There's been a steady criticism of the lecture and direct instruction for several decades. Simultaneously, we've heard constant praise of Constructivism and new approaches.

Well, you know, we all want to save the world, as the Beatles said. But some of this constructivist stuff is just nonsense. This doctrine ends up prohibiting teaching. Kids are expected to go on the Internet and figure out everything for themselves.

 This is horribly inefficient for your typical middle school or high school student. Traditionally, kids were always being made to write little essays about some subject. This is good, in proportion. Constructivists are basically arguing that this one approach take over the schools. That is not good.

 Anyway, here is a discussion of why Constructivism has been over promoted.

http://savingourfuture.com/2015/08/dumbing-down-k-12-the-fast-way/

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PS:  Adventurous readers may enjoy seeing my four new novels on Lit4u.com (They are all e-books.)