Not exact matches
But there might be other factors in play; research found a
popular American math
textbook is more challenging
than South Korea's
textbook, but South Korean kids still are much better at math.
Six
popular textbooks comprising a total of more
than 5,000 pages were examined, and 1,055 distinct references to technology were identified.
Textbooks and cookbooks are also much more
popular in print
than in digital, studies show.