Diagnostic classification models (DCMs) are psychometric models that can be used to estimate the presence or absence of psychological traits, or proficiency on fine-grained skills. Critical to the use of any psychometric model in practice, including DCMs, is an evaluation of model fit. Traditionally, DCMs have been estimated with maximum…

J. T. Wixted argued that nearly every recent study that was designed to differentially test the unequal-variance signal-detection (UVSD) and dual-process signal-detection (DPSD) models has yielded findings that strongly support the UVSD model. C. M. Parks and A. P. Yonelinas did not address these studies in detail and instead focused mainly on…

The hypothesis that alpha brain wave biofeedback training elevates mood was tested. Three groups of eight naive subjects each were formed: Group 1 underwent training, Group 2 kept the alpha feedback signal off, and Group 3 named titles of tunes. The hypothesis was not supported. (Author)

Presents MAC/FAC, a model of similarity-based retrieval that attempts to capture psychological phenomena; discusses its limitations and extensions, its relationship with other retrieval models, and its placement in the context of other work on the nature of similarity. Examines the utility of the model through psychological experiments and…

THE CO-RELATED OBJECTIVES OF THIS STUDY WERE--(1) TO DEVELOP AND EVALUATE A MODEL OF EGO COUNSELING DERIVED, IN PART, FROM THE PSYCHOANALYTIC THEORY OF ADAPTIVE FUNCTIONING, AND (2) TO INVESTIGATE CERTAIN PSYCHOLOGICAL AND SOCIAL CONDITIONS UNDERLYING ACADEMIC UNDERACHIEVEMENT. A COUNSELED EXPERIMENTAL SAMPLE OF 53 BRIGHT, BUT ACADEMICALLY…