From: huron2016
Date: 10/15/2005
Time: 5:47:08 AM
"p = fraction of responses favorable (or unfavorable). You have to guess at this until you get the data, but a safe pick is 0.5 (50%), as that gives the largest n."
Thanks for the reply. Another question: Is the "p" above just for two choice questionare? How do I guess "p" for each possible important characteritics that students favor a good teacher should have? There appears to be more than two favorites, say "knowledgeable", "caring", "patient",... and many others that may pop up on the essay type (not multiple choice,questionare so that student can write down freely what is on their mind)? Sample size different? Thanks again.