Studied self-efficacy perceptions of 202 Korean female high school students at 3 levels of specificity in English and mathematics. Problem-specific, task-specific, and subject-specific self-efficacy beliefs all formed separate factors in both subject areas, but the three self-efficacy factors were too highly correlated to contribute independently to outcome prediction, and predictive relations between self-efficacy and achievement were not much affected by temporal contiguity. (SLD)