DEVELOPMENT OF CREATIVE THINKING AND INNOVATIONS SKILLS THROUGH THE FORMALIZED ENGINEERING DESIGN PROCESS USING THE EDCI MODEL

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Published: Aug 28, 2026
Keywords:
Engineering Design Process EDCI Model Creative Thinking and Innovation Skills Learning Achievement Design and Technology

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RATREERUT JAIWONG
-
Wilawan Phothong

Abstract

This study aimed to: (1) develop and evaluate the efficiency of an engineering design process-based learning model integrated with the EDCI model; (2) compare the learning achievement of Grade 10 students in the Design and Technology 1 course before and after the learning intervention; (3) assess the students' creative thinking and innovation skills after the learning intervention; and (4) examine the students' creative self-efficacy after participating in the engineering design process-based learning integrated with the EDCI model. The sample consisted of 36 Grade 10 students from one classroom at Satriwitthaya 2 School under the Royal Patronage of Her Royal Highness Princess Srinagarindra, enrolled in the second semester of the 2025 academic year. The participants were selected using cluster random sampling, with the classroom serving as the sampling unit. This study employed a one-group pretest–posttest experimental design. The research instruments included: 1) EDCI learning management plans, 2) a learning achievement test, 3) a creative thinking and innovation skills assessment, and (4) a creative self-efficacy questionnaire. The data were analysed using the mean, standard deviation, and the dependent-samples t-test.
The results of the study revealed that:
The EDCI learning management model achieved an efficiency of 96.08/94.05, 
exceeding the predetermined criterion of 80/80.
The students' post-test learning achievement was significantly higher than their 
pre-test achievement at the .05 level. The mean pre-test score was 10.58 (S.D. = 2.62), while the mean post-test score was 18.81 (S.D .= 1.77).
After participating in the engineering design process-based learning, the students 
demonstrated a very high level of creative thinking and innovation skills (x ̅= 4.68, S.D. = 0.47).
After the learning intervention, the students' confidence in their creativity was at 
a high level (x ̅= 4.58, S.D. = 0.35).

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How to Cite
JAIWONG, R., & Phothong, W. (2026). DEVELOPMENT OF CREATIVE THINKING AND INNOVATIONS SKILLS THROUGH THE FORMALIZED ENGINEERING DESIGN PROCESS USING THE EDCI MODEL. Nakhon Lampang Buddhist College’s Journal, 15(2), 1–15. retrieved from https://so04.tci-thaijo.org/index.php/NBJ/article/view/288799
Issue
Vol. 15 No. 2 (2026): (พฤษภาคม - สิงหาคม)2569
Section
Research Article
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This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

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