In this article, the change in examinee effort during an assessment, which we will refer to as persistence, is modeled as an effect of item position. A multilevel extension is proposed to analyze hierarchically structured data and decompose the individual differences in persistence. Data from the 2009 Program of International Student Achievement…

Following the behavior-analytic tradition of analyzing individual behavior, the present research investigated demand elasticity of individual consumers purchasing supermarket products, and compared individual and group analyses of elasticity. Panel data from 80 UK consumers purchasing 9 product categories (i.e., baked beans, biscuits, breakfast…

This article presents the results on the effects of professional development in context by examining how much average change over time there is in different dimensions of teaching practice. In particular, three years of data on teaching practice are used to describe trends and differences across teachers and schools in the three broad aspects of…

A variety of research findings and observations concerning learning styles are compiled in this guide to help teachers understand the implications of their students' learning preferences. The first section describes the Learning Preference Inventory (LPI) as an instrument that asks the student to select among eight learning situations, e.g.,…