... Advisor: Le Thi Bich Vy, M.A Researcher: Le Thanh Binh 5 their own ideas to improve on the teaching methods. Supporting this view, Cathy Dantec & Judy Jowers (20 07, p.2) say that ... (1916), Freire (1 970 ), Illich (1 971 ), and Rogers (1969); In work on adult self-directed learning by writers such as Brookfield (1986), Candy (1991), Knowles (1 975 ), and Tough (1 971 ). Learner ... the course? 8.5% 6 .7% 32.3% 47. 56% 10. 97% 0% 10% 20% 30% 40% 50% a: Not at all b: Very little c: Little d: Much e: Very much N = 321 Advisor: Le Thi Bich Vy, M.A...