“…Some have found near zero relationships (Aleamoni and Thomas, 1977;Bendig, 1953a;Blum, 1936;Cohen and Humphreys, 1960;Doyle and Whitely, 1974;Eckert, 1950;Elliott, 1950;Garverick and Carter, 1962;Greenwood et al, 1976;Guthrie, 1949Guthrie, , 1954Heilman and Armentrout, 1936;Hudelson, 1951;Remmers, 1928Remmers, , 1930Remmers, , 1939Remmers, , 1960Russell, 1951;Spencer and Levitz, 1966;Treffinger and Feldhusen, 1970;Voeks and French, 1960;Walker, 1969). In contrast to these studies other investigators have found significant positive relationships (Aleamoni and Spencer, 1973;Aleamoni and Thomas, 1977;Anikeef, 1953;Barnoski and Sockloff, 1976;Bausell and Magoon, 1972;Caffrey, 1969;Centra and Linn, 1976;Echandia, 1964;Garverick and Carter, 1962;Hillery and Yuk, 1974;Holmes, 1971;Hudelson, 1951;Kennedy, 1975;Kooker, 1968;Rayder, 1968;Rosenshine et al, 1973;Rubenstein and Mitchell, 1970;Russell and Bendig, 1953;Schuh and Crivelli, 1973...…”