When speaking, how do we convert our thoughts into the sounds that come out of our mouths? Though seemingly effortless, the process of word production is realized by a complex system working over different levels of representation. By focusing on the sublexical factors, this work investigates the representations and dynamics of the word production…

A fundamental goal of educational research is identifying students' current stage of skill mastery (complete/partial/none). In recent years a number of cognitive diagnosis models have become a popular means of estimating student skill knowledge. However, these models become difficult to estimate as the number of students, items, and skills grows.…

In educational research, a fundamental goal is identifying which skills students have mastered, which skills they have not, and which skills they are in the process of mastering. As the number of examinees, items, and skills increases, the estimation of even simple cognitive diagnosis models becomes difficult. We adopt a faster, simpler approach:…

One of the main problems faced by university students is to take the right decision in relation to their academic itinerary based on available information (for example courses, schedules, sections, classrooms and professors). In this context, this work proposes the use of a recommendation system based on data mining techniques to help students to…

Analysis of survey data from 1002 undergraduates at a large southeastern university revealed differences between the 535 or 53.4% who had become involved (while on the rebound from a previous love relationship) in a new relationship compared to 316 or 31.5% who had not become involved in a new relationship while on the rebound. A profile of the…

This article demonstrates that the Cultural Revolution led to a temporary decline in educational homogamy in urban China, which was reversed when the Cultural Revolution ended. Previous studies on educational homogamy in China have paid incomplete attention to China's shifting institutional structures. This research applies institutional theory to…

Organizations such as the National Collegiate Athletic Association (NCAA) and the Knight Commission, as well as many members of the press, have debated for years whether intercollegiate athletics departments make money. In 2003, an NCAA study noted that 85 of the then 117 institutions in Division I-A, the highest competitive level of…

Internships are an essential component of gerontological education. Harvesting the learning from internships, however, requires careful attention to assessing an intern's work. In addition to providing feedback to students, internship assessment can also yield data useful for academic program evaluation. Drawing on internship assessment data…

This study examined the influence of sex, social dominance, and context on motion-tracked head movements during dyadic conversations. Windowed cross-correlation analyses found high peak correlation between conversants' head movements over short ([approximately equal to]2-s) intervals and a high degree of nonstationarity. Nonstationarity in head…

We examine the respective roles of substantive understanding (i.e., understanding of factual knowledge, concepts, laws and theories) and procedural understanding (an understanding of ideas about evidence; concepts such as reliability and validity, measurement and calibration, data collection, measurement error, the ability to interpret evidence…

The authors describe the relative benefits of conducting meta-analyses with (a) individual participant data (IPD) gathered from the constituent studies and (b) aggregated data (AD), or the group-level statistics (in particular, effect sizes) that appear in reports of a study's results. Given that both IPD and AD are equally available,…

A university ranking with credibility may provide proper guidance to students and parents in university choice, lead to rational flow of educational resources, promote competition among universities and evaluation mechanism in society, and inform the government in decision making. However, there are quite some disputes and doubts from the public…

Community colleges are pulling back the covers of student performance in favor of a new "culture of evidence." One hundred two community colleges in 22 states have joined Achieving the Dream: Community Colleges Count. Backed by a partnership of foundations and research organizations, the effort provides funding, coaching, and data-driven…

The three algorithms most frequently selected by behavior-analytic researchers to compute interobserver agreement with continuous recording were used to assess the accuracy of data recorded from video samples on handheld computers by 12 observers. Rate and duration of responding were recorded for three samples each. Data files were compared with…

Mary Anne CLark describes the organization and uses of Genome Island, a virtual laboratory complex constructed in Second Life. Genome Island was created for teaching genetics to university undergraduates but also provides a public space where anyone interested in genetics can spend a few minutes, or a few hours, interacting with genetic…