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ERIC Number: EJ1060149
Record Type: Journal
Publication Date: 2015-May
Pages: 20
Abstractor: As Provided
ISSN: ISSN-0278-7393
No Solid Empirical Evidence for the SOLID (Serial Order Learning Impairment) Hypothesis of Dyslexia
Staels, Eva; Van den Broeck, Wim
Journal of Experimental Psychology: Learning, Memory, and Cognition, v41 n3 p650-669 May 2015
This article reports on 2 studies that attempted to replicate the findings of a study by Szmalec, Loncke, Page, and Duyck (2011) on Hebb repetition learning in dyslexic individuals, from which these authors concluded that dyslexics suffer from a deficit in long-term learning of serial order information. In 2 experiments, 1 on adolescents (N = 59) and 1 on children (N = 57), no empirical evidence was obtained for impaired Hebb learning in dyslexics, whether the same data-analytical procedure as Szmalec et al. was used or whether some methodological improvements were applied (e.g., using a more sensitive index of Hebb learning, and equating groups on filler performance with state trace analysis). In an additional state trace analysis, aggregating data over participants, it was shown that performance on the repeated Hebb sequences was almost perfectly predictable from performance on the nonrepeated sequences (fillers). The implications of these findings are outlined for the current discussion on the mechanisms for encoding immediate serial recall and long-term sequence learning and for computational models attempting to simulate these mechanisms.
American Psychological Association. Journals Department, 750 First Street NE, Washington, DC 20002. Tel: 800-374-2721; Tel: 202-336-5510; Fax: 202-336-5502; e-mail:; Web site:
Publication Type: Journal Articles; Reports - Research
Education Level: Higher Education; Postsecondary Education; Grade 5; Intermediate Grades; Middle Schools; Elementary Education; Grade 6
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A
Identifiers - Location: Netherlands
Identifiers - Assessments and Surveys: Wechsler Adult Intelligence Scale; Wechsler Intelligence Scale for Children
Grant or Contract Numbers: N/A