What aspect of a behavioral objective must identify the expected learner performance?

The aspect of a behavioral objective that must identify the expected learner performance is centered on observable behavior or performance expected from the learner. This component is crucial because it provides a clear and measurable indication of what the learner should be able to demonstrate as a result of instruction. By specifying observable behaviors, it helps educators to assess whether the learner has achieved the objectives set forth in the educational plan.

Observable behavior ensures that the assessment of performance is objective and can be evaluated under consistent criteria. For example, if a learner is expected to "write a paragraph" or "solve a math problem," these actions can be directly observed and assessed. This focus on observable behavior also aids in clear communication of expectations between educators and learners, which is essential for effective teaching and learning.

In contrast, aspects like conditions under which the behavior will occur, the audience for the educational activity, and the degree of success required are important but secondary to pinpointing the actual behavior expected of the learner. Without a clear and specific description of the behavior, it becomes difficult to measure success or guide instruction effectively.