Practical’s for Enhancing Conceptual Understanding in Inquiry Skills

Abstract

This study attempted to determine the effectiveness of practicals in enhancing conceptual understanding about cellular respiration in relation to the functioning of six body systems and enhancing inquiry skills.

The study was quasi-experimental in research design and involved forty First Year 1-A and 1-D BEED students enrolled in Natural Science 102 during the Second Semester of AY, 2000-2001 at West Visayas State University in Iloilo City.

A pre-and post-instruction conceptions test, inquiry skills test, concept maps and interviews served as sources of data for the study. Ten case students from the experimental and control groups, respectively, were also selected for qualitative aspect of the study.

The intervention consisted of seven practicals that dealt with cellular respiration, the functioning of six body systems in relation to cellular respiration and the changes that occur during vigorous activity or emergency. Students also analyzed the practicals requiring the use of eight inquiry skills, namely, identifying the problem, formulating hypothesis, designing a procedure to test the hypothesis, interpreting data, recording data in a form that facilities correct interpretation, seeing patterns and relationships in a set of data, judging adequacy of data and inferring. They also answered questions in relation to the procedure in the practical to enhance their conceptual understanding.