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Development, Validation, and Effectiveness of Contextualized Learning Activity Sheets in Earth Science

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Jeanylyn Sierra Antonio and Edna Marie L. Mijares, 2023. Development, Validation, and Effectiveness of Contextualized Learning Activity Sheets in Earth Science. United International Journal for Research & Technology (UIJRT), 4(7), pp90-102.

Abstract

This study aimed to develop and validate, the effectiveness of the contextualized learning activity sheets in Earth Science for Grade 11 HUMSS in Bulusan High School, for the school year, 2022-2023. It used the developmental method of research. The respondents were the thirty (30) Grade 11 HUMMS students in Bulusan High School, and five (5) experts teaching Science, randomly and purposively chosen respectively. The statistical tools utilized were the weighted mean and t-test for dependent samples.

The study revealed that the developed CLAS was successful in teaching Science concepts as supplementary instructional materials. Experts agreed that the instructional content used in the home and classroom learning environment is suitable and commendable. Also, the developed CLAS followed the standards set by the DepEd LRMDS. Similarly, the developed Contextualized Learning Activity Sheets in Earth Science resulted in significant differences in the performance of the students as shown in the pretest and posttest results in terms of lessons in Geologic processes and hazards, Hydrometeorological phenomena and hazards, Marine and coastal processes and their effects.

It was recommended that the CLAS in Earth Science can be used to improve retention and mastery of the lesson of grade 11 HUMMS. The developed learning activity sheets for active, student-centered learning performance increase the quality of the period within the class and may be used by the teachers in improving students’ academic performance specifically teachers of Bulusan Cluster.

It was also recommended that appropriate learning materials, like learning activity sheets and modules, be utilized to deliver the lessons. Learning and activities can be learner-independent by providing copies of the learning materials.

Future research on the creation of another instrument or collection of worksheets is encouraged to reinforce teaching various fields of science across different disciplines at different grade levels.

Keywords: development, validation, effectiveness, learning activity sheets, contextualized.

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