To decrease their risk of developing myopia, children should spend time outdoors on a daily basis.

Who was the psychologist who first began examining cognitive development within a cultural emphasis?

a. Jean Piaget b. Lev Vygotsky c. B. F. Skinner d. R. J. Sternberg

Test scores are higher when items are grouped

(1 ) in order from easiest to most difficult, and (2 ) according to the type of item A) Both 1 and 2 are true B) Only 1 is true C) Only 2 is true D) Neither 1 nor 2 is true