Attitudes do a good job predicting behavior when: There is discord among the affective and cognitive components of the attitude. Attitudes and behavior are measured at the same levels of specificity. Introspecting about an attitude that is hard to pin down. Attitudes are measured with likert scales.

- Attitudes and behavior are measured at the same levels of specificity.

Explanation:

Attitude is described 'disposition or state of mind that comprises of a set of emotions, beliefs, and behavioral tendencies.' It proposes knowledge and meaning for life and assists in predicting the potential events and offers a feeling of control through which would assist in organizing and shaping our experience.

As per the question, attitudes prove quite helpful in predicting the behavior when 'attitudes and behavior are measured at the same levels of specificity.'  For example: if one is religious, it is implied that he/she may go to a temple or church(specific attitude(religious) leads to a specific behavior(going to church or temple)). This gives the conclusion that the similarity between the specific attitude and specific behavior promotes a more considerable prediction.