In class, Dr. Heyman discussed research in which infants kicked to activate a mobile. Which was a manipulation of context that affected the infants' performance?
a. whether the infant had prior experience with the mobile before training**
b. whether verbal explanations were present at the time of training
c. whether kicking behaviors were reinforced with music and moving colored lights
d. whether the crib contained different bumper pads at test and at training ** (d) was the correct answer but we have decided to accept (a) as well.
Answer: d. whether the crib contained different bumper pads at test and at training ** (d) was the correct answer but we have decided to accept (a) as well.
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Frequently occurring nightmares of one a week or more are associated with
a. the occurrence of night terrors. b. children and adolescents. c. adults who are middle-aged or older. d. higher levels of psychological distress.
During a laboratory experiment involving different schedules of reinforcement, a device with a moving strip of paper and a mechanical pen is connected to a Skinner box. This device is called a
a. CAI. b. CER. c. cumulative recorder. d. programmable counting lever.