Abstract
To determine the relationship of echo-reactions to degree of semantic challenge, instances of spontaneous echo, vocalized and whispered, were tabulated from performances of eight-year-olds on the Peabody Picture Vocabulary Test (PPVT). Two hundred of 364 echoed 2226 of the stimuli on presentation. Analysis revealed that the occurrence of echoing increased as the semantic difficulty increased. The more difficult words were echoed significantly more often than were the less difficult words. Results are considered with respect to overt and covert echo-reactions—their role in the perception of speech and their developmental disposition as private, self-guiding speech.
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