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Motsch, Hans-Joachim; Marks, Dana-Kristin – Child Language Teaching and Therapy, 2015
Lexicon Pirate was originally developed as a strategy intervention programme to treat lexical disorders of pre-school children. To evaluate the therapy's effectiveness for school-age students, a randomized controlled trial (RCT, N = 157) was conducted. Based on a pre--post-test design, the programme's impacts were compared with a control group…
Descriptors: Intervention, Program Effectiveness, Pretests Posttests, Experimental Groups