Betsy, a teenager, uses most of her after-school hours in ei…

Betsy, a teenager, uses most of her after-school hours in either playing tennis or watching movies. She barely manages to concentrate on her lessons for a couple of hours before exams. Being questioned about her substandard performance in school, she points out the teacher’s inability to complete the entire course during the school hours as the possible reason. Betsy’s behavior is most likely to be associated with ________.