Despite its convenience, the process of self-report in personality testing can be impacted by a variety of cognitive and perceptual biases. One bias that violates local independence, a core criterion of modern test theory, ...

Repeated measures designs are widely used in educational and psychological research to compare the changes exhibited in response to a treatment. Traditionally, measures of change are found by calculating difference scores ...

Dazzling changes in many areas, such as technology and communications, marked the 20th century—the first century of ability testing. Predictions about the second century of testing seem difficult in such a context. Yet, ...