Dr Raqui Computed a Two-Way Factorial Analysis of Variance with Types

Multiple Choice

Dr. Raqui computed a two-way factorial analysis of variance with types of aggression (relational or overt) and the type of communication method (email, phone, or in-person) as the independent variables and level of self-esteem as the dependent variable. The relational aggression main effect was significant, F(1, 222) = 4.2, p = .001, eta² = .031. Which of the following represents the effect size?

A) 222
B) .001
C) 4.2
D) .031