Katlyn Examined Attitudes About a New Portfolio Assignment She Included

Multiple Choice

Katlyn examined attitudes about a new portfolio assignment she included in her advanced graphics class. She felt this assignment might result in more positive attitudes in her male students than in her female students. She is concerned about extraneous variables and would like to control use ACT scores as a control Which of the following is the best control procedure?

A) Matching
B) T test analysis
C) Grouping variable analysis
D) Factorial analysis of variance