Time-based competition is not a waste of time – The Manila Times – The Manila Times

“It can, however, be a characteristic feature of some mental health issues” like attention deficit hyperactivity disorder, depression, obsessive-compulsive disorder, and anxiety. In her book “Tools for Teaching” (2009), Barbara Gross Davis says that “student attention during lectures tends to wane after approximately 10-15 minutes.” A recent study however, claims the 10-minute attention span has worsened, radically dropping to eight seconds compared to that of a goldfish at nine seconds.

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