Share Give pretests to students at the beginning of each unit to increase their learning in the course. with FacebookShare Give pretests to students at the beginning of each unit to increase their learning in the course. with Twitter Research shows that taking a pretest improves students’ performance on future tests on the same material. To learn more, watch Mark Guzdial’s CS Education Zoo interview. More about this tip Tags Student-Focused Assessment External Source CS Education Zoo Interview with Mark Guzdial. Other Tips By Other Tips By Mark Guzdial