Green, SheridanMorgan, George A.2018-01-282018-01-282017-072064-2199http://hdl.handle.net/2437/247597motivationpersistenceelementary school studentsmastery tasksintrinsic motivationperson-oriented approachPatterns of Mastery Task Behavior in Early School-Age Children in the United Statesfolyóiratcikkopen access journalDebreceni Egyetemi KiadóHungarian Educational Research Journal22017Green, Sheridan,Morgan, George A.2018-01-30Thematic Articles0000-0003-2978-3988; Morgan, George A.