Explain how genetic and environmental factors contribute to myopia.
What will be an ideal response?
The ideal answer should include:
1. Genetic: Myopia has a heritability of 90 percent.
2. Environmental: Myopia is becoming more common over time, most likely because children spend more time focusing at a single close distance, as in reading, writing, playing video games, and looking at cell phone and computer screens.
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Dr. Harshaw is planning to research the relationship between behavioral genetics and the effect of impulsivity on consumer behavior. To complete his research, Dr. Harshaw would likely conduct a ____.?
a. ?representative sampling b. ?twin study c. ?random variable study d. ?personality test
Jan decides to read a self-help book that is designed to help
her get control over her eating habits and experience rapid "perfectly healthy" weight loss. Though the advice is very useful, Jan should be cautious in believing the results of this inventory because the results A) are factual. B) are based on scientific methods. Incorrect. In fact, many self-help products of this type have no basis in science and should only be considered entertainment. C) may be part of the misinformation explosion. Correct. Despite the growth and accessibility of popular psychology, the industry has succumbed to the misinformation explosion, with little control over the quality of untested products. D) may lead to better decision making.
Puberty is defined as
a. the production of hormones in the reproductive glands stimulated by the pituitary gland. b. the stage of identity versus role confusion. c. the onset of sexual maturity. d. the time when a child becomes a teenager. e. the period when a child reaches adult cognitive ability.
The ______ gene hypothesis proposes that our genetic makeup developed during times when food was difficult to find.
a. adaptive b. frugal c. hungry d. thrifty