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Development of the BioCalculus Assessment (BCA).

Robin T Taylor1, Pamela R Bishop2, Suzanne Lenhart3

  • 1RTRES Consulting, Knoxville, TN 37934.

CBE Life Sciences Education
|February 15, 2020
PubMed
Summary

The BioCalculus Assessment (BCA) effectively measures calculus understanding in life science students. This tool helps compare learning outcomes between traditional calculus and biocalculus courses.

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Area of Science:

  • Mathematics Education
  • Life Sciences Education

Background:

  • Undergraduate life science students benefit from calculus instruction tailored to biological applications.
  • Assessing calculus comprehension in this population requires specialized instruments.

Purpose of the Study:

  • To develop and validate the BioCalculus Assessment (BCA), a 20-item instrument.
  • To compare calculus understanding in life science students across different course structures.

Main Methods:

  • Instrument development involved input from scientists, educators, and students.
  • Rasch modeling was employed to analyze the internal structure of BCA scores.
  • Data were collected from Calculus 1, Calculus 2, and Biocalculus students.

Main Results:

  • The BioCalculus Assessment (BCA) demonstrated reasonable validity properties.
  • The instrument can differentiate between students receiving calculus instruction with and without biological applications.
  • Analysis revealed insights into the internal structure of student understanding.

Conclusions:

  • The BCA serves as a valuable diagnostic tool for assessing calculus comprehension in undergraduate biology majors.
  • It aids in evaluating the effectiveness of instructional methods emphasizing life science examples.