摘要:This study analyzed the efs of dynamic assmesnt in termns of safflding group types and young children's measurement ability levels. Participants were five-year old children in Busan divided into 2 experimental groups and control groups. The Assessment Tools for Young Children's Measurement Ability (Ko & Hwang,2008) consisted of 4 sub tests for 'lengh','width',and 'weight' concepts. Data were analyzed by 1-test and ANOVA. Results showed significant differences between experimental and control groups in post-test scores,but no significant differences between individual and peer collaboration groups in amount of saflding. Significant improvements showed in all of the measurement ability level groups : individual higher,individual lower,peer collaboration higher and peer collaboration lower level scaffolding groups.