Question

Can a vegetarian or low-salt diet reduce blood pressure? Men with high blood pressure are assigned at random to one of four diets: (1) normal diet with unrestricted salt; (2) vegetarian with unrestricted salt; (3) normal with restricted salt; and (4) vegetarian with restricted salt. This experiment has one factor, the type of diet. two factors, high blood pressure and type of diet. two factors, normal/vegetarian diet and unrestricted/restricted salt. three factors, men, high blood pressure, and type of diet. four factors, the four diets being compared.

Answer 1

Answer: This experiment has two factors.

Explanation:

This experiment has two factors in it. These two factors are: One is normal/ vegetarian diet and other is unrestricted /restricted salt diet.

The condition that is kept in the experiment are kept varying and the results are recorded in order to check whether vegetarians can lower blood pressure by their diet or not.  

So, here in the experiment there are two factors on which the experiment is based on.