Data Collection
This study began with a comprehensive
search of all pertinent databases. Educational
Resources Information Center (ERIC) via
EBSCO Host aided the main search of articles,
with additional information from Wilson Web,
Digital Dissertation, and Google Scholar.
Ninety-eight studies investigating the effects
of the integrative approaches among STEM
subjects were identified in the initial search. A
second screening was performed by scrutinizing
the abstracts and texts of the journal articles
and dissertations; however, many either did
not provide empirical data to calculate the
effect sizes or did not examine the effects
of the integrative approaches on students’
achievement. Therefore, finally, twenty-eight
studies were selected to examine the effects
of the integrative approaches among STEM
subjects.