there show 001 applying taught sidikalang aimed table keyword text descriptive student wa jigsaw collecting medan research significantly control grade writing higher ABSTRACT 2015 language analyzed calculation 111 study affect english art group than without department data instrument conducted SMK two technique sample state finding 0observed design using significance namely university freedom 2112121016 level faculty experimental used population test while thesi napitupulu degree lamtiar tenth out achievement jetti randomized mean effect