For each of the following scenarios, state whether we should use a One-way Anova, Repeated Measures Anova, or 2-way Anova.

1. To investigate the effect of vitamin C vs. Vitamin D vs. Vitamin A on matched triplets (each individual of the triplet receiving one vitamin).
2. To compare the effect of diet and physical activity on students' diets.
3. To assess the effect of tutoring on the same group of students during the Fall, Winter, and Spring quarters.
4. To compare the anxiety scores during pandemic era between Physicians, Nurses, and administrators.
5. To assess the impact of gender, SES, and family history on risk of CVD.