“…Subsequent studies have been presented which support the findings from Coleman, et al (Duff & Adams, 1981;Henderson, 1987;1988). Even so, other studies have reported either mixed or no significant differences between experimental and control groups when measuring the effect of parental involvement on student achievement (Griffith, 1996;Heller, & Fantuzzo, 1993;Henry, 1974;Keith, Reimers, Ferman, Pottenbaum, & Aubrey ,1986;Ryan, 1964;Searles, Lewis & Morrow, 1982). Some of the discrepancy across studies relates to the nature of the data collection and research design.…”