The overall aim of this article is to stimulate discussion about the activities within CER, and to develop a more thoughtful and explicit perspective on the different types of research activity within CER, and their relationships with each other. While theories may be the most valuable outputs of research to those wishing to apply them, for…

Describes a study that explored the parameter-related misconceptions of two college students in an introductory programming course. Explains how they were able to construct correctly functioning modular programs by making adjustments to formal parameter lists; discusses results within a constructivist framework; and suggests implications for…

The implementation of a new computer science (CS) curriculum in high schools which includes all the basic elements of traditional CS programs, motivated a research to determine how students conceive the very fundamental notion of efficiency. Since this was the first time that algorithm efficiency was integrated into a high school curriculum, our…