The resources framework provides a useful and generative model of student thinking and learning. In particular, it suggests various strategies for instruction such as priming resources and refining intuition that allow students to build on knowledge they already have. In this paper, we describe the affordances of the resources framework in guiding…

This study examined whether the quality of first graders' (mean age = 7.2 years) numerical magnitude representations is correlated with, predictive of, and causally related to their arithmetic learning. The children's pretest numerical magnitude representations were found to be correlated with their pretest arithmetic knowledge and to be…

Describes a study that was conducted to examine the instructional effectiveness with which different types of job aids facilitated learner achievement of different types of learning objectives, and to identify the degree to which learners possessing different levels of prior knowledge profited from different types of job aids. (Author/LRW)

This study examined the instructional effectiveness with which different job aid types facilitated learner achievement of different types of learning objectives and identified the degree to which low and high prior knowledge individuals profit from different job aid types. The instructional content used in the study was an instructional module on…