Although the majority of teenagers maintain stable relations with their parents throughout adolescence, as many as ___________ percent pass through a fairly rough time

What refers to the degree of assistance provided to the learner in the zone of proximal development, gradually decreasing as the learner's skills develop?

a. guided instruction b. framing c. scaffolding d. guided participation

In terms of consciousness, analogical problem solving __________

a. is always conscious b. is always unconscious c. cannot be related d. is sometimes conscious and sometimes unconscious