Final answer:
According to control theory, Adan will gauge whether or not he has met his standard of being productive at work by considering whether he felt he had control over his tasks.
Step-by-step explanation:
According to control theory, Adan will gauge whether or not he has met his standard of being productive at work by considering whether he felt he had control over his tasks. If he did not feel in control, he would not feel bad about missing some tasks. This is because control theory suggests that perceived control over our lives affects our stress levels and overall well-being. Adan may also rely on other strategies, such as looking at a checklist of completed tasks, to determine his productivity level.