Dose–Response Relationship: The Effect of Motor Skill Intervention Duration on Motor Performance

Background: This study examined the effects of three different treatment doses of a motor skill intervention (the Children’s Health Activity Motor Program [CHAMP]) on changes in preschoolers’ motor performance. Methods: Onehundred and nine children were divided into one of four groups: control and three CHAMP dosage groups: T 1 , 660 min; T 2 , 720 min; or T 3 , 900 min. Motor performance was assessed before and after the intervention using the...