You're attempting to teach brian, a preschooler, how to arrange a group of five blocks from largest to
smallest. first, you explain what you want him to do; then you do it yourself so he can see what he's
supposed to do. as brian attempts to arrange the blocks himself, you provide encouragement. when he's
successful, you reward him with a star sticker. in this situation, you're using the learning method.

a. developmental-interaction

b. behavior

c. eclectic

d. cognitive