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Supplementary auditory and vestibular stimulation: effects on institutionalized infants |
Casler L |
Journal of Experimental Child Psychology 1975 Jun;19(3):456-463 |
clinical trial |
6/10 [Eligibility criteria: Yes; Random allocation: Yes; Concealed allocation: No; Baseline comparability: Yes; Blind subjects: No; Blind therapists: No; Blind assessors: Yes; Adequate follow-up: Yes; Intention-to-treat analysis: No; Between-group comparisons: Yes; Point estimates and variability: Yes. Note: Eligibility criteria item does not contribute to total score] *This score has been confirmed* |
To assess the effects of environmental enrichment, 156 normal, full-term infants were randomly assigned to group I (30 min per day of supplementary vestibular stimulation), group II (30 min per day of supplementary vestibular-plus-verbal stimulation). or group III (untreated controls). Stimulation began at about the age of 12 days and continued until the children were adopted, approximately 6 weeks later. Children were assessed at regular intervals on the Gesell Developmental Schedules, until the age of 17 months. Group comparisons revealed no significant treatment effects.
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