The Gambling Timeline Followback (G-TLFB), a measure of gambling behavior that uses the timeline followback methodology, was psychometrically evaluated with samples of frequent-gambling young adults. Seven dimensions of gambling behavior were assessed: type, frequency, duration, intent, risk, win-loss, and consumption of alcohol while gambling.…

Sixty-three children between ages 6 and 12 who were enrolled in a summer treatment program for children with attention-deficit/hyperactivity disorder (ADHD) participated in a study designed to measure the relationship between social behaviors, athletic performance, and peer acceptance. Children were assessed on sport-specific skills of three major…

This study investigated the relation between dilatory behaviors and performance in students whom we randomly assigned to either an online or a traditional, lecture introductory psychology class. Both sections had full access to a class Web site. There were no reliable differences between the 2 sections of the class on the measures of…

The concept of equity traps evolved from a qualitative study that revealed the conscious and unconscious thinking patterns and behaviors that trap teachers, administrators, and others, preventing them from creating schools that are equitable, particularly for students of color. Although the results of this original study exposed these equity…

Transactional distance theory predicts an inverse relationship between dialogue and structure in an educational transaction. It is a powerful theory, but it is inherently fuzzy in formulation and may have exceptions. This article reinterprets the theory as one of transactional control, where the central issue is one of choices and who makes them.…

This article contrasts aphasic patients' performance of word naming and lexical decision with that of intact college-aged readers. We discuss this contrast within a framework of self-organization; word recognition by aphasic patients is destabilized relative to intact performance. Less stable performance shows itself as an increase in the…

Acquiring proficiency in different discourse genres involves an awareness of which syntactic structures are the most appropriate to the communicative context and purpose. This article examines two scientific research genres--conference proceedings articles and conference presentations--and compares the syntactic behaviour of a group of native…

Knowledgeable persons within the field frequently criticize definitions of "learning disabilities" for the choice of vocabulary, phrasing and implied ideas. Although there may never be a universally accepted definition, a definition that reflects current research is used in this article to make evident some of the cognitive and…

Adolescence is the transition from childhood to adulthood, a period during which an individual acquires the skills necessary to survive on his or her own, away from parents or other caregivers. Adolescence can be a very confusing time. They experience changes in sleep, diet, mood, weight and attitude and a decreased pleasure from daily activities.…

Structural equation modeling (SEM) offers a flexible method for studying the patterns of interdependence in partners' behavior, which lie at the heart of interactions and relationships. Although SEM has been applied to the study of distinguishable dyads, in which partners are distinguishable by type, such as male and female, it has rarely been…

The present paper deals with the problem of non-selective harvesting of a prey-predator system in which both the prey and the predator species obey the law of logistic growth and each predators functional response to the prey approaches a constant as the prey population increases. Boundedness of the exploited system is examined. The existence of…

We examined 48-hour test-retest reliability of the arrest and incarceration questions on the Risk Behavior Assessment (RBA; National Institute on Drug Abuse, 1993). Participants were 229 street-drug users recruited in 11 cities throughout the United States. Results revealed that lifetime arrest and incarceration items demonstrated good to…

This paper reports on the "usability" element of a study examining the development of a multimedia Learning Environment (LE) for Special Educational Needs (SEN) students, designed to match learner requirements to learning materials, as elicited from cognitive and accessibility profiles drawn up by teachers and learning support assistants. In…

This study tested the association between mother's early age at first birth and various life outcomes for her children in later adolescence and early adulthood. Data were analyzed from the Rochester Youth Development Study, an ongoing panel study of adolescents enrolled in seventh or eighth grade in Rochester Public Schools in 1988 ("N"=729). Boys…

Many behavior patterns that impact on physical activity experiences are established in early childhood, therefore it is important that valid, reliable, and feasible measures are constructed to identify children who are not developing appropriate and healthy activity habits. In this study, measures of physical activity derived by accelerometry and…