000 00684naa a2200169 4500
001 148387
090 _a148387
100 _a20040322 y0pory5003 ba
200 1 _aExplaining within-semester changes in student effort in junior high school and senior high school courses
_fDouglas Maciver, co-aut. Deborah Stipek, co-aut. Denise Daniels
461 1 _aJournal Of Educational Psychology
_vVol. 83, nÂș 2 (1991), p. 201-211
606 1 _aPsicologia e Educacao
686 _a3500 - Psicologia Educacional
700 1 _aMaciver
_bDouglas
701 1 _aStipek
_bDeborah
701 1 _aDaniels
_bDenise
856 4 _uhttps://catalogo.ispa.pt/opac/biblioteca/localizacao_doc/r4.htm