Barney is a somewhat distractible second-grade student who finds schoolwork a bit boring. After a couple of minutes of working silently, Barney often starts to misbehave until his teacher, Ms. Skinner, calls his name and scolds him. However, he enjoys this attention from her and continues to misbehave. With respect to Barney’s misbehavior, Ms. Skinner’s attention serves as
A. punishment
B. positive reinforcement
C. negative reinforcement
D. differential reinforcement
E. primary reinforcement
B. positive reinforcement
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Each time we select a sample from a population (regardless of the sampling technique we use), we are likely to have some amount of ______ because we are not testing the entire population in our study.
A. skewed data B. distribution error C. confidence error D. sampling error
The earliest and most important factor associated with reduced death rates in the United States was
a. modern cure-oriented medicine b. industrialization c. preventive health care for individuals d. changes in the structure of contemporary families e. public health measures
From a physiological perspective, the reason that a nicotine addict smokes cigarettes frequently throughout the day is to prevent withdrawal symptoms, which include all of the following EXCEPT
A. irritability. B. weight loss. C. depression. D. difficulty concentrating.
Why is there a growing concern that children are watching television commercials advertising unhealthy foods?
a. because of the international epidemic of obesity in children b. because it makes it very difficult for parents to get children to eat their vegetables at dinner time c. because these foods are generally much more expensive than healthy foods d. because they are not as interested in watching the Veggie Tales show