The rate of preterm births is highest among which group?

In regards to what kind of face people see as beautiful, ______ prefer ultrafeminine female faces with a soft, somewhat girlish look

a. neither males nor females b. males, but not females, c. females, but not males, d. both males and females

Incentives refer to:

a. internal states that have the capacity to motivate goal-directed behaviors b. learned patterns of responding that occur reflexively in the presence of specific stimuli c. external factors that have the capacity to motivate goal-directed behaviors d. unlearned patterns of responding that are controlled by specific triggering stimuli