Abstract
Some linguistic analytical procedures and preliminary findings from controlled tape-recorded samples of a group of echolalic children are reported together with the clinical and experimental rationale for the investigation. The subjects are echolalic 3-year-olds and a group of young clinical referrals representing a variety of pathological conditions. Variables selected for study include the proportion of echo to non-echo and silence, the quality and appropriateness of the non-echoed speech, the amount of the stimulus echoed, the nature of the triggering stimulus, the deviation of echo pattern from stimulus pattern, pitch-loudness-tlme variations, and the child''s chronological and mental ages. Early quantitative results yielded very similar echo: non-echo: silence percentages with echolalia representing a mean of about 40% of the conversation of each experimental group.

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