Re: What is an experiment ?

2002-02-22 Thread SSCHEINE
Let me take a (somewhat) contrarian position to those previously expressed. An experiment is any test of a hypothesis. An experiment can involve the use of observational (unmanipulated) data, as long as the hypothesis is clearly stated prior to the collection of the data. While it is true that an

Re: common mistakes in statistics

2000-12-08 Thread SSCHEINE
d an advanced degree in Animal Ecology (actually > Limnology) from ISU. > > Having not read your book I'm curious if there are general design types used > in Ecology, and if so, what are they? I tend to work in industrial > statistics which focuses heavily on factorial and response

Re: common mistakes in statistics

2000-12-07 Thread SSCHEINE
James, I will humbly submit my own book "Design and Analysis of Ecological Experiments" (eds. S. M. Scheiner and J. Gurevitch). The various chapters discuss these issues and provide references to various articles that go into details about specific instances. Sam Scheiner > "Dalby, James" wr

Re: Polls: Errors on Prime Time - NOT AN ERROR

2000-11-13 Thread SSCHEINE
Actually, the exiting polls got it right!!! Remember, a lot of people left the polling booth thinking that they had voted for Gore, when they had actually messed up their ballot. Based on who they thought that they had voted for, they informed the exit pollers who called it for Gore. Sam *

Re: Polls: Errors on Prime Time

2000-11-09 Thread SSCHEINE
Even better, people might deliberately lie. About 20 years ago in Chicago, newspaper columnist Mike Royko, in a protest over predicting winners before the polls closed, encouraged people to deliberately lie to exit pollers. The predictions that night were fun to watch! Sam "J. Williams" wrote: >