Option D β psychomotor domain The psychomotor domain focuses on skillful bodily movement and coordination, often requiring practice and demonstration. Performing a laboratory experiment involves handling apparatus, following procedural steps and controlling fine motor actions. These tasks depend heavily on motor skills in addition to conceptual understanding. Therefore, the objective in the stem belongs mainly to the psychomotor domain.
Option A:
Cognitive domain covers mental skills involving knowledge, comprehension and reasoning. While understanding the theory behind an experiment is cognitive, the act of physically carrying it out is primarily psychomotor. Thus, cognitive domain alone does not best describe the performance objective.
Option B:
Affective domain deals with attitudes, interests and values, such as developing appreciation for scientific inquiry. Although a positive attitude may encourage careful lab work, the core demand of the objective is accurate performance, which is skill-based rather than emotional. Hence, affective is not the correct domain here.
Option C:
Social domain, when emphasized, relates to how learners interact with others and function in groups. Group work may occur in laboratories, but the stated objective is to perform the experiment accurately, not to cooperate with peers. Consequently, the social domain does not capture the main focus of the objective.
Option D:
Psychomotor domain includes objectives like assembling equipment, manipulating instruments and executing procedures precisely, all of which are central to laboratory performance. Because the stem stresses accurate performance of an experiment, this option correctly identifies the relevant learning domain.
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