One of the central functions of teaching is formal assessment. However, formal assessment in school physical education often consists of attributing final grades to students at the conclusion of a unit (i.e., summative assessment). Moreover, grades have often been based on effort, attendance, and dress. Practical and authentic assessment…

The author develops a simple geometric analysis of Cournot-Nash equilibrium in the price-quantity space by exploiting the economic content of the first-order condition. The approach makes it clear that strategic interdependency in oligopoly originates from externalities among producers. This explains why cartels are unstable and casts oligopoly…

Undergraduate students are often interested in applications of economic principles. Although popular television shows and movies are not real-world examples, drawing from these sources can motivate disinterested students and provide a pedagogical tool that enhances instruction. In this article, the authors discuss several basic introductory…

Communication is frequently characterized by a sequence of questions and answers. Little is known about how well students who are deaf or hard of hearing (deaf/HH) understand their hearing classmates in the context of an inclusive setting. This study explored the communication skills used by deaf/HH children when asking and answering questions in…

Children with autism have severe and pervasive impairments in social interactions and communication that impact most areas of daily living and often limit independent engagement in leisure activities. We taught four children with autism to engage in an age-appropriate leisure skill, playing the video game Guitar Hero II[TM], through the use of (a)…

This qualitative study examines how 11 Dutch students aged 14-15 develop an interest in specific types of interactive media practices and how they perceive these practices in relation to others. The methods included semi-structured interviewing, autodriving visual elicitation and photo elicitation using moodboards. Our results show the importance…

This article presents a dual system model (DSM) of decision making under risk and uncertainty according to which the value of a gamble is a combination of the values assigned to it independently by the affective and deliberative systems. On the basis of research on dual process theories and empirical research in Hsee and Rottenstreich (2004) and…

In goods markets, an equilibrium price balances demand and supply. In a financial market, an equilibrium price also aggregates people's information to reveal the true value of a financial security. Although the underlying idea of informationally efficient markets is one of the centerpieces of capital market theory, students often have difficulties…

Findings from 2 studies of the relationship between response-contingent child behavior and child, caregiver-child, and caregiver behavior not directly associated with child contingency learning are described. The participants were 19 children with significant developmental delays and their mothers in 1 study and 22 children with significant…

Whereas a lot of studies examine cognitive processes in chess players, personality profiles of elite chess players are still not described well. The aim of this study was to examine personality of strong chess experts and its influence on chess skill. We tested elite male and female chess players with Freiburg Personality Inventory Revised…

Videogames represent one of the fastest growing and most influential forms of contemporary visual culture. In this article, the author looks to five aspects of current videogames: perspective, interactivity, interface, narrative, and time and movement. Each of these videogame modalities is analyzed as related to a wide range of popular media,…

Instructional metaphors scaffold learning better when accompanied by an elaboration. Applying structure mapping theory, we developed and used an elaborated instructional metaphor (text and illustrations) for introductory chemistry concepts. In two studies (N[subscript 1] = 44, N[subscript 2] = 57), college students with little chemistry background…

Over the last decade blog (a contraction of "web log") has crept into the national lexicon and culture, transforming the way people communicate. Although exact numbers are difficult to gather, the Web site "Technorati" is tracking more than 112.8 million blogs. Rarely far removed from technology; cell phones, iPods, Facebook…

Evidence in the research literature indicates people may treat "won" money differently than they would their own money. The present study had a sample of 648 college students complete a delay-discounting task that involved the hypothetical monetary amounts of $1,000 or $100,000. Participants were asked repeatedly what amount they would…

Research Findings: Previous research on young children's play has focused narrowly on behaviors that are highly valued in Western societies. The purpose of this study was to draw back the lens on play--to examine a broader range of early childhood pastimes that are more common and meaningful to children of color. Using G. Bateson's (1972) work on…