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This study eliminated active learning blind spots using a web platform, significantly boosting student engagement and performance while drastically reducing attrition. The innovative approach improved learning outcomes for all students, particularly women undergraduates.

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Area of Science:

  • STEM Education
  • Educational Technology

Background:

  • Active learning strategies can suffer from systemic "blind spots," hindering both instructor insight into student understanding and student self-assessment of learning.
  • Traditional lecture formats often fail to address individual conceptual misunderstandings effectively.

Purpose of the Study:

  • To test a strategy for eliminating "blind spots" in active learning by utilizing a web-based platform for open-ended conceptual problem-solving.
  • To measure the impact of this strategy on student attrition, engagement, and academic performance.

Main Methods:

  • Students engaged with conceptual problems via a web platform over four years, allowing for identification and targeted resolution of over 200 distinct conceptual errors.
  • Data on student attrition, engagement levels, and exam performance were collected and compared to a control group using traditional lecture formats.

Main Results:

  • Student attrition decreased fourfold (from 48.3% to 11.4%), with a particularly significant reduction for women undergraduates (from 73.1% to 7.4%).
  • Median exam scores rose substantially (from 53% to 72-80%), with the bottom-performing students achieving scores comparable to the previously top-performing half.
  • Student engagement metrics showed dramatic increases compared to the lecture-based format.

Conclusions:

  • Eliminating "blind spots" in active learning through web-based conceptual problem-solving is a highly effective pedagogical strategy.
  • This approach significantly enhances student learning outcomes, reduces attrition, and promotes greater equity, especially for underrepresented groups in STEM.
  • The observed improvements were directly attributable to the "zero blind spots" intervention, as gains were not replicated in a control year using similar content without the intervention.