Presents a revised working definition of schema, lists four types of knowledge that individuals have (i.e., identification, elaboration, planning, and execution), and outlines issues in schema theory. The usefulness of schema in problem solving and information problem solving is discussed, and implications for teachers of information literacy are…

The second of two linked articles develops two more mapping typologies: first, an approach to the what, why, and how of leaders, leading, and leadership; and second, the presentation of possible positions that knowledge workers can take when they use and produce knowledge about leadership practice. (Contains 10 notes and 73 references.) (MLF)

The first of two linked articles discusses leadership and associated concepts. Outlines and illustrates a mapping typology built around five knowledge domains (conceptual, critical, humanist, evaluative, and instrumental) and seven factors (purpose, focus, context, method, audience, communication, and impact). (Contains 9 notes and 93 references.)…

Inservice teachers (n=180) participating in seven mathematical problem-solving workshops were asked to define problem solving. An item analysis of the written responses indicated that 67% of the responses were conceptually or terminologically vague. Precise definitions fell into three categories: strategy-based (12%), skills-based (9%), and…