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Title: :  Science Primary Skills as an Instructional Intervention for Improving Learning Outcomes in Mendelian Genetics: A Quasi-Experimental Study
PaperId: :  27834
Published in:   International Journal Of Advance Research And Innovative Ideas In Education
Publisher:   IJARIIE
e-ISSN:   2395-4396
Volume/Issue:    Volume 11 Issue 6 2025
DUI:    16.0415/IJARIIE-27834
Licence: :   IJARIIE is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.

Author NameAuthor Institute
MARJHUVYN B. LAPIRAS, PHDTHAI SINGAPORE INTERNATIONAL SCHOOL
ROBERT LEE DEMANDANTETHAI SINGAPORE INTERNATIONAL SCHOOL
FRANZ VICI YUANPRUADTHAI SINGAPORE INSTERNATIONAL SCHOOL
LEXIE JOY HAPLASCATHAI SINGAPORE INTERNATIONAL SCHOOL
VINEZA SOLIDANIOTHAI SINGAPORE INTERNATIONAL SCHOOL
DIANE JOYCE GALANDETHAI SINGAPORE INTERNATIONAL SCHOOL

Abstract

Science Education
Science Primary Skills, Mendelian Genetics, Quasi-Experimental Study, Senior High School Biology, Learning Outcomes
This quasi-experimental study looked into how effective it is to implement Science Primary Skills (SPS) into teaching Mendelian genetics to Senior High School students in private schools in Davao City. A total of eighty students were split into two groups: one received traditional instruction, while the other experienced SPS-based teaching. To gauge their understanding and learning progress, pretests and posttests were conducted, focusing on key genetics topics like monohybrid crosses, dihybrid crosses, probability, and pedigree analysis. The results indicated that both groups made improvements, but the experimental group stood out with significantly higher posttest scores. The statistical analysis showed notable differences both between and within the groups, with the SPS approach demonstrating a very large effect size (d = 2.71). These findings confirm that SPS-based instruction enhances students' grasp of complex biological concepts. The study suggests that biology classrooms should incorporate more SPS methods, provide better training for teachers, and continue exploring its use in other subjects.

