000 00535nab a2200169Ia 4500
008 150824s9999 xx 000 0 und d
100 _aUrdan, Tim.
245 4 _aThe Goals behind performance goals /
_cTim Urdan, Miranda Mestas
260 _cMay 2006.
440 _aJournal of Educational Psychology
_n98 : 2, pages 354-365
521 _aPsychology
650 _aAchievement goals.
650 _aAdolescence.
650 _aMotivation.
942 _cA
_2lcc
998 _c74162
_d132525
999 _c71330
_d71330