A Researcher Selects a Sample of 36 Dog Owners and Measures

Multiple Choice

A researcher selects a sample of 36 dog owners and measures their responsiveness to pictures depicting the humane and inhumane treatment of dogs.The researcher finds that responsiveness significantly differed,t = 3.243.Use $\eta$ ² to compute the proportion of variance for this result.

A) $\eta$ ² = .21
B) $\eta$ ² = .23
C) $\eta$ ² = .25
D) there is not enough information to answer this question