Hi
Similar to Claudia's approach, I wrote an spss program to simulate regression
to mean for my wife's clinical psych lectures. Define 10 groups on basis of
rank of scores at time 1 (t1) and then compute t2 through t6 with specified
reliability between successive times. Plotting means as
14:15 A simple man believes anything, but a prudent man gives thought
to his steps.
-Original Message-
From: Frantz, Sue [mailto:sfra...@highline.edu]
Sent: Monday, February 09, 2009 11:15 AM
To: Teaching in the Psychological Sciences (TIPS)
Subject: RE: [tips] Bogus treatments
Rick asked if anyone else teaches regression to the mean basic on classical
test theory assumptions.
This is exactly what I do too.
Stuart
___
Stuart J. McKelvie, Ph.D., Phone: (819)822-9600, Extension 2402
Department of
McKelvie [mailto:smcke...@ubishops.ca]
Sent: Monday, February 09, 2009 12:13 PM
To: Teaching in the Psychological Sciences (TIPS)
Subject: RE: [tips] [tips]Regression to the mean (was Bogus treatments)
Rick asked if anyone else teaches regression to the mean basic on classical
test theory assumptions
Oops! Mea culpa on regression to the mean. =(
Sue
--
Sue Frantz Highline Community College
Psychology, Coordinator Des Moines, WA
206.878.3710 x3404 sfra...@highline.edu
http://flightline.highline.edu/sfrantz/
--
APA Division 2:
