The fact that dirt and contamination were threats to our ancestors suggests that __________.
A. preparedness theory may help explain obsessive-compulsive disorder
B. fear of these things is rational
C. obsessive-compulsive disorder probably exists in many species, not just humans
D. obsessive-compulsive disorder is one of the oldest disorders in existence
Answer: A
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What will be an ideal response?
If an Rh-negative mother is injected with Rh immunoglobulin within ____ after delivery of an Rh-positive baby, she will not develop the antibodies
Fill in the blank(s) with correct word
A valid classification system is one that
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A researcher wants to find out whether children who are lonely at age 5 will be lonely as adults. Which type of research design would be most appropriate for investigating this topic?
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