A number of doctors and HMOs recommend that all women over the age of 40 have a baseline mammogram, with follow-up mammograms every two years. The goal is to identify possible breast cancer as early as possible. This is one example of:
a. secondary prevention
b. primary prevention
c. tertiary prevention
d. auxiliary prevention
A
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Julie is paid based on commission, so her salary reflects a _____ schedule of reinforcement
A) variable interval B) variable ratio C) fixed interval D) fixed ratio
When the participants in the study on experimental starvation were re-fed at the end of the starvation phase of the experiment,
A) ?many of them gained more weight than they had lost. B) ?most of them were not able to regain lost weight. C) ?they became more cheerful and optimistic than they had been prior to the starvation phase. D) ?they no longer had much interest in food.
According to Hobson's ________ theory, dreams begin in random neural activity.
Fill in the blank(s) with the appropriate word(s).
Omar, a 6-year-old, asks his mother for pasta in a small bowl as he is not hungry enough to finish a large bowl. He gets annoyed when his mother serves him a little pasta in a large bowl. Looking at the size of the bowl, he thinks that he will not be able to finish the pasta. In the context of Piaget's theory of cognitive development, which of following assumptions can be made about Omar?
A. He has developed a mental representation of the bowls. B. He lacks an understanding of the concept of conservation. C. He thinks his mother shares his perspective. D. He understands the idea of reversibility.