Development of Guided Inquiry-Based Microbiology Modules Based on the Identification of Contaminant Molds in Tomato Fruit to Improve Students' Science Process Skills

Authors

  • Naufal Wima Al Fahri University of Malang
  • Utami Sri Hastuti University of Malang
  • Safwatun Nida University of Malang

DOI:

https://doi.org/10.19184/bioedu.v23i3.53706

Keywords:

ADDIE, Contaminant mold, Microbiology, Module development, Science Process Skills, Tomato

Abstract

Students often experience difficulties in identifying microbiological
specimens due to limitations in preparing and interpreting
microscopic slides. This problem is evident in the context of tomato
fruits (Solanum lycopersicum), which are widely consumed
agricultural commodities but are highly perishable and susceptible to
microbial contamination, especially by molds. To address this
challenge, this study aims to develop a guided inquiry-based
microbiology learning module using tomato mold identification as a
case study, with the goal of improving students’ Science Process
Skills (SPS). The research was conducted in two stages: (1)
laboratory experiments to identify contaminant molds in tomatoes
and (2) development of a learning module using the ADDIE model
(Analyze, Design, Develop, Implement, Evaluate). The sample
consisted of 62 microbiology students from the Biology Education
Program, Faculty of Mathematics and Natural Sciences, State
University of Malang. A non-randomized control-group pretest
posttest design was employed, the increase in posttest results
compared to the pretest was calculated using the N-gain score.
Results showed that students’ SPS was still relatively low,
particularly in the observing indicators (30.43%) and hypothesizing
indicators (43.48%). The developed module integrates real laboratory
findings into structured inquiry-based activities, emphasizing hands
on practice, critical thinking, and contextual relevance to agricultural
microbiology. Its distinctive features include the use of authentic
microbial identification data, scaffolding through guided inquiry
steps, and alignment with SPS indicators. This module is expected to
provide an effective solution for enhancing students’ SPS in
microbiology learning

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Published

2026-01-22

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