Understanding complex systems such as ecosystems is difficult for young K-12 students, and students' representations of ecosystems are often limited to nebulously defined relationships between macro-level structural components inherent to the ecosystem in focus (rainforest, desert, pond, etc.) instead of generalizing processes across ecosystems…

Background: When writing a text, students are required to do several things simultaneously. They have to plan, translate and review, which involve demanding cognitive processes. In order to handle this complexity, writers need to develop a writing strategy. The two most well-defined writing strategies that have been identified, are those of a…

This report describes an investigation of the effect of teaching library and research skills using the "Pooh Step-by-Step Guide for Writing the Research Paper" on the performance of fourth grade students on the reference materials portion of the SRA (Science Research Associates) Achievement Series tests. The random selection of two…

Describes a study conducted in a Hong Kong primary school that compared the effects of learning LOGO programing with a process-oriented approach and a content-oriented approach to problem-solving skills. Transfer of training to nonprograming problem solving is discussed, and instruments used to assess students are explained. (33 references) (LRW)