Knowledge is an important predictor and outcome of learning and development. Its measurement is challenged by the fact that knowledge can be integrated and homogeneous, or fragmented and heterogeneous, which can change through learning. These characteristics of knowledge are at odds with current standards for test development, demanding a high…

The objectives of this investigation are to develop, describe, assess, and demonstrate procedures for constructing mastery tests to minimize errors of classification and to maximize decision reliability. The guidelines are based on conditions where item exchangeability is a reasonable assumption and the test constructor can control the number of…

The development of the Student Selection Battery for the Beginning Teacher Evaluation Study is described. This battery, which measures reading and mathematics achievement in second and fifth grade students, will be used to select target students for the study of teaching effectiveness. Methodological considerations included: the limited amount of…