In actual experimentation, random sampling rarely is used. Rather, _____ sampling

One of the key factors of Sperling's experiment was that

a. participants knew which row of the matrix to recall before the material was presented. b. participants knew which row of the matrix to recall only after the material was presented. c. the tone was presented simultaneously with the material to be recalled. d. some participants were allowed to view the material to be recalled longer than the other participants. e. some participants were asked to recall letters following a high-pitched tone and some following a low-pitched tone.

Baby Billy calls his favorite blanket a "blankie." When he sees other blankets in the house, however, he does not refer to them as "blankie" because he uses that name only for his favorite blanket. This is an example of __________

a) underextension b) overextension c) referential style d) holophrastic speech