While having a gene for Parkinson's disease guarantees that Parkinson's disease will develop, this is not the only factor that can lead to Parkinson's disease. In other words, the presence of the gene is a ________, but not a ________

a. risk factor; sufficient cause
b. sufficient cause; necessary cause
c. necessary cause; risk factor
d. contributory cause; sufficient cause

b. sufficient cause; necessary cause

Psychology

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The impact of any child-rearing practice is affected by the

family structure. discipline preferences. cultural context. three levels of prevention.

Psychology

Which statement is TRUE of drug tolerance?

A) With continued use, lesser amounts of a drug are needed to produce the same effect. B) Discontinuing drug use produces physical sickness. C) With continued use, the same dose of a drug has less of an effect. D) With continued use, a person begins to crave the drug less.

Psychology