Hi
Here's a little spss simulation that illustrates Goldacre's model. Assuming
"coming out" occurs uniformly between 10 years and age surveyed produces values
very close to those observed. Perhaps more reasonable to assume some sort of
non-uniform distribution (normal around some mu?), which could lead to
different results unless there was some change in mu across generations.
*simulate survey of "coming out" about sexual orientation.
input program.
loop o = 1 to 100000.
end case.
end loop.
end file.
end input program.
compute out25 = rv.uniform(10, 25).
compute out35 = rv.uniform(10, 35).
compute out65 = rv.uniform(10, 65).
descr out25, out35, out65.
Mean Std. Deviation
out25 17.5056 4.33114
out35 22.4912 7.23075
out65 37.5434 15.87485
Take care
Jim
James M. Clark
Professor of Psychology
204-786-9757
204-774-4134 Fax
[email protected]
>>> <[email protected]> 30-Nov-10 6:53:18 PM >>>
Test yourself:
A survey was carried out recently asking gays when they came out (
first revealed that they were gay).
Results: (average age)
Over-60: 37
30s: 21
18-24: 17
So in the past 40 or so years, the average age of coming out has
fallen by 20 years.
True?
For the instructive answer, see
http://tinyurl.com/24erx2z
Stephen
--------------------------------------------
Stephen L. Black, Ph.D.
Professor of Psychology, Emeritus
Bishop's University
Sherbrooke, Quebec, Canada
e-mail: sblack at ubishops.ca
---------------------------------------------
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