00290pab a2200121 454500008004000000100001400040245005700054260000900111300001400120362000800134650001500142773001100157180718b2010   xxu||||| |||| 00| 0 eng d  aRen, Ting  aValue congruence as a source of intrinsic motivation  c2010  ap.94-109.  aFeb  aMotivation  aKyklos