Volume 12, Issue 5 (May 2025), Pages: 18-26

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 Original Research Paper

Development of an instructional model for the investigation and inquiry course using problem-based learning

 Author(s): 

 Amornthep Muangsean *

 Affiliation(s):

 Faculty of Law, Mahasarakham University, Kham Riang, Thailand

 Full text

    Full Text - PDF

 * Corresponding Author. 

   Corresponding author's ORCID profile:  https://orcid.org/0000-0002-4969-1338

 Digital Object Identifier (DOI)

  https://doi.org/10.21833/ijaas.2025.05.003

 Abstract

The aim of this study was to develop a problem-based learning (PBL) management model for law students enrolled in the Criminal Investigation course at Mahasarakham University during the second semester of the 2022 academic year. The sample group included one classroom of 30 students, selected through purposive sampling. The PBL approach was implemented over a total of 12 hours. The research tools consisted of a problem-based learning plan focused on special criminal case investigations, an achievement test, a satisfaction questionnaire on PBL, fieldwork logs, and student interviews. The study followed a one-group pretest-posttest experimental design. Data were analyzed using mean scores, standard deviations, t-tests for dependent samples, and developmental score calculations. The findings indicated that the effective learning management model included five main steps: (1) identifying the problem, (2) understanding the problem, (3) researching and exploring, (4) analyzing and synthesizing the problem, and (5) concluding and presenting the solution. The results showed that students who participated in the PBL approach demonstrated a statistically significant improvement in their academic achievement at the 0.01 level. The average developmental score was 58.40, which is considered high. Student academic performance was rated as 'good,' and their satisfaction with the learning process was also at a high level (x̅ = 4.32). Additionally, students reported feeling more engaged, motivated, and confident in expressing their ideas.

 © 2025 The Authors. Published by IASE.

 This is an open access article under the CC BY-NC-ND license ( http://creativecommons.org/licenses/by-nc-nd/4.0/).

 Keywords

 Problem-based learning, Learning management model, Criminal investigation, Academic achievement, Student satisfaction

 Article history

 Received 23 December 2024, Received in revised form 24 April 2025, Accepted 28 April 2025

 Acknowledgment

This research project was financially supported by the Faculty of Law, Mahasarakham University, Thailand, and grant number 002/2565.

  Compliance with ethical standards

  Ethical considerations

This study followed the ethical standards of Mahasarakham University. All participants provided informed consent, and their confidentiality and anonymity were preserved throughout the research.

  Conflict of interest: The author(s) declared no potential conflicts of interest with respect to the research, authorship, and/or publication of this article.

 Citation:

 Muangsean A (2025). Development of an instructional model for the investigation and inquiry course using problem-based learning. International Journal of Advanced and Applied Sciences, 12(5): 18-26

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 Figures

  Fig. 1

 Tables

  Table 1  Table 2  Table 3  Table 4  Table 5  Table 6  Table 7

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