Liam was born weighing less than 750 g or 1 pound, 10 oz. What category is he in?
A. preterm
B. small for date
C. very low birth weight
D. extremely low birth weight
Answer: D
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On average, northern Europeans drink much more milk than Japanese or Chinese people, because of a genetic difference. What does that gene control?
a. Maturation of odor receptors b. Maturation of taste receptors c. Connections between taste receptors and the brain d. Digestion of the sugars in milk
Imagine that a young child is just learning about the category "dog." Thus far, she has experienced only two dogs, one a small poodle and the other a large German shepherd. On her third encounter with a dog, she will be LEAST likely to correctly categorize the animal as a dog if that animal
a. matches the size of the poodle but is of a different breed. b. is a dog that does not bark. c. matches an exemplar of one of the dogs she has experienced. d. is similar to an "average" for the dogs she has encountered.
In a within-subjects design:
a. larger effect sizes are needed to reject the null hypothesis. b. smaller treatment differences are needed to reject the null hypothesis. c. a smaller F is needed to reject the null hypothesis. d. the variability of scores in each condition is reduced.
Which of the following substances appears to enhance adult neurogenesis in rats?
a. antidepressant medications b. sonic hedgehog c. alcohol d. marijuana