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Description of Statistical Computation

Author's title

Author*The author of this computation has been verified*
R Software Modulerwasp_cronbach.wasp
Title produced by softwareCronbach Alpha
Date of computationThu, 07 Dec 2017 11:52:29 +0100
Cite this page as followsStatistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?v=date/2017/Dec/07/t15126441973066s02k44fha7m.htm/, Retrieved Wed, 15 May 2024 03:25:09 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=308684, Retrieved Wed, 15 May 2024 03:25:09 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact96

Tree of Dependent Computations

Family? (F = Feedback message, R = changed R code, M = changed R Module, P = changed Parameters, D = changed Data)
-       [Cronbach Alpha] [Cronbach Alpha - ...] [2017-12-07 10:52:29] [0553ded3e3c4af9d05e2b3f12829db4c] [Current]
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Dataset

Dataseries X:
Download CSV
Histogram
Boxplots 
4	3	5	5	5
5	5	4	3	5
5	5	4	4	4
4	3	3	4	4
5	2	5	5	3
5	4	4	5	4
5	4	5	5	5
5	4	4	5	5
4	3	4	4	3
5	5	4	4	4
3	3	4	3	4
4	4	3	4	4
5	3	5	4	3
5	4	3	4	4
4	3	3	4	4
4	5	3	3	3
5	3	4	4	5
3	4	5	5	3
5	5	5	5	5
3	5	4	3	5
4	4	3	4	4
4	2	3	3	3
5	5	4	3	2
4	4	5	2	4
4	1	4	4	4
4	3	4	4	5
3	4	5	5	5
4	4	4	4	3
4	4	4	5	5
4	4	4	4	3
5	5	4	1	4
5	2	4	4	5
1	2	5	5	5
5	5	4	5	2
5	5	3	2	5
5	3	4	4	5
4	4	3	4	3
4	3	3	3	4
3	3	4	3	3
3	3	4	4	3
4	2	2	2	5
5	5	3	4	4
3	4	4	3	4
5	5	4	5	5
4	4	4	4	3
5	5	3	3	2
5	4	5	5	5
5	4	5	5	5
5	4	5	5	5
3	4	4	4	4
5	5	4	4	5
4	4	4	4	3
4	3	4	4	4
5	2	4	4	5
5	4	4	3	4
5	3	4	5	4
4	4	3	4	3
4	5	4	4	4
3	2	5	4	4
5	4	5	5	5
3	3	4	4	3
4	4	4	4	4
4	4	4	4	4
5	4	4	5	4
5	1	3	4	2
4	4	4	4	5
4	4	3	3	2
4	4	4	4	5
5	5	4	5	2
4	2	4	4	4
5	4	4	3	4
3	2	5	4	5
5	5	4	5	5
5	4	4	4	3
4	4	4	4	5
4	3	5	4	4
4	3	3	4	3
5	3	5	4	5
3	3	3	3	3
4	4	3	4	2
3	2	5	4	5
4	4	4	4	1
5	5	4	4	4
5	5	5	5	5
5	4	4	4	5
5	4	3	4	2
4	4	4	5	5
4	4	4	4	4
4	2	4	4	4
4	4	4	4	4
5	4	4	4	4
5	5	4	4	5
4	4	4	4	5
4	4	4	4	4
3	4	4	4	3
5	4	5	5	5
5	4	5	4	4
5	4	4	4	4
4	4	4	3	4
4	4	4	4	4
4	3	4	4	4
4	3	4	3	3
5	4	4	5	5
4	4	4	4	4
4	4	4	4	4
5	4	5	5	4
4	1	4	4	4
4	4	5	4	4
3	3	3	3	3
4	4	4	4	4
4	3	3	3	3
5	4	4	4	4
4	3	4	4	2
4	3	4	4	2
5	4	5	5	5
4	1	5	5	4
5	5	4	4	4
5	2	2	2	2
4	4	5	4	3
3	4	3	4	4
4	2	4	4	4
4	3	4	4	5
3	3	3	3	2
3	3	3	4	2
4	4	3	2	4
4	4	3	3	5
4	4	5	4	4
4	3	3	3	3
4	3	2	4	4
4	2	3	4	4
4	4	3	2	4
4	4	4	4	3
4	4	4	4	4
2	3	4	3	4
4	3	4	3	4
5	2	4	5	1
5	4	4	5	4
4	5	3	3	3
4	2	2	5	3
4	4	4	4	4
4	3	3	3	4
5	3	5	5	2
5	5	4	4	4
4	4	4	4	4
3	3	4	3	3
3	4	3	2	2
3	3	2	2	3
5	4	4	5	4
4	4	4	4	4
5	2	4	4	4
3	4	3	4	4
4	3	4	5	4
3	3	4	4	3
5	3	5	5	3
4	4	4	5	5
5	5	5	4	5
5	4	4	4	3
4	4	4	4	4
5	5	4	4	5
4	3	4	4	4
4	3	4	4	3
5	4	4	4	4
3	3	3	4	3
3	3	4	4	3
3	5	5	3	3
3	5	4	3	2
4	4	4	4	4
5	4	4	4	2
4	2	3	3	3
4	3	4	4	3
4	4	2	4	3
5	5	4	5	4
4	4	4	4	3
