“…Research of early interest in science (Brandwein, 1951;Roe, 1952;Walberg, 1991;Zim, 1941), perception of science courses (Baker, 1990;Chambers, 1983;Ormerod, 1975;Walberg, 1967), and gender-role stereotyping (Eccles, 1985;Eccles, Adler, & Kaczala, 1982;Reis & Callahan, 1989;Sadker & Sadker, 1985) have all been cited as influential factors of gender differences in science.…”