Re: random versus fixed factor

2002-01-16 Thread Thom Baguley
Dennis Roberts wrote: 1. you could take several methods AT random (after you list out all 50) ... This is the classical position, I think. However, in practice we never require random sampling in order to treat people as random. Clark argues ISTR that we should treat factors as random if

random versus fixed factor

2002-01-15 Thread Elias
have a random factor we can have interaction without main effects. is right that? k) And generally i read everywhere random versus fixed factor issue but nowhere refer what is that (disadv, adv.. implications...), neither i found something understadable in internet or in our bibliothic. l) so i ask

Re: random versus fixed factor

2002-01-15 Thread Dennis Roberts
gee just a short question to answer! here is one part of it say you were interested in whether different teaching methods impacted on how well students learned intro statistics ... now, if we put our minds to it, there probably are 50 or more different ways we could teach a course like

Re: random versus fixed factor

2002-01-15 Thread David Duffy
Elias [EMAIL PROTECTED] wrote: hi i am a little confused about this topic (i am a student in psychology), i can not understand the below (please be patient i am new to this) If you read Geoffrey Keppel _Design Analysis. A Researcher's Handbook_, (the 2nd ed is ISBN 0-13-200048-2) this may