Background Prospective data collection is recommended for epidemiological studies and weekly (or every two weeks, or monthly) self-reported online questionnaires for athletes are frequently used.

The European Union confirmed sending out questionnaires to industry players as part of its probe into Google’s data-collection and advertising practices. The move comes “in the context of the ...

In 2013, the Oslo Sports Trauma Research Center Overuse Injury Questionnaire (OSTRC-O) was developed to record the magnitude, symptoms and consequences of overuse injuries in sport. Shortly afterwards ...

Random close RandomOccurring without a pattern. Unpredictable. sampling is where each member of a population is equally likely to be selected. Possible methods include using a random number generator ...