This report summarizes the activities and findings of Horizon Research, Inc. (HRI) in its external evaluation of the American Association of Physic Teachers (APPT's) Rural Physics Teacher Resource Agents (PTRA) project. The report details HRI's work and findings since June 2004. The report is divided into five main sections. The first provides an…

This report summarizes the activities and findings of Horizon Research, Inc. (HRI) in its external evaluation of Rural Physics Teacher Resource Agents (PTRA) project. The report details HRI's work and findings since June 2002. The project is on schedule for going to scale with the rural centers model, establishing four centers in Year One and…

Strategic Programs for Innovations in Undergraduate Physics (SPIN-UP) set out to answer an intriguing question: Why, in the 1990s, did some physics departments increase the number of bachelor's degrees awarded in physics or maintain a number much higher than the national average for their type of institution? During that decade, the number of…

Presented is an electricity problem on simple series circuit. Provided are the problem diagram and answers with explanation. (YP)

Refutes 14 items from "Computer Test Bank for Heath Physical Science." Discusses the correct answers item by item. (YP)

Compared is the mass of a dozen eggs with the mass of air in an empty refrigerator. An answer and reasons for the answer are provided. (YP)

Reports the rationale, design, validation, and uses of the "Force Concept Inventory," an instrument to assess the students' beliefs on force. Includes results and implications of two studies that compared the inventory with the "Mechanics Baseline." Includes a copy of the instrument. (MDH)

Reports the design of the "Mechanics Baseline Test," an instrument to assess students' understandings about concepts in mechanics. Discusses how comparisons of test results with extensive baseline data can be used to evaluate instruction at all levels. Includes a copy of the instrument. (MDH)