Repository of Reproducible Computations

Free Statistics

of Irreproducible Research!

Author's title

Author

*Unverified author*

R Software Module

rwasp_cronbach.wasp

Title produced by software

Cronbach Alpha

Date of computation

Sat, 08 Jun 2024 08:38:27 +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/2024/Jun/08/t171782899811i9amp058mmavd.htm/, Retrieved Fri, 28 Aug 2026 02:12:43 +0000

Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=320091, Retrieved Fri, 28 Aug 2026 02:12:43 +0000

QR Codes:

Paste this QR Code to cite your computation.

Original text written by user:

IsPrivate?

No (this computation is public)

User-defined keywords

Estimated Impact

315

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

-       [Cronbach Alpha] [Q1-Q20] [2024-06-08 06:38:27] [d41d8cd98f00b204e9800998ecf8427e] [Current]

Feedback Forum

Post a new message

Dataseries X:

Download CSV

Histogram

Boxplots

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

Summary of computational transaction
Raw Input	view raw input (R code)
Raw Output	view raw output of R engine
Computing time	1 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 time1 seconds \tabularnewline
R ServerBig Analytics Cloud Computing Center \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=320091&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=320091&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=320091&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	1 seconds
R Server	Big Analytics Cloud Computing Center

Cronbach Alpha and Related Statistics
Items	Cronbach Alpha	Std. Alpha	G6(smc)	Average R
All items	0.833	0.8321	0.8621	0.1986
Q1 excluded	0.8264	0.8254	0.8551	0.1992
Q2 excluded	0.8268	0.8258	0.8551	0.1996
Q3 excluded	0.825	0.824	0.8541	0.1977
Q4 excluded	0.8243	0.8233	0.8535	0.1969
Q5 excluded	0.8288	0.8279	0.8586	0.202
Q6 excluded	0.8287	0.8279	0.8567	0.202
Q7 excluded	0.8223	0.8214	0.8515	0.1949
Q8 excluded	0.8212	0.8203	0.8503	0.1937
Q9 excluded	0.8175	0.8171	0.8481	0.1904
Q10 excluded	0.8283	0.8273	0.8543	0.2013
Q11 excluded	0.83	0.8293	0.8573	0.2036
Q12 excluded	0.8254	0.8245	0.8551	0.1982
Q13 excluded	0.8305	0.8295	0.8565	0.2038
Q14 excluded	0.8248	0.8237	0.8522	0.1973
Q15 excluded	0.829	0.8281	0.8552	0.2023
Q16 excluded	0.821	0.8201	0.8508	0.1935
Q17 excluded	0.8267	0.8257	0.8538	0.1996
Q18 excluded	0.8262	0.8252	0.8544	0.199
Q19 excluded	0.8273	0.8264	0.8528	0.2004
Q20 excluded	0.8235	0.8224	0.8502	0.196

