Monthly testing based on a counterbalanced matrix sampling plan in one psychomotor, three affective, and five cognitive areas provides a continuous picture of the development of native American children enrolled in three distinct curricula. Of the nine scales, one showed negative, two showed insignificant, and six showed significant positive changes. When compared with national norms, the results suggest that all three curricula have strong remedial effects across a broad range of important areas of preschool learning. (Author)