Asher, S. R. / 1981 / Identifying children at risk in peer relations : A critique of the rate of interaction approach to assessment / Child Development 52 : 1239 ~ 1245 Bielman, A. / 1994 / Effects of training social competence in children : A meta-analysis of recent evaluation studies / Journal of Clinical Child Psychology 23 (3) : 260 ~ 2 Birch, S. H. / 1997 / The teacher-child relationship and children's early school adjustment : Good-byes can build trust / Journal of School Psychology 35 : 61 ~ 79 Bowman, B. T. / 2001 / Eager to learn: educating our preschoolers / National Academy Press Bratton, S. C. / 2005 / The efficacy of play therapy with children : A meta analytic review of treatment outcomes / Professional Psychology : Research and Practice 36 (4) :