Which intervention for treating childhood obesity is regarded as the most effective?
A) a weight loss camp
B) a strict diet and exercise regimen
C) rewards for weight-loss and punishment for daily inactivity
D) a family-based approach focused on changing behaviors
Answer: D
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Behaviorists are called learning theorists because _____
a. one has to learn a lot in order to practice in this field b. learning is not instinctual c. all behavior is learned step by step and can be shaped by the responses of others d. learning automatically occurs
In _________ research, the researcher can tell if an association or relationship between two factors exists
a) scientific b) correlational c) hypothetical d) experimental
Mark is a graduate student who interviews a group of 5-year-olds, a group of 20-year-olds, and a group of 50-year-olds and ask them about cultural issues. In this example, Mark is using a___ research design.
A) longitudinal B) cross- sequential C) factorial D) cross-sectional
A veterinarian was concerned about the link between dog food ingredients and rising rates of obesity among dogs and decided to do a study. She began by randomly assigning ten dogs of different breeds to two groups. The dogs in one group were given additive-free food made with organic ingredients. Those in the other group were given conventional dog food. Six weeks later, the veterinarian weighed the dogs and compared the two groups. Why did the veterinarian randomly assign the dogs to groups?
a. It was the easiest way to assign the dogs to groups. b. to be certain that the results would apply to all breeds of dogs c. to minimize differences between the two groups that might affect their weights d. so that the results could be published in a scientific journal