Literature on problem solving is reviewed, a conceptual scheme of problem solving is proposed, and several research issues related to the nature of problem finding and its relation to problem solving are identified. Some implications for educational practice are mentioned. (SW)

Develops a new model of crisis perception and compares it to Hermann's three-variable model (surprise, short decision time, and threat to valued goals). Three specific predictions derived from the proposed model are confirmed by data from 177 industrial and educational organizations that experienced curtailments of natural gas allocations.…

A theory of the lay epistemic process is outlined. An integrative framework is provided that allows consideration of diverse attributional models in common theoretical terms and derivation of the necessary applicability conditions of different such models. (Author/RL)

Discusses students' exploration of a particular rational function in the context of people waiting in line for service. The concepts of domain, range, and asymptotes are also developed in that context as is the effect of changes in input variables on function outputs. (Author/NB)

Effective problem solving depends on adopting the appropriate frame of reference to guide the search for solutions. If the problem is mislabeled or the wrong frame of reference used, the chances for success are lower. (SK)

A special but common type of scenario is one in which a company has a promotion that is designed to make the customer purchase more of their product than they otherwise might. Although this can be aimed specifically at children, it really applies to all persons. The basic premise is that the company issues a "set" of different items or…

Biotechnological processes (BTP) are characterized by a complicated structure of organization and interdependent characteristics. Partial differential equations or systems of partial differential equations are used for their behavioural description as objects with distributed parameters. Modelling of substrate without regard to dispersion…

Automated Student Modelling explicates reasoning strategies, the representation of procedural skills, and underlying misconceptions as manifested in errors. A diagnostic model, based on a "procedural network" as opposed to a "semantic network," is presented which provides a technique both for modelling the underlying cognitive processes of a…

Performance assessment, a method that makes possible the assessment of multiple dimensions of students' progress, including dispositions, is described. Criteria for good performance tasks are given, and their structure is illustrated through an example. A list of 10 dispositions toward mathematics and a self-evaluation group-performance rating…

Forty-four Head Start classrooms were randomly assigned to enriched intervention (Head Start REDI--Research-based, Developmentally Informed) or "usual practice" conditions. The intervention involved brief lessons, "hands-on" extension activities, and specific teaching strategies linked empirically with the promotion of: (a)…

This article discusses two sequences of activities that were developed to support middle school students' and preservice teachers' construction of algorithms for dividing fractions. One sequence is intended to promote understanding of the common-denominator algorithm; the other sequence is intended to promote understanding of the…

Although worry is considered to be the key feature of generalised anxiety disorder, it has its own unique properties. The study aimed to investigate the extent to which intolerance of uncertainty, poor problem-solving confidence, positive beliefs about worry and negative thinking style, predicted worry, both individually and in combination, once…

The author argues that Instructional Design (ID) is a problem-solving process, not a procedure, made up of a thinking process common to designers in many fields, and a set of well-accepted, underlying ID principles. This article presents a model of those principles. Further, it argues that teaching ID as a well-structured procedure is not helpful…

School psychologists have expertise in the realm of school-based assessment and intervention for behavioral, educational, and psychological difficulties. Recent evidence indicates that many school psychologists lack evidenced based knowledge about assessment and treatment of pediatric Obsessive-Compulsive Disorder (OCD). Pediatric OCD is a…

This paper introduces various visual models for the analysis and description of learning processes. The models analyse learning on two levels: the dynamic level (as a process over time) and the functional level. Two types of model for dynamic modelling are proposed: the session trace, which documents a specific learner in a particular learning…