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Designing Biochemical Visual Literacy Assessments: Insights from Classroom Testing and Student Interviews.

Kristen Procko1, Josh T Beckham2, Roderico Acevedo3

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PubMed
Summary
This summary is machine-generated.

Biochemistry students struggle with interpreting molecular images due to a lack of explicit instruction in biomolecular visual literacy. Improving assessment design by considering student perspectives and image complexity enhances learning evaluation.

Keywords:
Amino acidsBiochemistryCarbohydratesChemical Education ResearchMolecular ModelingMolecular RecognitionNucleic Acids/DNA/RNAProblem Solving/Decision MakingProteins/PeptidesTesting/AssessmentUpper-Division Undergraduate

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Area of Science:

  • Biochemistry Education
  • Molecular Visualization
  • Assessment Design

Background:

  • Biomolecular visual literacy is crucial for biochemistry students but often not explicitly taught.
  • Assessing this skill presents challenges for instructors.
  • Traditional assessment methods have limitations in evaluating visual literacy.

Purpose of the Study:

  • To investigate student approaches to solving molecular visualization problems.
  • To identify challenges students face when interpreting molecular images.
  • To inform the design of more effective biochemistry assessments.

Main Methods:

  • Classical test theory analysis of assessment items.
  • Iterative validation process including expert review.
  • Semistructured student interviews to explore problem-solving strategies.
  • Qualitative analysis of interview transcripts.

Main Results:

  • Validated assessment items performed well in classroom testing.
  • Students commonly rely on image color, familiar terminology, and process-of-elimination.
  • Image complexity emerged as a significant challenge for students.
  • Student interviews provided insights into problem-solving approaches.

Conclusions:

  • Assessment design should consider student perspectives and cognitive strategies.
  • Instructors should carefully manage image complexity, color use, terminology, and distractors.
  • Integrating student insights can lead to more effective evaluation of biomolecular visual literacy.