Chinese infants are generally more expressive than European, American, and Japanese infants.

An "acquiescence response set" refers to the tendency of people filling out questionnaires to

A) agree to fill out questionnaires even when they would prefer not to. B) select the answer option that they think makes the best impression. C) have a bias toward saying "yes" or "agree" to questions. D) have a bias to select the last answer option. E) select the answer option that they think the examiner expects.

In order to implement DRO successfully you need to:

a. deliver the reinforcer when the alternative behavior occurs b. deliver the reinforcer for the absence of the problem behavior c. deliver the punisher when the problem behavior occurs d. A and C