4	4	4	4	4
4	4	5	4	4
5	3	4	3	4
4	3	4	4	4
5	4	3	4	4
4	4	4	5	3
4	3	5	4	4
4	3	3	4	4
4	3	3	3	4
4	2	2	3	3
4	4	5	4	4
4	3	4	4	4
4	4	3	4	4
4	5	5	5	3
5	2	3	3	4
5	3	5	3	4
5	4	4	3	5
4	2	4	4	3
5	3	4	4	4
4	5	4	4	4
4	4	3	2	3
5	4	4	3	4
5	4	4	4	3
4	2	4	4	4
4	3	3	4	4
4	4	4	5	3
5	4	4	3	4
4	4	5	3	4
3	2	3	4	2
4	4	3	3	4
3	4	5	5	5
4	4	3	4	3
4	4	5	4	5
4	4	4	4	3
4	4	3	5	4
5	4	5	5	5
4	2	5	3	2
4	2	5	3	2
5	2	3	2	1
5	3	4	5	4
4	4	4	4	4
5	4	5	4	2
4	4	4	4	4
5	4	4	4	2
4	4	5	5	5
4	3	1	1	3
5	4	4	3	3
5	4	3	4	3
3	3	4	4	3
3	4	4	3	4
4	3	4	3	3
5	3	4	4	4
4	4	4	5	4
5	4	5	4	3
4	3	5	4	4
4	4	3	4	3
4	5	5	5	5
3	2	3	3	3
4	4	3	4	4
4	4	4	4	3
4	4	5	4	4
4	4	5	5	4
4	4	5	5	4
4	4	5	5	4
4	4	5	4	5
4	4	4	3	4
5	4	5	5	4
3	3	4	4	4
3	3	4	4	3
4	4	5	5	4
2	2	3	3	3
5	4	5	4	5
2	1	3	2	3
3	3	2	1	1
2	3	2	2	2
4	5	4	4	4
5	4	5	5	3
3	3	3	3	3
4	4	3	3	4
4	2	4	5	4
4	1	2	2	4
4	3	3	3	3
5	4	4	4	5
3	3	3	3	3
4	3	3	3	3
2	4	2	2	2
3	3	4	4	1
3	4	3	3	4
3	3	3	3	3
4	4	4	4	4
2	5	4	4	2
5	5	4	5	2
5	4	4	4	4
5	4	4	3	3
4	5	3	4	4
5	3	4	4	1
5	2	4	3	3
4	4	4	4	3
3	5	3	3	5
4	5	4	5	3
5	5	4	4	4
4	3	4	4	4
4	2	4	3	1
4	5	4	3	2
4	4	3	4	3
5	5	3	4	4
4	4	3	3	3
4	2	3	5	3
5	3	4	4	3
5	4	4	3	3
5	5	5	4	3
5	4	4	3	4
4	5	3	3	4
4	2	3	2	2
5	4	3	3	3
5	5	4	4	3
3	4	4	4	4
4	4	4	4	4
5	5	4	3	3
5	4	4	4	3
4	4	3	4	4
4	2	3	3	3
2	4	4	4	3
3	2	3	3	3
5	4	3	4	4
5	3	5	5	3
4	4	4	4	4
4	3	3	3	4
4	2	3	3	3
4	4	4	4	5
3	3	3	3	3
5	4	4	4	5
4	4	4	4	4
5	4	4	5	3
4	4	3	3	3
4	4	4	3	3
4	2	4	3	3
5	4	4	3	4
3	4	3	4	3
5	4	4	4	3
3	4	4	3	2
4	2	3	3	2
5	3	3	3	2
4	4	4	4	4
3	2	4	3	4
5	5	4	4	3
5	5	4	4	3
4	2	4	4	4
4	4	3	4	4
4	4	4	4	3
4	4	3	4	3
3	1	3	3	3
3	4	2	2	2
4	5	4	4	3
5	4	3	3	3
3	2	2	4	1
4	3	3	3	4
4	2	3	4	4
5	3	3	3	3
5	3	4	3	3
3	5	4	3	4
4	4	4	3	2
5	5	4	4	4
3	4	3	3	4
5	5	4	3	3
3	4	3	3	4
1	2	2	4	2
2	3	3	3	1
1	4	3	2	2
4	2	3	3	2
1	3	2	2	2
3	4	3	3	3
4	4	4	4	3
4	4	4	3	3
5	3	4	3	3
4	3	4	4	4
4	5	5	3	3
4	5	3	3	3
4	5	4	4	4
3	4	3	3	3
3	2	2	3	4
4	2	4	3	2
4	3	5	5	3
5	5	3	4	2
5	4	4	3	3
4	2	3	4	4
3	4	4	4	3
3	4	3	4	4
3	3	4	3	2
5	3	3	4	3
3	5	4	4	5
4	4	4	4	2
5	4	2	3	2
4	4	3	4	4
3	5	3	2	3
4	3	4	4	2
5	2	5	5	5
4	3	3	3	1
3	3	4	4	4
4	5	4	4	2
4	5	3	2	3
4	4	5	5	3
3	5	4	4	3
4	4	3	4	3
5	4	5	5	4
4	2	3	4	4
4	4	3	2	3
3	4	3	3	3
4	2	3	3	2
4	4	5	4	4
5	2	5	4	4
4	4	4	4	4
4	3	3	3	1
4	3	3	3	3
3	4	4	3	4
3	4	3	3	2
3	1	3	3	2
4	4	4	4	4
3	5	3	3	3
3	4	3	4	4
5	5	5	5	3
4	4	4	5	4
4	2	1	2	3
4	2	4	4	1
4	4	4	3	2
5	3	3	3	5
3	3	3	3	3
4	4	4	3	3
3	4	3	2	3
4	2	4	5	5
5	3	4	4	3
4	3	4	3	2
5	4	4	4	4
4	4	4	2	4
4	4	4	4	4
3	3	3	3	3
4	4	5	5	4
3	1	4	4	4
4	2	3	3	4
4	4	4	4	2
5	5	4	4	4
4	5	4	3	5
4	4	4	4	2
3	2	4	4	3
4	4	3	3	4
4	2	4	4	4
4	4	4	4	3
5	4	3	2	1
4	5	3	4	2
4	5	5	3	4
2	4	3	3	2
4	2	4	4	2
3	3	4	3	4
3	4	4	4	4
3	4	3	3	3
4	3	4	4	2
4	4	4	4	4
5	4	5	4	2
4	4	3	4	4
3	2	4	2	2
5	4	4	4	2
5	5	5	4	5
5	3	2	4	4
4	2	3	2	3
4	2	3	4	5
5	4	4	3	4
4	5	5	5	4
4	4	3	3	5
4	4	3	3	4
3	5	3	3	4
5	4	5	4	4
4	4	3	3	3
3	4	3	3	3

