Instructors know that many college students tend to delay working on homework assignments until close to the due date. Such "cramming" behavior may lead to insufficient engagement with learning materials. In this study, we investigate the effectiveness of reducing "cramming" by offering small amounts of extra credit for completing parts of the assignments before the due date. Student learning behavior is characterized by first identifying clusters of clickstream records that represent a continuous study session, then analyzing the duration and starting time of each study session. We observed that after offering extra credit for early completion, the average duration of study sessions remains unchanged, but more study sessions took place earlier than the assignment due date, shortly before the extra credit due dates. We will discuss how extra credit impacts different student populations, as well as the quality of students learning behavior. As institutions across the nation shift abruptly to online learning at the onset of the COVID-19 epidemic, students are facing significant challenges to keep up with regular course schedules when studying from home, and due dates for online assignments must be more flexible as to accommodate for those challenges. This study suggests that the use of extra credit can be an effective method to incentivize completion of assignments among some students.

The impact of extra credit incentives on students’ work habits when completing online homework assignments

It is common among many college students to wait until the last minute to complete homework assignments, which leads to insufficient time for study. Can assigning extra credit for early completion of homework assignments alter students’ behavior? We study students’ work habits when completing mastery-based online learning modules for homework by analyzing clickstream data collected from the online learning platform over multiple semesters. In some semesters, students may earn extra credit by completing some of the assigned modules well before the due date in the form of “treasure trove” quizzes. These quizzes receive overwhelmingly positive feedback from students. We examine in what ways the "treasure troves" change student behavior by clustering learning events into sessions using a machine learning algorithm. We examine how duration, number, or event density of clusters differs when “treasure troves” are introduced. We also study their impact on exam scores.

Can extra credit effectively reduce cramming behavior for online homework?

Juried Talks II

technical paper

Join us in exploring emergent themes in PER as a scholarly endeavor and as a research community!  Since its inception, PER has served as a confluence of discipline, theory, research methodology, practice, and application.  How have these facets and the interplays among them been fruitful for physics education globally, regionally, locally, or otherwise?  And, how have our successes and interactions influenced the very nature of PER itself?
Following the lead of AAPT for the summer meeting, PERC 20/20 was virtual. Enjoy browsing the content.

PERC SM 20

Since its inception, PER has served as a confluence of discipline, theory, research methodology, practice, and application.  How have these facets and the interplays among them been fruitful for physics education globally, regionally, locally, or otherwise?  And, how have our successes and interactions influenced the very nature of PER itself?

PAR-B.04 PER: Curriculum and Instruction I

The 2020 AAPT Virtual Summer Meeting brought together physics educators from around the globe to learn about the latest in physics theory, research methodology and education from leaders in their field. The program featured plenary speakers, sessions, workshops and many special activities.

For more information please visit the 2020 AAPT Virtual Summer Meeting page at: https://www.aapt.org/Conferences/SM2020/index.cfm.


AAPT SM 20

The 2020 AAPT Virtual Summer Meeting brought together physics educators from around the globe to learn about the latest in physics theory, research methodology and education from leaders in their field. 

Zachary Felker

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The impact of extra credit incentives on students’ work habits when completing online homework assignments

Can extra credit effectively reduce cramming behavior for online homework?

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