The present study addresses creativity as an employee strategy adopted to deal with challenges and distinguishes between incremental creativity (i.e., minor modifications to existing practices) and radical creativity (i.e., major departures from current practices). We hypothesize that employee self-reported mindfulness and other-rated personal…

Computerized assessments and interactive simulation tasks are increasingly popular and afford the collection of process data, i.e., an examinee's sequence of actions (e.g., clickstreams, keystrokes) that arises from interactions with each task. Action sequence data contain rich information on the problem-solving process but are in a nonstandard,…

Background: This study evaluated the effect of the school-based intervention Charge Your Brainzzz on adolescents' social-cognitive determinants, sleep hygiene and sleep duration and quality. Methods: A cluster-randomized controlled trial was conducted with 972 students from 10 Dutch high schools. Schools were randomly allocated to the intervention…

Scientific literacy is a central aim of science education. The "Programme for International Student Assessment" (PISA) provides a measure of secondary students' scientific literacy and reported science instruction in 72 countries. Researchers have analyzed PISA data to identify important relationships between science instruction and…

The current study examined emerging adults' gender identity and its link with several gender-related and social outcomes, by using a novel dual-identity approach that was originally developed in children. Dutch emerging adults between 18 and 25 years old (N = 318, M[subscript age] = 21.73, SD = 2.02; 51% female) indicated their similarity to the…

Research Findings: Drawing from a Dutch sample of 113 Dutch children (M age = 37 months, SD = 3.5) from 37 early care and education classrooms (19 child care centers and 18 preschools), this study examined whether the relation between classroom emotional and behavioral support and children's observed social integration and positive mood in a play…

This study examined to what extent motives for behavior differentiated between popular, accepted, and rejected adolescents. Based on goal-framing theory, three types of motives were distinguished: hedonic (aimed at short-term gratification), instrumental (aimed at improvement of one's situation), and normative (aimed at acting in accordance with…

Background: Changes in reward processing are thought to be involved in the etiology of attention-deficit/hyperactivity disorder (ADHD), as well as other developmental disorders. In addition, different forms of therapy for ADHD rely on reinforcement principles. As such, improved understanding of reward processing in ADHD could eventually lead to…

Questions about the necessity of tutors' content experience and what skills are required to make tutor behavior effective have received increased attention in the literature about problem-based learning. The present study attempts to examine the effects of context-specific variables through analysis of the generalizability of tutor behavior and…