Re: Factor analysis

1999-12-19 Thread Rich Ulrich
On Sat, 18 Dec 1999 12:00:52 -, "Haider Al-Katem" <[EMAIL PROTECTED]> wrote: > I have conducted a factor analysis on some questionnaire items. The > dependent variables that I am measuring for example ('Intention To Buy', > 'Attitude towards a product' and 'Trust in buying the product from a

Re: chi sq & arbitrary sample size

1999-12-19 Thread Rich Ulrich
On 18 Dec 1999 23:50:55 GMT, [EMAIL PROTECTED] (Archtopist) wrote: [...] > I've constructed a 2X5 contingency table for vegetation type (burn/no burn, veg > type 1, type 2... type 5) and ran a chi square using the number of acres in > each cell as N. > I am concerned that this is a large and ar

Re: Prediction Model Question

1999-12-19 Thread Donald F. Burrill
On Thu, 16 Dec 1999, Burke Johnson wrote: > A student of mine is getting ready to develop a GLM prediction model > that will include a mixture of categorical and quantitative predictor > variables. We will probably not include interaction terms in the model > (i.e., it will be a main effects on

Re: teaching statistical methods by rules?

1999-12-19 Thread Alan McLean
This thread has certainly been an interesting one, particularly the discussion about sorting out the use of t and z tests for the mean. It's not only in texts for psychology students that the authors present the n > 30 'rule' as a law of nature cast in bronze and elevated to the peerage! Apart fro

Re: teaching statistical methods by rules?

1999-12-19 Thread Herman Rubin
In article <[EMAIL PROTECTED]>, Robert Frick <[EMAIL PROTECTED]> wrote: >Jerry Dallal wrote: >> Robert Frick wrote: >> > I know it is hard to make statistics fun, but FOLLOWING >> RULES IS NEVER >> > FUN. Not in math, not in games, nowhere. >> In math and in games, following rules isn

Re: teaching statistical methods by rules?

1999-12-19 Thread Herman Rubin
In article <[EMAIL PROTECTED]>, Richard A. Beldin, Ph.D. <[EMAIL PROTECTED]> wrote: >The question is: If you don't teach by rules, what will you use? Teach the concepts and reasons. If you teach the rules, these become much harder to learn. Statistics is not a religion, where performing the sa

Re: teaching statistical methods by rules?

1999-12-19 Thread Herman Rubin
In article <[EMAIL PROTECTED]>, Robert Frick <[EMAIL PROTECTED]> wrote: >I happened to have a vehement and probably radical opinion on this. >One of my sayings: "Ironically, our educational system is ideally suited >to teaching computers and ill-suited to teaching human beings." If you >are goi