Evaluation of Dual-Powered Dehydration Device for Food Preservation in Baler Aurora Philippines
DOI:
https://doi.org/10.5281/zenodo.18934136Keywords:
dual-powered, dehydration device, hybrid solar-electric dryer, food dehydration, drying kinetics, specific energy consumptionAbstract
This study evaluated the effectiveness of an improvised dual-powered eco-friendly dehydration device using a diverse group of evaluators, including students, faculty, TESDA experts, and industry experts/farmers. The device was assessed across six quality indicators: design and aesthetics, materials, portability, functionality, safety, and usability.
The overall assessment yielded an average mean of 3.78, interpreted as "Very Effective." Individual categories also received high ratings, with usability scoring the highest at 3.87 ("Very Usable") and materials receiving the lowest at 3.74 ("Very Good").
A one-way ANOVA revealed a significant difference in the assessments of materials (F=4.390, p=0.006) and safety (F=3.882, p=0.011) among the evaluator groups (alpha=0.05). The TESDA experts provided the lowest mean scores for both categories, suggesting that the evaluators' professional backgrounds influenced the technical assessment of these specific indicators. Recommendations were proposed to enhance the device's overall effectiveness and efficiency.
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