Piaget referred to children's lack of ability to comprehend that objects can be simultaneously part of more than one group as ______

In which of the following areas can married people be dissimilar and still experience a high degree of marital success?

a. values b. age c. contribution d. culture

In operant conditioning, reinforcing successive approximations of a desired behavior is a procedure called ________

a. chaining b. shaping c. higher-order conditioning d. counterconditioning