Tables (Output of Computation)





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=308684&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=308684&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=308684&T=0

As an alternative you can also use a QR Code:  
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 itmes0.62860.64280.61370.2646
Q7 excluded0.58480.60410.56690.2762
Q8 excluded0.64680.65620.60770.3231
Q9 excluded0.51910.52830.46650.2188
Q10 excluded0.53090.5420.47580.2283
Q11 excluded0.58960.60490.56780.2768

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.6286 & 0.6428 & 0.6137 & 0.2646 \tabularnewline
Q7 excluded & 0.5848 & 0.6041 & 0.5669 & 0.2762 \tabularnewline
Q8 excluded & 0.6468 & 0.6562 & 0.6077 & 0.3231 \tabularnewline
Q9 excluded & 0.5191 & 0.5283 & 0.4665 & 0.2188 \tabularnewline
Q10 excluded & 0.5309 & 0.542 & 0.4758 & 0.2283 \tabularnewline
Q11 excluded & 0.5896 & 0.6049 & 0.5678 & 0.2768 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=308684&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]0.6286[/C][C]0.6428[/C][C]0.6137[/C][C]0.2646[/C][/ROW]
[ROW][C]Q7 excluded[/C][C]0.5848[/C][C]0.6041[/C][C]0.5669[/C][C]0.2762[/C][/ROW]
[ROW][C]Q8 excluded[/C][C]0.6468[/C][C]0.6562[/C][C]0.6077[/C][C]0.3231[/C][/ROW]
[ROW][C]Q9 excluded[/C][C]0.5191[/C][C]0.5283[/C][C]0.4665[/C][C]0.2188[/C][/ROW]
[ROW][C]Q10 excluded[/C][C]0.5309[/C][C]0.542[/C][C]0.4758[/C][C]0.2283[/C][/ROW]
[ROW][C]Q11 excluded[/C][C]0.5896[/C][C]0.6049[/C][C]0.5678[/C][C]0.2768[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=308684&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=308684&T=1

As an alternative you can also use a QR Code:  
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 itmes0.62860.64280.61370.2646
Q7 excluded0.58480.60410.56690.2762
Q8 excluded0.64680.65620.60770.3231
Q9 excluded0.51910.52830.46650.2188
Q10 excluded0.53090.5420.47580.2283
Q11 excluded0.58960.60490.56780.2768


Figures (Output of Computation)

Input Parameters & R Code

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')