This article draws its data from a collaborative intervention project "Expanding Textual Repertoires," which sought to help English teachers develop their students' higher-order work with language and texts in Singapore secondary schools. The focus is on the strategy of weaving, a form of connection-making which involves the deliberate…

The effects of 2 different types of positive and negative instances in learning "non-dimensioned" concepts were investigated. "Non-dimensioned" concepts are defined only by the presence or absence of distinct attributes. One-hundred-seventy-one 8th graders were given series of all positive or alternating positive and negative instances. Series of…

Reported is the production of an instructional methodology harmonizing with Piagetian theory and enabling teenage students, including those initially mismatched to the task, to understand the mole, as revealed by their performances on a test of basic skills considered fundamental to that concept. (DS)