| http://www.w3.org/ns/prov#value | - Moreover, Applicant incorporates herein by reference any and all U.S. patents, U.S. patent applications, and other documents cited or referred to in this application or cited or referred to in the U.S. patents and U.S. patent applications incorporated herein by reference.BACKGROUND OF INVENTION [0002] Teachers are constantly challenged to devise ways to motivate their students to change their beha
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