Metacognition refers to higher order thinking which involves active control over the processes engaged in learning. Activities such as planning how to approach a given learning task, monitoring comprehension, and evaluating progress toward the completion of a task are metacognitive in nature. Metacognition plays a critical role in successful learning. Metacognition enables us to be successful learners, and has been associated with intelligence. "Metacognition" is often simply defined as "thinking about thinking."