You have multiple sets of food items. You count the number of ants that go to each one (in a set time!). Repeat the experiment a number of times, putting the food items at different distances from the colony, or different items at different distances (so they go past one food item to get to the next?)
No, on second thought, why not set each food item the same distance & difficulty from the colony nest. Put all down at same time. Still interchange the relative location of the different foods. maybe use a pattern for this, so they wind up in each possible location, etc., etc. Well, you've got some thinking to do on food placement, I can tell. Maybe you want to put down only one food at a time. Or two or three, in a balanced block type design. then run a one-way AoV test comparing # of ants at each food. With a blocked design, food location is a blocking variable, and extracted via a 2-way AoV. Student's t can only compare 2 items (food) at a time. Not a good plan to use it repeatedly on a large set. Comments? Tennis, anyone? Cheers, Jay "Wong,Charles Maxim" wrote: > I was wondering if I can use any variant of Student's t test for this > analysis. > > I'm performing an experiment in which 200 ants in a single enclosure are > presented with multiple food items. > 3 of the food items have a lot of ants feeding on them, while the rest > have minimal ants. > > How would I go about determining if there is any significant difference > in the number of ants going for each of the 3 most popular items? > > > Thanks. -- Jay Warner Principal Scientist Warner Consulting, Inc. 4444 North Green Bay Road Racine, WI 53404-1216 USA Ph: (262) 634-9100 FAX: (262) 681-1133 email: [EMAIL PROTECTED] web: http://www.a2q.com The A2Q Method (tm) -- What do you want to improve today? . . ================================================================= Instructions for joining and leaving this list, remarks about the problem of INAPPROPRIATE MESSAGES, and archives are available at: . http://jse.stat.ncsu.edu/ . =================================================================
