Two studies are reported in this paper. The object of learning in both is the economic principle of changes in price as a function of changes in the relative magnitude of changes in demand and supply. The patterns of variation and invariance, defining the conditions compared were built into pedagogical tools (text, graphs, and worksheets). The…

The purpose of this article is to identify some necessary conditions of learning. To learn something, the learner must discern what is to be learned (the object of learning). Discerning the object of learning amounts to discerning its critical aspects. To discern an aspect, the learner must experience potential alternatives, that is, variation in…

Discussions about transfer have mainly dealt with how people manage to do something in a situation thanks to having done something similar in a previous situation. From an educational point of view, however, it appears more fruitful to consider the case when the learner, having learned to do something in 1 situation, might be able to do something…

This paper is concerned with an innovative approach to teaching Chinese characters. Traditionally, pupils learn Chinese characters by repeatedly copying them until they can reproduce their form and pronunciation from memory. Most of the characters pupils are required to learn are selected on the basis of their frequency in adult written…