Signal detection theory (SDT) makes the frequently challenged assumption that decision criteria have no variance. An extended model, the Law of Categorical Judgment, relaxes this assumption. The long accepted equation for the law, however, is flawed: It can generate negative probabilities. The correct equation, the Law of Categorical Judgment…

How well we are attuned to the statistics of our environment is a fundamental question in understanding human behaviour. It seems particularly important to be able to provide accurate assessments of the probability with which negative events occur so as to guide rational choice of preventative actions. One question that arises here is whether or…

This study explored the types of stressors prevalent in the self-reports of university research administrators (URAs) and examined whether or not the degree or type of role stress was influenced by: a) the affiliation of their office unit within their institution, or b) their type. Randomly selected members of NCURA were invited via e-mail to…

Unemployment Insurance (UI) is the major social insurance program that protects against lost earnings resulting from involuntary unemployment. Existing literature finds that low-earning unemployed workers experience difficulty accessing UI benefits. The most prominent policy reform designed to increase rates of monetary eligibility, and thus UI…

Background: In an ongoing effort to improve teacher quality, most states require continuing education or professional development for their in-service teachers. Studies evaluating the effectiveness of various professional development programs have assumed a normal distribution of quality of teachers participating in the programs. Because…

This study assessed the predictive relationships between faculty engagement, learner satisfaction, and outcomes across multiple learning delivery modes (LDMs). Participants were enrolled in courses with the options of three learning delivery modes: face-to-face, satellite broadcasting, and live video-streaming. The predictive relationship between…

The purpose of the present study is to explore the relationship between family socioeconomic status and mathematics performance on the base of a multi-level analysis involving a large sample of Chinese primary school students. A weak relationship is found between socioeconomic status and performance in the Chinese context. The relationship does…

Purpose: The purpose of this paper is to verify whether higher education increases the likelihood of young Italian workers moving from non-standard to standard wage contracts. Design/methodology/approach: The authors exploit a data set on labour market flows, produced by the Italian National Statistical Office, by interviewing about 85,000…

This paper aimed to highlight the process of therapist direct contingent responding to shape client behavior in two Child Behavior Analytic Therapy (CBAT) cases using transitional probabilities. The Functional Analytic Psychotherapy Rating Scale (FAPRS) was used to code client behaviors and the Multidimensional System for Coding Behaviors in…

The prevalence of drug abuse has been reported to be up to 17.0% in Iran. The aim of this study was to investigate the prevalence of two frequently abused substances--cannabis and opium--in samples of the young population in Isfahan, Iran. In a survey done from January 2005 to December 2006, 537 individuals aged 13-20 years were recruited using a…

There is a perception that university students have changed dramatically in their modes of learning in recent years, mainly due to their widespread use of the Internet as an information source, the change in student body due to the greater accessibility of third level education and changes in experience in second level education. Lectures,…

What is the best way to assign graduate business students to online team-based projects? Team assignments are frequently made on the basis of alphabet, time zones or previous performance. This study reviews personality as an indicator of student online team performance. The personality assessment IDE (Insights Discovery Evaluator) was administered…

Educators are increasingly focused on ensuring that students experience a rigorous curriculum in high school and graduate college and career ready. One way of introducing rigorous course work is to have students take college-level work, often in the form of either an AP® course and exam or a dual enrollment course. This study compared the outcomes…

We present a data set consisting of user profile data for 59,946 San Francisco OkCupid users (a free online dating website) from June 2012. The data set includes typical user information, lifestyle variables, and text responses to 10 essay questions. We present four example analyses suitable for use in undergraduate introductory probability and…

Background: This study examined the impact of the reading-related affective factors "home environment" and school "environment" on predicting the likelihood of students being either high-proficiency or low-proficiency readers. Data from 3,875 Hong Kong SAR Grade 4 students participating in an international comparative…