The evidence-base used to establish a practice is not comprehensive. Once we located and reviewed the number of studies needed to establish a practice as strong within our Decision Rules, we did not review further articles. If you wish to develop a comprehensive review of a one of these practices, please contact Catherine Fowler (firstname.lastname@example.org) or David Test (email@example.com).
The quality coding form for single subject research considers the effectiveness of the intervention (e.g., functional relationship), while the quality coding form for group experimental research requires data to allow for calculating the strength of effects. Therefore, we had to calculate effect sizes for the group experimental studies included in our review. More information on effect sizes for the group experimental studies used to establish the evidence-based practices listed on NSTTAC's website is available here
NSTTAC is not conducting a comprehensive meta-analysis; however, we will work with researchers interested in conducting such a review. If you are interested, please contact Catherine Fowler (firstname.lastname@example.org) or David Test (email@example.com).
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