Simple changes to homework improved student learning

Simple changes to homework improved student learning

A new educational study offers evidence that simple and inexpensive changes to existing courses can help students learn more effectively. The study found that making a few changes to homework assignments significantly boosted student learning in an undergraduate engineering course.

via Living Well News — ScienceDaily:

A new study offers evidence that simple and inexpensive changes to existing courses can help students learn more effectively.The study from Rice University and Duke University found that making a few changes to homework assignments in an upper-level undergraduate engineering course at Rice led to improved scores on exams. The study appears this week in the journal Educational Psychology Review.The findings by a team from Rice’s Center for Digital Learning and Scholarship and Duke’s Department of Psychology and Neuroscience demonstrate how technology and cognitive science can be combined to develop inexpensive but effective educational changes that required no changes to course curriculum.”Based on laboratory studies, we know a lot about how people learn,” said lead author Andrew Butler, a postdoctoral researcher at Duke. “To test how well some of those cognitive science principles worked in a classroom, we made subtle changes to standard homework practice.””The results exceeded everyone’s expectations,” said Rice co-author Richard Baraniuk, the instructor of the upper-level “signals and systems” engineering course where the experiment took place. “These simple changes produced a larger effect than the average improvement for classroom interventions that require a complete overhaul of curricula and/or teaching methods.”In the study, students switched back and forth from week to week between two different styles of homework. One style, which followed the standard practice that Baraniuk has used for years, consisted of one homework assignment per week, which was graded and returned the following week. The second style, which was called the “intervention,” incorporated three principles from cognitive science that have been shown to promote learning and increase long-term retention.The principles were implemented in the following way:Repeated retrieval practice — In addition to receiving the standard homework assignment, students were given follow-up problems on the same topic in two additional assignments that counted only toward their course participation grade. Spacing — Rather than giving all the problem sets for a week’s lectures in one assignment, the researchers spaced the problems over three weeks of assignments. Feedback — Rather than waiting one week to learn how they did, students received immediate feedback on intervention homework, and they were required to view the feedback to get credit for the assignment. “Giving students multiple opportunities to practice retrieving and applying their knowledge on new problems is a very powerful way to promote learning, especially when this practice is spaced out over time,” said study co-author Elizabeth Marsh, associate professor of psychology and neuroscience at Duke. “Feedback also is critical to learning, and previous studies have shown that students will often skip looking at feedback.”To alleviate any concerns that individual differences in ability might skew the study results, the researchers split the class into two groups and assigned each group standard homework and intervention homework during alternating weeks; in any given week, half of the students were assigned to the intervention and half to the standard practice homework.The course covered 11 broad topics and approximately five core concepts per topic. …

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Living Well News — ScienceDaily

Simple changes to homework improved student learning

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