Question

Can changing diet reduce high blood pressure? vegetarian diets and low-salt diets are both promising. men with high blood pressure are assigned at random to four diets • normal diet with unrestricted salt: • vegetarian with unrestricted salt; • normal with restricted salt; • vegetarian with restricted salt. this experiment has

a.one factor, the type of diet

b.two factors, high blood pressure and type of diet

c.two factors, normal/vegetarian diet and unrestricted/ restricted salt.

d.three factors, men, high blood pressure and type of diet.

e.four factors, the four diets being compared

Answer 1

OPTION C . IS CORRECT ANSWER