Reading Program Effectiveness
eligible design, but do not meet WWC evidence standards.
Two studies do not establish that the comparison group was
comparable to the treatment group prior to the start of the intervention.
Four studies have confounding factors, such as combining with
other interventions, which makes it impossible to attribute the
observed effect solely to Houghton Mifflin Reading©.
One study is out of the scope of the review because
it has an ineligible study design that does not meet WWC
evidence standards, such as having no comparison group.
Two studies are out of the scope of the review, as defined
by the Beginning Reading protocol, because they do not
disaggregate the findings for the age or grade range specified
in the protocol.
from a publicly-available source: the program’s website
(www.eduplace.com, downloaded July 2008). The WWC requests
developers to review the program description sections for accuracy
from their perspective. Further verification of the accuracy of the
descriptive information for this program is beyond the scope
of this review.
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