Issues to consider in the evaluation of speech and language therapy for preschool children
This paper reviews some of the methodological issues involved in the design of a randomized controlled trial currently underway in Bristol. The trial compares the progress of preschool children randomly allocated to a ‘watching‐waiting’ control group with the experimental group who have immediate ac...
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Veröffentlicht in: | Child : care, health & development health & development, 1999-03, Vol.25 (2), p.141-155 |
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Format: | Artikel |
Sprache: | eng |
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