A researcher designs an experiment by manipulating the age of an applicant (young, middle, old); gender (male, female); and the type of job applied for (blue collar, white collar). Identify the type of design this experiment represents.
A)3 × 2
B)3 × 2 × 3
C)3 × 2 × 2
D)2 × 2 × 2

Question

Quizplus · Accepted Answer

The experiment involves three independent variables: age with 3 levels (young, middle, old), gender with 2 levels (male, female), and type of job with 2 levels (blue collar, white collar). Thus, it is a 3 (age) × 2 (gender) × 2 (job type) factorial design, making the correct answer 3 × 2 × 2.

A Researcher Designs an Experiment by Manipulating the Age of an Applicant