;
Lorem Ipsum Dolor Spring 2016
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using the same descriptors as the electronic search. The first
author reviewed six important special education journals (i.e.,
Journal of Special Education, Remedial and Special Education,
Exceptional Children, Journal of Visual Impairment & Blindness,
Intervention in School & Clinic, and Exceptionality) and checked if
there were any missing studies unidentified in the electronic search.
In this study, we employed a set of very rigorous inclusionary
criteria to evaluate the evidences of intervention effectiveness. To
be included in the review, the article must have (a) focused on
intervention methods, (b) focused on mathematics, (c) included
participants with VI; (d) use an experimental, quasi-experimental, or
single-subject design, and (e) published in peer-reviewed journals
in English. Conference presentations, papers published in
conference proceedings, or papers published in non-peer reviewed
journals were excluded in this synthesis. Qualitative case studies,
students or parents' self- reports, teachers' anecdotal reports or
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