Classification "rules" in expert and everyday discourse are usually deficient by formal standards, lacking explicit decision procedures and precise terms. The authors argue that a central function of such weak rules is to focus on perceptual learning rather than to provide definitions. In 5 experiments, transfer following learning of family…

The present study advances a new method for assessing teacher beliefs and priorities. This paper describes the development and psychometric properties of the "Teacher Belief Q-Sort" (TBQ), an assessment technique that examines teachers' priorities and beliefs about discipline practices, classroom practices, and beliefs about children (see…

This study examined certain psychometric properties of the questions about behavioral function (QABF) scale. The QABF was completed on 118 problem behaviours presented by 40 young people with severe intellectual disabilities, and measures of inter-rater reliability, internal consistency, and construct validity were calculated overall and for…

Behavior analysis in general and applied behavior analysis in particular requires a well developed, empirically supported, and useful approach to human language and cognition in order to fulfill its mission of providing a relatively adequate comprehensive account of complex human behavior. This article introduces a series of articles in which the…

The study investigated the prevalence of fear and hyperacusis and the possible connections between fear, hyperacusis and musicality in a Swedish sample of individuals with Williams syndrome (WS). The study included 38 individuals and a cross-sectional design, with no matched control group. Two persons, who knew the participant well, completed a…

Intuitive eating is characterized by eating based on physiological hunger and satiety cues rather than situational and emotional cues and is associated with psychological well-being. This study reports on the development and initial psychometric evaluation of the Intuitive Eating Scale (IES) with data collected in 4 studies from 1,260 college…

People with learning disabilities can have mental health problems like anyone else. People with learning disabilities should be able to use the same mental health services as anyone else. In this article we say how we have tried to make this happen. It is now well recognized that people with learning disabilities experience the full range of…

Background: Epilepsy is common in people with intellectual disability, yet clinicians and researchers seldom obtain information directly from the client. The development and preliminary validation of a novel measure for use with people with mild to moderate intellectual disabilities is described. Methods: Focus group methods (6 groups; 24…

Recently, nonparametric methods have been proposed that provide a dimensionally based description of test structure for tests with dichotomous items. Because such methods are based on different notions of dimensionality than are assumed when using a psychometric model, it remains unclear whether these procedures might lead to a different…

Relational complexity (RC) theory conceptualizes an individual's processing capacity and a task's complexity along a common ordinal metric. The authors describe the development of the Latin Square Task (LST) that assesses the influence of RC on reasoning. The LST minimizes the role of knowledge and storage capacity and thus refines the…

This study examined the psychometric properties of the Feminist Identity Development Scale (FIDS) and the Attitudes Toward Feminism and the Womens Movement Scale (FWM) with 389 Mexican American 11th-grade and 12th-grade women. Results indicated internal consistency coefficients of .61, .62, .76, and .77 for the FIDS Passive Acceptance, Revelation,…

The Trends in International Mathematics and Science studies provide country-level data for tracking changes in student achievement over time. In this paper the author has developed a method for identifying and monitoring trends in student achievement above or below any specified cut-point on these tests. The method involved the use of the Foster,…

The widely used Social Interaction Anxiety Scale (SIAS; R. P. Mattick & J. C. Clarke, 1998) possesses favorable psychometric properties, but questions remain concerning its factor structure and item properties. Analyses included 445 people with social anxiety disorder and 1,689 undergraduates. Simple unifactorial models fit poorly, and models that…

The purpose of this pilot study was to determine if a single math-based chronometric task could accurately discriminate between college students with and without a diagnosed math disorder. Analyzing data from 31 students (6 in the case group, 25 in the clinical comparison group), it was found that the single chronometric task could accurately…

The Parental Attachment Scale was developed through exploratory factor analysis, confirmatory factor analysis, and validation of a final 23-item scale. Comparison with existing parental attachment measures and a subliminally primed lexical decision task was also conducted. Results across the 3 studies suggested satisfactory internal consistency…