Montessori environments offer concrete learning materials, with controls of error embedded in their design, that support independence, engage the child's interest, and provide individual challenges. Yet, over time, Crystal Dahlmeier has observed changes in some Montessori environments: worksheets taking the place of hands-on work with materials;…

The relative worth of any evaluation instrument depends on user needs and the material being evaluated. Potential users of a good computer assisted instruction (CAI) instrument include purchasers, authors, reviewers, and publishers of CAI materials. Although each user has unique needs, a good instrument will serve both to educate and discriminate,…

Guide-worksheets were developed on a word processor in a high school library for bibliographic instruction of English and social studies students to cover the following reference sources: Facts on File; Social Issues Resource Series (S.I.R.S.); Editorial Research Reports; Great Contemporary Issues (New York Times), which also includes Facts on…