The Journal of Educational Research, Vol. 97, No. 1 (Sep. - Oct., 2003), pp. 21-34 (14 pages) The authors examined the impact of self-assessment on 7th- and 8th-grade students' written essays.

It was hypothesized that self-evaluative accuracy will increase with age in a competitive condition, while even young children will appraise their performance quite accurately in a mastery condition.