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All items & 0.833 & 0.8321 & 0.8621 & 0.1986 \tabularnewline
Q1 excluded & 0.8264 & 0.8254 & 0.8551 & 0.1992 \tabularnewline
Q2 excluded & 0.8268 & 0.8258 & 0.8551 & 0.1996 \tabularnewline
Q3 excluded & 0.825 & 0.824 & 0.8541 & 0.1977 \tabularnewline
Q4 excluded & 0.8243 & 0.8233 & 0.8535 & 0.1969 \tabularnewline
Q5 excluded & 0.8288 & 0.8279 & 0.8586 & 0.202 \tabularnewline
Q6 excluded & 0.8287 & 0.8279 & 0.8567 & 0.202 \tabularnewline
Q7 excluded & 0.8223 & 0.8214 & 0.8515 & 0.1949 \tabularnewline
Q8 excluded & 0.8212 & 0.8203 & 0.8503 & 0.1937 \tabularnewline
Q9 excluded & 0.8175 & 0.8171 & 0.8481 & 0.1904 \tabularnewline
Q10 excluded & 0.8283 & 0.8273 & 0.8543 & 0.2013 \tabularnewline
Q11 excluded & 0.83 & 0.8293 & 0.8573 & 0.2036 \tabularnewline
Q12 excluded & 0.8254 & 0.8245 & 0.8551 & 0.1982 \tabularnewline
Q13 excluded & 0.8305 & 0.8295 & 0.8565 & 0.2038 \tabularnewline
Q14 excluded & 0.8248 & 0.8237 & 0.8522 & 0.1973 \tabularnewline
Q15 excluded & 0.829 & 0.8281 & 0.8552 & 0.2023 \tabularnewline
Q16 excluded & 0.821 & 0.8201 & 0.8508 & 0.1935 \tabularnewline
Q17 excluded & 0.8267 & 0.8257 & 0.8538 & 0.1996 \tabularnewline
Q18 excluded & 0.8262 & 0.8252 & 0.8544 & 0.199 \tabularnewline
Q19 excluded & 0.8273 & 0.8264 & 0.8528 & 0.2004 \tabularnewline
Q20 excluded & 0.8235 & 0.8224 & 0.8502 & 0.196 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=320091&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]0.833[/C][C]0.8321[/C][C]0.8621[/C][C]0.1986[/C][/ROW]
[ROW][C]Q1 excluded[/C][C]0.8264[/C][C]0.8254[/C][C]0.8551[/C][C]0.1992[/C][/ROW]
[ROW][C]Q2 excluded[/C][C]0.8268[/C][C]0.8258[/C][C]0.8551[/C][C]0.1996[/C][/ROW]
[ROW][C]Q3 excluded[/C][C]0.825[/C][C]0.824[/C][C]0.8541[/C][C]0.1977[/C][/ROW]
[ROW][C]Q4 excluded[/C][C]0.8243[/C][C]0.8233[/C][C]0.8535[/C][C]0.1969[/C][/ROW]
[ROW][C]Q5 excluded[/C][C]0.8288[/C][C]0.8279[/C][C]0.8586[/C][C]0.202[/C][/ROW]
[ROW][C]Q6 excluded[/C][C]0.8287[/C][C]0.8279[/C][C]0.8567[/C][C]0.202[/C][/ROW]
[ROW][C]Q7 excluded[/C][C]0.8223[/C][C]0.8214[/C][C]0.8515[/C][C]0.1949[/C][/ROW]
[ROW][C]Q8 excluded[/C][C]0.8212[/C][C]0.8203[/C][C]0.8503[/C][C]0.1937[/C][/ROW]
[ROW][C]Q9 excluded[/C][C]0.8175[/C][C]0.8171[/C][C]0.8481[/C][C]0.1904[/C][/ROW]
[ROW][C]Q10 excluded[/C][C]0.8283[/C][C]0.8273[/C][C]0.8543[/C][C]0.2013[/C][/ROW]
[ROW][C]Q11 excluded[/C][C]0.83[/C][C]0.8293[/C][C]0.8573[/C][C]0.2036[/C][/ROW]
[ROW][C]Q12 excluded[/C][C]0.8254[/C][C]0.8245[/C][C]0.8551[/C][C]0.1982[/C][/ROW]
[ROW][C]Q13 excluded[/C][C]0.8305[/C][C]0.8295[/C][C]0.8565[/C][C]0.2038[/C][/ROW]
[ROW][C]Q14 excluded[/C][C]0.8248[/C][C]0.8237[/C][C]0.8522[/C][C]0.1973[/C][/ROW]
[ROW][C]Q15 excluded[/C][C]0.829[/C][C]0.8281[/C][C]0.8552[/C][C]0.2023[/C][/ROW]
[ROW][C]Q16 excluded[/C][C]0.821[/C][C]0.8201[/C][C]0.8508[/C][C]0.1935[/C][/ROW]
[ROW][C]Q17 excluded[/C][C]0.8267[/C][C]0.8257[/C][C]0.8538[/C][C]0.1996[/C][/ROW]
[ROW][C]Q18 excluded[/C][C]0.8262[/C][C]0.8252[/C][C]0.8544[/C][C]0.199[/C][/ROW]
[ROW][C]Q19 excluded[/C][C]0.8273[/C][C]0.8264[/C][C]0.8528[/C][C]0.2004[/C][/ROW]
[ROW][C]Q20 excluded[/C][C]0.8235[/C][C]0.8224[/C][C]0.8502[/C][C]0.196[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=320091&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=320091&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 items	0.833	0.8321	0.8621	0.1986
Q1 excluded	0.8264	0.8254	0.8551	0.1992
Q2 excluded	0.8268	0.8258	0.8551	0.1996
Q3 excluded	0.825	0.824	0.8541	0.1977
Q4 excluded	0.8243	0.8233	0.8535	0.1969
Q5 excluded	0.8288	0.8279	0.8586	0.202
Q6 excluded	0.8287	0.8279	0.8567	0.202
Q7 excluded	0.8223	0.8214	0.8515	0.1949
Q8 excluded	0.8212	0.8203	0.8503	0.1937
Q9 excluded	0.8175	0.8171	0.8481	0.1904
Q10 excluded	0.8283	0.8273	0.8543	0.2013
Q11 excluded	0.83	0.8293	0.8573	0.2036
Q12 excluded	0.8254	0.8245	0.8551	0.1982
Q13 excluded	0.8305	0.8295	0.8565	0.2038
Q14 excluded	0.8248	0.8237	0.8522	0.1973
Q15 excluded	0.829	0.8281	0.8552	0.2023
Q16 excluded	0.821	0.8201	0.8508	0.1935
Q17 excluded	0.8267	0.8257	0.8538	0.1996
Q18 excluded	0.8262	0.8252	0.8544	0.199
Q19 excluded	0.8273	0.8264	0.8528	0.2004
Q20 excluded	0.8235	0.8224	0.8502	0.196

