Discusses a major question in the philosophy of science and reviews two textbooks intended for introductory courses, Scientific Research I, and Scientific Research II, by Mario Bunge. (MF)

An investigation of the effects of unreinforced test trails upon information processing in conjunctive concept identification. (Author)

Investigates the developmental priority of identity conservation as contrasted with equivalence conservation using quantity and number conservation tasks. (Author/AJ)

Phenomenology has made an important contribution to understanding the human mind by offering a rigorous description of consciousness. This essay's intent is to provide a familiarity with the vocabulary and concepts of phenomenology as an aid to the general scholar. (Author/JB)

Problems were solved most easily when there was a difference in only one dimension. Distance understanding correlated highly with age, intelligence, and conservation. Large social class differences for the task also appeared. (MH)

The ability To judge art requires the willingness to engage in critical thinking. A teacher can motivate his students to think in this manner by encouraging them, as a first step, to make any statement they wish about any work of art. (CK)