From domain-specific to domain-general? The developmental path of metacognition for strategy selection Metacognition, typically defined as the ability to evaluate (or monitor) and regulate (or control) the success of cognitive processes (Dunlosky & Metcalfe, 2009), has been regarded as a fundamental skill influencing cognitive performance and learning in domains as diverse as arithmetic, memory, reading, perception, and many others (Kuhn, 2000). Generally, metacognition is viewed as a global ability that is correlated across content domains, suggesting that participants who are good at evaluating their performance for one sort of task also tend to be good at evaluating their performance for another sort of task (Schraw, Dunkle, Bendixen, & Roedel, 1995). Domain-General or Domain-Specific Metacognition Processes? In adults, the assumption that metacognition is domain-general is supported by two types of evidence. First, a number of behavioral studies seem to indicate that inter-individual differences in measures of metacognitive sensitivity (i.e., how well one can discriminate between correct and incorrect responses through the monitoring of one's own performance) correlated across unrelated cognitive tasks (e.g.