The article presents a theoretical framework for evaluating the utility of consumer product testing methods involving four factors which determine a method's utility, validity, reliability, manageability, and essentiality. The framework is applied to three situations, including comparative evaluation of test methods, comparative product testing,…

Summarizes the interview and observation of mathematics teachers on their classroom teaching of problem solving. Discusses the related issues that teachers should consider as they plan and teach problem solving lessons. (YP)

Draws some initial connections between library performance measures and library space planning and collection management. Output measure surveys are suggested for establishing hierarchies of use and appropriate design of environments for housing the collection. Four references are listed. (MES)