“…Education and income are key determinants of knowledge about consumer credit and credit cards (Bowers, 1979;Brandt, Day, & Deutscher, 1975;Durkin, 1975;Hill, 1963;Kinsey & McAlister, 1981;Mandell, 1971Mandell, , 1972Parker & Shay, 1974;Smythe, 1970 (Crawl, 1981;Hull, 1978;Samuels, 1976). However, Bowers (1979) found that there were significant negative coefficients for eight of the knowledge scores in relation to both average monthly balance and the average number of months in which credit limits were exceeded.…”