taken classe sitompul sample study video affect consisted population test state show rejected 381 048 performance binjai formula taught art lecture clas value indicate deal through table based thesi result keyword group text student wa negeri analysi collecting degree medan research than parallel tenth speaking storytelling significantly data control instrument using grade conducted SMK 2111521008 university magdalena higher 2016 two achievement freedom ABSTRACT technique null observed mean narrative language effect faculty AK analyzed hypothesi novawina experimental