Because the transition to a knowledge-based economy requires an educated workforce, colleges and universities have made retention of students--particularly those who are academically underprepared--an institutional priority. College completion leads to economic and social advancement for students and is also critical to the nation's economic and…

Despite their flaws as teaching and learning environments, large lectures remain a standard teaching approach because of their relatively low cost, ease of preparation, and long tradition in education. Research shows that active inquiry yields positive results in learning outcomes, and one way to make the large lecture class more active and…