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…

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)