Which conclusion is implied by the fact that immediate family members of people with Alzheimer’s disease have a three-fold higher risk of developing Alzheimer’s disease than does the general population?
a. There is no known cause of Alzheimer’s disease.
b. Alzheimer’s disease is likely caused by exposure to toxins in the environment.
c. There is likely a genetic component to Alzheimer’s disease.
d. Alzheimer’s disease has a tendency to “skip” generations.
Ans: C
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The probability of rejecting the null hypothesis when it is true is called:
a. alpha. b. beta. c. power. d. 1 ? beta.
The most common reason that we forget things from our long-term memoryis
A) decay B) too much time passes C) repression D) interference
In which of the following types of research studies is a group studied over of prolonged time period?
A. Case- control. B. Cross-sectional C. Crossover D. cohort E. Retrospective
What do constructionist theories on the origin of sexual orientation argue?
a. It is shaped primarily by the environment and personal experiences as we mature. b. It is shaped primarily by biological and developmental processes as we mature. c. Both A & B are correct d. None of the above.