Math problem solving frequently involves choices among alternative strategies. Strategy choices, and effects of problem features on strategy choices, both vary among individuals. We propose that individual differences in strategy choices can be well characterized in terms of parametric variation in three types of influence: global bias, relevant…

A common activity in school mathematics is to derive a function from a table of values. There are two general strategies one might adopt to determine the function f. First, one might try to determine a connection between a particular n and f(n), and then evaluate whether it holds for other values of n. An alternative strategy would be to look for…

Schoolwide Response to Intervention (RTI) services are growing in prevalence in U.S. schools. Most advanced are RTI programs in elementary schools, with preschool and secondary education programs beginning to discuss, develop, and experiment with schoolwide RTI. At its heart, RTI seeks to account for individual differences in student learning…

Most differences that people see across identity groups are not essential. They're not hard coded into people's genes. They originate in communities and in cultures and are reinforced by daily practice. People act the ways they do because they're conforming to the people around them. In this article, the author introduces a new way of thinking…

Six hundred and seventeen teacher-nominated Chinese gifted students rated the importance of 25 characteristics and 14 competencies for teachers of gifted learners, and all 39 characteristics and competencies were endorsed as important. The 25 teacher characteristics could be conceptualized in four dimensions, as an individuality orientation, a…

For all the fractious debate in America over the state of public schools, those on the political Left and Right agree that the "achievement gaps" are real. But what do most people mean when they say "achievement gaps"? Gaps in standardized test scores, of course. The gaps consist of the differences between the test scores of…