Parameters (Session):

par1 = TRUE ;

Parameters (R input):

par1 = TRUE ;

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

par1 &lt;- 'TRUE'
library(psych)
par1b &lt;- T
if(par1=='FALSE') par1b &lt;- F
z &lt;- t(y)
(r &lt;- alpha(z,check.keys=par1b))
load(file='createtable')
a&lt;-table.start()
a&lt;-table.row.start(a)
a&lt;-table.element(a,'Cronbach Alpha and Related Statistics',5,TRUE)
a&lt;-table.row.end(a)
a&lt;-table.row.start(a)
a&lt;-table.element(a,'Items',1,TRUE)
a&lt;-table.element(a,'Cronbach Alpha',1,TRUE)
a&lt;-table.element(a,'Std. Alpha',1,TRUE)
a&lt;-table.element(a,'G6(smc)',1,TRUE)
a&lt;-table.element(a,'Average R',1,TRUE)
a&lt;-table.row.end(a)
a&lt;-table.row.start(a)
a&lt;-table.element(a,'All items',header=TRUE)
a&lt;-table.element(a,round(r$total['raw_alpha'],4))
a&lt;-table.element(a,round(r$total['std.alpha'],4))
a&lt;-table.element(a,round(r$total['G6(smc)'],4))
a&lt;-table.element(a,round(r$total['average_r'],4))
a&lt;-table.row.end(a)
n = length(z[1,])
for (i in 1:n) {
a&lt;-table.row.start(a)
a&lt;-table.element(a,paste(colnames(z)[i],' excluded',sep=''),header=TRUE)
a&lt;-table.element(a,round(r$alpha.drop[i,'raw_alpha'],4))
a&lt;-table.element(a,round(r$alpha.drop[i,'std.alpha'],4))
a&lt;-table.element(a,round(r$alpha.drop[i,'G6(smc)'],4))
a&lt;-table.element(a,round(r$alpha.drop[i,'average_r'],4))
a&lt;-table.row.end(a)
}
a&lt;-table.end(a)
table.save(a,file='mytable.tab')

Free Statistics

Description of Statistical Computation

Tree of Dependent Computations

Dataset

Tables (Output of Computation)

Figures (Output of Computation)

Input Parameters & R Code