Nicole's parents are trying to decrease the number of phone calls that she makes in a day. If Nicole makes fewer than 5 calls in a day, she is allowed to have a friend over the next day. In which DRL variation is the reinforcer delivered if the number of responses that occur in a period of time is less than a specified level

Imagine you are trying to remember a list of words. Having a better memory for items at the beginning of a list demonstrates the _____, whereas having a better memory for items at the end of a list demonstrates the _____

a) primacy effect; serial cognition effect. b) serial position effect; metamemory effect. c) primacy effect; recency effect. d) flashbulb memory effect; recency effect.

If you were having a baby in the United States this year, infants:

a. do not imprint on their parents like children in developing countries do. b. will likely be in close contact with both parents in the hospital from birth, barring and complications. c. will likely be kept in a nursery in a hospital after birth. d. will not be allowed contact with other relatives until released.