sentences:  This in turn leads to a perception of success, of gaining positive attributes which will continue a circular learning pattern of success and interest.Krapp, Hidi and Renninger (1992) state that, "situational interest, triggered by environmental factors, may evoke or contribute to the development of long-lasting individual interests" (p. 18).Because CBI is student centered, one of its goals is to keep students interested and motivation high by generating stimulating content instruction and materials.