In debate a student claims that too much time spent online has reduced people's attention spans. Which of the following could be evidence to support his claim?
A. A description of the student's own observations of people spending time online
B. Results from a scientific study done on human attention span over the course of the past two years
C. A summary of the book from 1998 is on the topic of how people focus
D. Quotes from a blog essay that focus on how people are not paying attention to their surroundings anymore
1 answer
B. Results from a scientific study done on human attention span over the course of the past two years