对元认知的定义,不同的心理学家有不同的诠释。我国学者尽管对元认知定义的描述各不相同,但其核心是共同的,那就是元认知是关于认知的认知,是个人对自己认知加工过程的自我觉察、自我评价和自我调节。关于元认知的结构,目前普遍接受的一种说法是:元认知实质上只有三种成分,即元 Different psychologists have different interpretations of the definition of metacognition. Although Chinese scholars have different descriptions of metacognitive definitions, their cores are common, that is, metacognition is about cognitive cognition. It is the individual’s self-awareness, self-evaluation, and self adjust. As for the structure of metacognition, there is a generally accepted view that metacognition consists essentially of three components, namely, meta-cognition.