Describe an example to demonstrate that even if a gene is known to produce an undesirable result, a change in the environment can largely prevent that outcome
What will be an ideal response?
A dominant gene leads to PKU (phenylketonuria), a type of mental illness. However, a strict diet that lacks the amino acid phenylalanine allows the child to develop normally
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Arnold is in middle childhood. He is most likely dealing with which psychosocial crisis?
a. Industry versus inferiority b. Trust versus mistrust c. Generativity versus stagnation d. Initiative versus guilt
A problem with the observation method of job analysis is that it is often:
a. illegal b. unreliable c. unethical d. obtrusive
Which statement about infants’ memory processing is true?
A) Babies display recognition but not recall. B) Babies display recall but not recognition. C) Infants’ memory processing is remarkably similar to that of adults. D) Infants acquire information slowly and fail to retain it over time.
Professor Johnston has found a strong positive correlation between wearing neckties and the frequency of strokes (r = 0.89). He thinks that the necktie reduces blood flow to the brain, preventing the brain from receiving enough oxygen. Professor Johnston and his associates claim to have proven that wearing neckties causes strokes. What error has Professor Johnston made?
a. An r = 0.89 is not a very large r-value. b. Professor Johnston is drawing a causal conclusion from correlational findings. c. Not everyone who wears a necktie wears it very tight. d. Professor Johnston should know that there are other ways for blood to reach the brain.