activity there outcome nanda rejected ACTIVITY taught eska MATCH index result keyword student MEDAN learning medan research ecosystem control academic multiple grade 217 INDEX ABSTRACT sheet card hypothetical SMA who topic conventional 675 ON model match observation about 2014 MODEL 161 clas ACADEMIC group NEGERI cognitive accepted negeri EFFECT data 4103342010 instrument nasution SD anugrah two IN CARD year iii experiment sample OF increased YEAR 2013 non know using compare obtain 6696 choice STUDENTS OUTCOMES form TOPIC used otherwise thu GRADE test proved also ha quasy LEARNING showed NIM aim 669 mean effect ECOSYSTEM