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IJARIIE MARJHUVYN B. LAPIRAS, PHD, ROBERT LEE DEMANDANTE, FRANZ VICI YUANPRUAD, LEXIE JOY HAPLASCA, VINEZA SOLIDANIO, and DIANE JOYCE GALANDE. "Science Primary Skills as an Instructional Intervention for Improving Learning Outcomes in Mendelian Genetics: A Quasi-Experimental Study" International Journal Of Advance Research And Innovative Ideas In Education Volume 11 Issue 6 2025 Page 1473-1481
MLA MARJHUVYN B. LAPIRAS, PHD, ROBERT LEE DEMANDANTE, FRANZ VICI YUANPRUAD, LEXIE JOY HAPLASCA, VINEZA SOLIDANIO, and DIANE JOYCE GALANDE. "Science Primary Skills as an Instructional Intervention for Improving Learning Outcomes in Mendelian Genetics: A Quasi-Experimental Study." International Journal Of Advance Research And Innovative Ideas In Education 11.6(2025) : 1473-1481.
APA MARJHUVYN B. LAPIRAS, PHD, ROBERT LEE DEMANDANTE, FRANZ VICI YUANPRUAD, LEXIE JOY HAPLASCA, VINEZA SOLIDANIO, & DIANE JOYCE GALANDE. (2025). Science Primary Skills as an Instructional Intervention for Improving Learning Outcomes in Mendelian Genetics: A Quasi-Experimental Study. International Journal Of Advance Research And Innovative Ideas In Education, 11(6), 1473-1481.
Chicago MARJHUVYN B. LAPIRAS, PHD, ROBERT LEE DEMANDANTE, FRANZ VICI YUANPRUAD, LEXIE JOY HAPLASCA, VINEZA SOLIDANIO, and DIANE JOYCE GALANDE. "Science Primary Skills as an Instructional Intervention for Improving Learning Outcomes in Mendelian Genetics: A Quasi-Experimental Study." International Journal Of Advance Research And Innovative Ideas In Education 11, no. 6 (2025) : 1473-1481.
Oxford MARJHUVYN B. LAPIRAS, PHD, ROBERT LEE DEMANDANTE, FRANZ VICI YUANPRUAD, LEXIE JOY HAPLASCA, VINEZA SOLIDANIO, and DIANE JOYCE GALANDE. 'Science Primary Skills as an Instructional Intervention for Improving Learning Outcomes in Mendelian Genetics: A Quasi-Experimental Study', International Journal Of Advance Research And Innovative Ideas In Education, vol. 11, no. 6, 2025, p. 1473-1481. Available from IJARIIE, http://ijariie.com/AdminUploadPdf/Science_Primary_Skills_as_an_Instructional_Intervention_for_Improving_Learning_Outcomes_in_Mendelian_Genetics__A_Quasi_Experimental_Study_ijariie27834.pdf (Accessed : ).
Harvard MARJHUVYN B. LAPIRAS, PHD, ROBERT LEE DEMANDANTE, FRANZ VICI YUANPRUAD, LEXIE JOY HAPLASCA, VINEZA SOLIDANIO, and DIANE JOYCE GALANDE. (2025) 'Science Primary Skills as an Instructional Intervention for Improving Learning Outcomes in Mendelian Genetics: A Quasi-Experimental Study', International Journal Of Advance Research And Innovative Ideas In Education, 11(6), pp. 1473-1481IJARIIE [Online]. Available at: http://ijariie.com/AdminUploadPdf/Science_Primary_Skills_as_an_Instructional_Intervention_for_Improving_Learning_Outcomes_in_Mendelian_Genetics__A_Quasi_Experimental_Study_ijariie27834.pdf (Accessed : )
IEEE MARJHUVYN B. LAPIRAS, PHD, ROBERT LEE DEMANDANTE, FRANZ VICI YUANPRUAD, LEXIE JOY HAPLASCA, VINEZA SOLIDANIO, and DIANE JOYCE GALANDE, "Science Primary Skills as an Instructional Intervention for Improving Learning Outcomes in Mendelian Genetics: A Quasi-Experimental Study," International Journal Of Advance Research And Innovative Ideas In Education, vol. 11, no. 6, pp. 1473-1481, Nov-Dec 2025. [Online]. Available: http://ijariie.com/AdminUploadPdf/Science_Primary_Skills_as_an_Instructional_Intervention_for_Improving_Learning_Outcomes_in_Mendelian_Genetics__A_Quasi_Experimental_Study_ijariie27834.pdf [Accessed : ].
Turabian MARJHUVYN B. LAPIRAS, PHD, ROBERT LEE DEMANDANTE, FRANZ VICI YUANPRUAD, LEXIE JOY HAPLASCA, VINEZA SOLIDANIO, and DIANE JOYCE GALANDE. "Science Primary Skills as an Instructional Intervention for Improving Learning Outcomes in Mendelian Genetics: A Quasi-Experimental Study." International Journal Of Advance Research And Innovative Ideas In Education [Online]. volume 11 number 6 ().
Vancouver MARJHUVYN B. LAPIRAS, PHD, ROBERT LEE DEMANDANTE, FRANZ VICI YUANPRUAD, LEXIE JOY HAPLASCA, VINEZA SOLIDANIO, and DIANE JOYCE GALANDE. Science Primary Skills as an Instructional Intervention for Improving Learning Outcomes in Mendelian Genetics: A Quasi-Experimental Study. International Journal Of Advance Research And Innovative Ideas In Education [Internet]. 2025 [Cited : ]; 11(6) : 1473-1481. Available from: http://ijariie.com/AdminUploadPdf/Science_Primary_Skills_as_an_Instructional_Intervention_for_Improving_Learning_Outcomes_in_Mendelian_Genetics__A_Quasi_Experimental_Study_ijariie27834.pdf
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