Critiques recent research on the effects of birth order on intelligence and personality, which found that the between-family design revealed that birth order negatively related to intelligence, while the within-family design revealed that birth order was unrelated to intelligence. Suggests that it may not be intelligence that co-varies with birth…

Critiques Rodgers et al.'s June 2000 research on the relation between birth order and intelligence, which suggests that it is a methodological illusion. Explains how the intellectual environment and the teaching function (whereby older children tutor younger ones) contribute to the growth of intellectual maturity, the first negatively and the…

Education may promote the development of students' whole-person identity formation--the spiritual, psychological, social, emotional, and intellectual. This paper considers how identify formation and self-esteem are related, how parents form the foundation for identity, and how teachers can contribute to further growth. Erikson's theory of…