Which of the following should be assured before going for parametric analysis of variance?

A. Independence of scores of the subjects

B. Categorical dependent variable

C. Random assignment of subjects to the treatments

D. Homogeneity of variance of the subjects' scores

Choose the most appropriate answer from the options given below:

1. AA, B, C, D only
2. BA, B, C only
3. CA, C, D only
4. DB, C, D only

Pick an option to check yourself, or open the answer below.

Show answer & explanation

Correct answer: C. A, C, D only

Explanation

ANOVA assumes independent observations, random assignment and homogeneity of variance, with a continuous (not categorical) DV.