Yesterday you asked your friend Ray for a couple of aspirin tablets to relieve your headache. Ray has been taking a psychology course and informs you that, in behavioral terms, aspirin is a ________ reinforcer

What is the term for the phenomenon that happens when a person's resolve to break a habit fades when faced with stress?

attention myopia stressor allostatic load motivational forgetting

Over the years, scientists have taught American Sign Language (ASL) to several chimpanzees and gorillas

Based on your text's discussion, which of the following choices offers the best estimate of the number of signs these animals have been able to understand? a) fewer than 10 b) about 100 c) several hundred d) at least 1000