Problematic Internet use and attitudes towards persons with disabilities - cross-sectional research among Polish students.

Background: Problematic Internet use (PIU) can have detrimental effects on physical, emotional, psychological, and social functioning. Besides well-described PIU correlations in psychological domains such as personality traits, or life satisfaction, and self-assessment, the social aspect of PIU risk also appeared to be important. This study aimed to investigate the association between PIU and attitudes towards persons with disabilities.

Pacing Strategy Models in 1500 m Male Freestyle Long-Course Swimming on the Basis of the All-Time Ranking.

In long-distance swimming competitions, a pacing strategy is of considerable importance for the final result and for sporting success. The paper presents the pacing strategy models of the all-time best competitors in 1500 m male freestyle long-course swimming. The top 60 scores were retrieved from official websites.