Physical Activity Research Has Become More Popular Over the Years

Multiple Choice

Physical activity research has become more popular over the years. One researcher wanted to examine cognitive abilities at different points in a triathlon competition. He had 10 different participants that he and his assistants monitored during the swimming, biking, and running portions of the triathlon. The total time to completion was approximately 12 hours. The researcher should be most concerned with _____ when reviewing his data.

A) fatigue effects
B) carryover effects.
C) practice effects
D) sensitization effects