At 03:11 PM 11/30/01 -0200, Ivan Balducci wrote: >Hi, members: >Please, I am hoping to get some clarification on this problem: >In my University, (I work in Dental School, in Brazil), >a dentist brought to me your data: >Experimental Unit: >cilindrical shape of Titanium pure ( 72 samples): diameter: 4mmm; height: 5mm >submeted to Shear Test (Instrom) >...................................................... >The Ti were to heating in furnace: >24 samples to 430ºC; >24 samples to700ºC >24 samples to and 900ºC >.......... >post hoc.... >........... >12 samples (from 430ºC) received porcelain type A >12 samples (from 430ºC) received porcelain type B >........................................................... >12 samples (from 700ºC) received porcelain type A >12 samples (from 700ºC) received porcelain type B >..................................................................... >12 samples (from 900ºC) received porcelain type A >12 samples (from 900ºC) received porcelain type B >............................................................................... > >Objectives: >Effect Interaction between the variables: Temperature and Porcelain >on Shear Data; >TIA, >ivan >My question is: She made an Split-Plot design ? >Whole plot: Temperature >Split: Porcelain.
looks like a simple randomized design to me ... in effect, you have selected 12 at random and raised to 430 AND gave porcelain type A ... and the other 5 combinations... 3 by 2 design ... fully randomized ... unless i am missing something _________________________________________________________ dennis roberts, educational psychology, penn state university 208 cedar, AC 8148632401, mailto:[EMAIL PROTECTED] http://roberts.ed.psu.edu/users/droberts/drober~1.htm ================================================================= Instructions for joining and leaving this list and remarks about the problem of INAPPROPRIATE MESSAGES are available at http://jse.stat.ncsu.edu/ =================================================================
