0.9001 & 0.4029 \tabularnewline
Q1_25 excluded & 0.8831 & 0.8862 & 0.9077 & 0.4145 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=232443&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]0.889[/C][C]0.8917[/C][C]0.9143[/C][C]0.4068[/C][/ROW]
[ROW][C]Q1_2 excluded[/C][C]0.8793[/C][C]0.8816[/C][C]0.9064[/C][C]0.4036[/C][/ROW]
[ROW][C]Q1_9 excluded[/C][C]0.8743[/C][C]0.8764[/C][C]0.9017[/C][C]0.3918[/C][/ROW]
[ROW][C]Q1_16 excluded[/C][C]0.8822[/C][C]0.884[/C][C]0.904[/C][C]0.4092[/C][/ROW]
[ROW][C]Q1_23 excluded[/C][C]0.8804[/C][C]0.8818[/C][C]0.9036[/C][C]0.4042[/C][/ROW]
[ROW][C]Q1_6 excluded[/C][C]0.8826[/C][C]0.8854[/C][C]0.9073[/C][C]0.4126[/C][/ROW]
[ROW][C]Q1_13 excluded[/C][C]0.8783[/C][C]0.8816[/C][C]0.9025[/C][C]0.4037[/C][/ROW]
[ROW][C]Q1_20 excluded[/C][C]0.8754[/C][C]0.8787[/C][C]0.9039[/C][C]0.3971[/C][/ROW]
[ROW][C]Q1_27 excluded[/C][C]0.8851[/C][C]0.8881[/C][C]0.9097[/C][C]0.4192[/C][/ROW]
[ROW][C]Q1_4 excluded[/C][C]0.8847[/C][C]0.8882[/C][C]0.9116[/C][C]0.4195[/C][/ROW]
[ROW][C]Q1_11 excluded[/C][C]0.8783[/C][C]0.8816[/C][C]0.8983[/C][C]0.4037[/C][/ROW]
[ROW][C]Q1_18 excluded[/C][C]0.8773[/C][C]0.8813[/C][C]0.9001[/C][C]0.4029[/C][/ROW]
[ROW][C]Q1_25 excluded[/C][C]0.8831[/C][C]0.8862[/C][C]0.9077[/C][C]0.4145[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=232443&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=232443&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 itmes0.8890.89170.91430.4068
Q1_2 excluded0.87930.88160.90640.4036
Q1_9 excluded0.87430.87640.90170.3918
Q1_16 excluded0.88220.8840.9040.4092
Q1_23 excluded0.88040.88180.90360.4042
Q1_6 excluded0.88260.88540.90730.4126
Q1_13 excluded0.87830.88160.90250.4037
Q1_20 excluded0.87540.87870.90390.3971
Q1_27 excluded0.88510.88810.90970.4192
Q1_4 excluded0.88470.88820.91160.4195
Q1_11 excluded0.87830.88160.89830.4037
Q1_18 excluded0.87730.88130.90010.4029
Q1_25 excluded0.88310.88620.90770.4145



Parameters (Session):
Parameters (R input):
R code (references can be found in the software module):
library(psych)
z <- t(y)
(r <- alpha(z))
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')