We developed and validated the Conceptual Assessment of Natural Selection (CANS), a multiple-choice test designed to assess how well college students understand the central principles of natural selection. The expert panel that reviewed the CANS concluded its questions were relevant to natural selection and generally did a good job sampling the…

No one has a bigger stake in teaching effectiveness than students. Nor are there any better experts on how teaching is experienced by its intended beneficiaries. Only recently have many policymakers and practitioners come to recognize that--when asked the right questions, in the right ways--students can be an important source of information on the…

This study investigated the measurement integrity of the "Heart Smart" cognitive tests. Designed for fourth, fifth, and sixth graders, the tests measure health-related knowledge involving physiology, nutrition, exercise, and behavioral skills. The report presents tables of specifications, test floors and ranges, a demographic profile of…