Caps on section size may be more arbitrary than evidence-based (at least for section sizes up to 30 based on courses in our sample).

FORBES: More Interaction In Online Courses Isn't Always Better

Hours after a judge struck down the 16-ounce size limit for sodas and some other sweet drinks as arbitrary and outside city health regulators' purview, Bloomberg defended it as a groundbreaking anti-obesity effort and all but challenged businesses to comply out of concern for their customers.

NPR: Mayor Vows To Press On After NYC Soda Rule Nixed