With increasing interest in studies evaluating treatment outcome in children with attention deficit hyperactivity disorder (ADHD), there is a need for treatment-sensitive instruments that are feasible, yield valid and reliable scores, and measure outcome in a "time-locked" and "situation- and symptom-specific" manner. These instruments are needed…

This article reports three studies in which a scale for assessing teachers' beliefs about professional-development initiatives was developed and its scores evaluated for reliability and validity. Results indicated that the Teachers' Attitudes About Professional Development (TAP) scale produced scores with high reliability, a stable one-factor…

The development and validation of the Teacher Beliefs Survey (TBS) is described. The TBS, an instrument for assessing the beliefs of teachers related to constructivist and traditional approaches to teaching and learning, contains 21 items in three hypothetical constructs. Elementary teachers, preservice (n = 61) and in-service (n = 137),…

A 72-item survey, examining 6 types of instructional media, was administered to 85 preservice teachers to examine their beliefs with respect to instructional media. Factor analysis supported two strong constructs, technological beliefs and traditional beliefs. Whole and subscale reliabilities are also reported. (SLD)