PSYC 51a Lecture Notes - Lecture 14: Arachnophobia, Effect Size, Complement Factor B

• School: Brandeis University
• Department: Psychology
• Course: PSYC 51a
• Professor: Lee Yoona

Document Summary

A specific combination of levels of each factor. An experiment that contains more than one factor, in which all combinations of different levels of different factors are included. Example: effects of drugs and list length on recall. Treatments in a factorial anova with 2 factors: drug and list length. Treatments in a factorial anova with 2 levels each: hi/lo drug, short/long. Number of treatment groups (cells) = 2 levels of drug x 2 levels of list length. Treatment (cell) 1 = level 1 of factor a and level 1 of factor b = lo. Treatment (cell) 2 = level 1 of factor a and level 2 of factor b = lo. Treatment (cell) 3 = level 2 of factor a and level 1 of factor b = hi. Treatment (cell) 4 = level 2 of factor a and level 2 of factor b = hi. >3 levels of 1 independent variable (factor), 1-way between subjects anova.