Common chimps, the species studied most often, have been
A) able to consistently predict others' goals.
B) shown to have a broad understanding of others' mental states.
C) taught artificial languages and American Sign Language.
D) taught to produce strings of three or more symbols that conform to a rule-based structure.
C
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At the time of the suicide, a suicide victim was receiving psychotherapy and had left a clear suicide note. This suicide victim is:
A) the most common kind; most suicide victims are in psychotherapy, and they leave a suicide note. B) a somewhat uncommon kind; most suicide victims are in psychotherapy, but they do not leave a suicide note. C) a somewhat uncommon kind; about half of suicide victims have never received psychotherapy, but they do leave a suicide note. D) the least common kind; about half of suicide victims have never received psychotherapy, and they do not leave a suicide note.
The basic elements of speech are called
a. memes. b. morphemes. c. phonemes. d. grammemes. e. monemes.