OBJECTIVE This study was performed to survey the relationship between coaches' and athletes' competitive anxiety, and their performance. METHODS This is a descriptive correlational study performed using a demographic questionnaire, an athletic performance checklist, and sport competition anxiety test designed by Martens consisting of 15 questions. The study population consisted of 540 players...

This study explored whether adolescent sports participants' perceptions of the social climate fall into distinct profiles, and whether these profiles are related to enjoyment and intention to continue. A Latent Profile Analysis using 313 Australian sports participants (Mage = 13.03 years) revealed four distinct profiles: positive social climate (45.1%), diminished social climate (19.8%), positi...

Athlete-driven informal sport play represents an important context for athlete development. However, in contrast to coach-driven organized sport, little is known about the interpersonal processes driving development in this context. The present study was an exploratory descriptive analysis of the interactive peer behaviors occurring in an informal sport play setting and their relationship to at...

background and aims: nutrition has a determinant role in success of professional athletes and dietary supplements can play an important role for supplying the nutritional needs for them in some situations. consumption of dietary supplements (ds) was significantly increased in recent years. based on this fact, assessing the amount, purposes and type of the supplements are all as prior as the aff...

In this paper, we describe Coach Mike, a virtual staff member at the Boston Museum of Science that seeks to help visitors at Robot Park, an interactive exhibit for computer programming. By tracking visitor interactions and through the use of animation, gestures, and synthesized speech, Coach Mike provides several forms of support that seek to improve the experiences of museum visitors. These in...

We describe Coach Mike, an animated pedagogical agent for informal computer science education, and report findings from two experiments that provide initial evidence for the efficacy of the system. In the first study, we found that Coach Mike’s presence led to 20% longer holding times, increased acceptance of programming challenges, and reduced misuse of the exhibit, but had limited cumulative ...

Patients with Post Traumatic Stress Disorder (PTSD) often need to specify and relive their traumatic memories in therapy to relieve their disorder, which can be a very painful process. One new development is an internet-based guided self-therapy system (IBGST), where people work at home and a therapist is remotely involved. We propose to enrich an IBGST with a virtual coach to motivate and assi...

We describe a portable coaching environment used within a domain-independent inquiry-learning infrastructure. This coach reasons about a student’s knowledge and offers pertinent, domain-specific feedback. It promotes good inquiry behavior by critiquing the student’s hypotheses and supporting data and relationships among propositions. Four inquiry tutors in separate disciplines have been develop...