“…Among the SES indices considered, were parent occupation, parent education, and community SES. Of the 13 studies considered, nine show positive relationships between parental SES and science learning: students of higher socio-economic status homes scored higher on achievement measures of logical operations , science attitudes and interests (Neujahr & Hanson 1970;Hason, 1975;James & Pafford, 1973: Keeves, 1975, general cognitive learning in science (Hardy, 1970;Keeves, 1975;Klein, 1971;Troost, 1969), critical thinking (Hardy, 1970), and factual learning (Lynch et al, 1979). Studies showing no significant relationship between SES and science achievement are those considering process learning (Quinn & George, 1975), factual learning (Ashbaugh, 1968), and science attitudes and interests (Wynn & Bledsoe, 1967).…”