In the study using the visual cliff and 12-month-olds,
A) the majority of the babies refused to cross to the "deep" side.
B) none of the babies crossed to the deep side even when their mothers displayed happiness.
C) only the babies with easy temperaments crossed to the "deep" side.
D) it was not clear whether the babies were responding to their mothers' facial expressions or the loudness of their voices.
D) it was not clear whether the babies were responding to their mothers' facial expressions or the loudness of their voices. Are they really responding to the meaning in the expression, or are they responding more to other aspects of the communication, such as the loudness of the mothers' voices?
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Research on context and speech perception has demonstrated that
a. people are amazingly accurate in identifying speech sounds that are missing in a sentence. b. people often do not notice a missing sound when it occurs within the context of a sentence. c. speech perception is almost entirely a bottom-up process. d. when a phoneme in a sentence is mispronounced, people typically cannot understand the sentence.
Amnesia (memory loss) frequently follows a traumatic event, such as a
blow to the head, an electric shock, or a major surgical operation. Indicate whether the statement is true or false