Answer:The Five Methods of Psychological Research
Naturalist Observation.
Survey Method.
Case Study.
Correlational Design.
Experimental Method. The subjects are carefully researched in their natural environment without interference by the researchers. While doing this, researchers should be inconspicuous, or for those of a lower reading level, unnoticed. Pros.
Explanation:
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Answer – C. More than half
Alcohol is a key factor in more than half of all manslaughters, assaults, and murders. To be precise, Alcohol is a very important factor in up to 68 percent of manslaughters, 62 percent of assaults and 54% of murders and attempted murders.