In Pavlov's experiments with dogs, the bell (prior to conditioning) was the

The size of the difference threshold is greater for heavier objects than for lighter ones. This best illustrates

A) sensory interaction B) the volley principle C) Weber's law D) the opponent-process theory

The ability to experience ________, the feeling of emotional closeness and interconnectedness with another person, develops during adolescence because of the cognitive, social, and physical advances that occur during that period

A) empathy B) intimacy C) interpersonality D) attachment