posttest still average experiment instructional observer there outcome CONCLUSIONS conclude sufficient direct guided researcher next same some result student analysi learning medan research ability improve application perfect tcalculate 665 accurate les get control using grade want significant obtained SMA psychomotor who topic calculation give CHAPTER model 2nd presented effectively test about score question far possible got clas active while earlier based group school cognitive depend initial effective discovery time SUGGESTIONS order following data general discussion difference wave ttable domain side conducted guidance use two conclusion achievement XI each attention criteria testing suggestion characteristic one prepare more pretest high hypothesi