Which of the following is not a reasonable criticism of research attempting to demonstrate language learning with nonhuman primates?
a. ?The animals' vocabularies are much less extensive than normal two- to three-year-old human children.
b. ?The animals' sentences are much less complicated than those of human children.
c. ?Judgments of what the animals are "saying" may be contaminated by experimenter bias.
d. ?The animals don't have a language acquisition device, so they can't really be learning language.
ANSWER:
d
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Cortical neurons in the visual cortex of a kitten or a cat will lose the ability to respond to stimuli in one eye if the eye is sutured shut for ____
a. the first week after birth b. the first month of life c. any two month period in adult life d. the third and fourth months of life
When researchers are interested in whether participants can provide consistent responses, which of the following are they concerned with?
A. accuracy B. validity C. reliability D. honesty
On about the sixth day after fertilization, the uterus secretes a chemical that dissolves the hard covering around the blastocyst, allowing it to implant in the ____
a. uterine wall c. kidney b. ovary d. endometrium