Evgenia wants to know whether eating a diet high in protein will increase children's cognitive abilities. The best research method for her to choose will be a(n)
A) experimental study.
B) correlational study.
C) observational study.
D) survey of children's eating habits.
A
Psychology
You might also like to view...
For a one-way ANOVA for independent groups source table, the total degrees of freedom is 26,
and the between-groups degrees of freedom is 2. The within-groups degrees of freedom should therefore equal A) 1 B) 2 C) 14 D) 28 E) 24
Psychology
Quinn is 3 years old. He is unable to focus on two aspects of a situation at once. According to Piaget, this indicates that Quinn lacks conservation skills. What developmental stage is Quinn in?
a. Sensorimotor b. Concrete operations c. Preoperational d. Formal operations
Psychology