BACKGROUND Cheerleaders suffer nearly half of catastrophic injuries observed in female scholastic athletes in the United States. However, incidence of noncatastrophic injury in this population has not been described. HYPOTHESIS Coach, athlete, and injury circumstance variables may predict the injury rate among cheerleaders. STUDY DESIGN Prospective cohort. METHODS The authors investigated...

Multivariate sequence mining and classification are important and challenging tasks. They can be applied to numerous domains including medical diagnosis, handwriting deficiency diagnosis, identification of users for security or personalized TV services, and even transportation and traffic planning. The problem we address in this dissertation is classification of multivariate sequences. Multivar...

v Chapter 1: Introduction 1 1.1 SAR Exercise Coach . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.1.1 Motivating Behavior Change . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.1.2 SAR Exercise Coach Methodology and User Studies . . . . . . . . . . . . . . . . 5 1.2 Spatial Language-Based HRI Methodology . . . . . . . . ...

1 Institute for the Learning Sciences, Northwestern University {forbus ureel jbaher skuehne } @ils.nwu.edu 2 Xerox Palo Alto Research Center [email protected] 3 Department of Mechanical Engineering, Northwestern University [email protected] Abstract Several barriers hinder the widespread application of AI-based educational software. School and student machines are often underpowered, keep...

We present a rationale for studying long-term human-robot interaction and explain why new applications are necessary for this type of experimentation. The design and implementation of a robot that has been implemented is briefly described with the outline of a study that is under way.

The purpose of this study was to determine the prioritization and comparison of communication skills as a selection criterion of Iran's national table tennis coach from the sport elites perspectives. As this was a descriptive study, survey methodology was employed. The study population consisted of 100 table tennis sport elites of whom 80 subjects were randomly selected using the Morgan table. ...

Alongside knowledge and understanding of the sport (what to coach) strategies support learning (how coach), critical reflection is an important feature high-quality coaching practice. Accordingly, there a clear need for evidence-based tools frameworks appreciating developing coaches’ skills, through coach education programs. The purpose this study share results intervention intended develop ski...

The purpose of this study was to test a motivational model of the coach-athlete relationship, based on self-determination theory and on the hierarchical model of intrinsic and extrinsic motivation. The sample comprised of 608 athletes (ages of 12-17 years) completed the following measures: interest in athlete's input, praise for autonomous behavior, perceived autonomy, intrinsic motivation, and...