THE EFFECT OF COOPERATIVE LEARNING MODEL OF NUMBER HEAD TOGETHER (NHT) TYPE ASSISTED ANIMATION ON STUDENT’S LEARNING OUTCOMES OF X CLASS SMA 2 LINTONGNIHUTA A.Y. 2014/2015

ABSTRACT: Aims of study to determine the effect of cooperative learning model of NHTtype to learning outcomes of students in subject matter optical geometry inhigh school N 2 Lintongnihuta A.Y. 2014/2015.Kind of this research is quasiexperimental. The population in this research were all students of class XSemester II SMA N 2 Lintongnihuta which consists of two classes. Samplingwas done by purposive research by using two existing classes, namely classX Mia 2 were 26students as experimental class and the class X Mia 1amounted to 30 students as the control class. The instrument used is acognitive test in the form of multiple choice question number 20 and observation sheet of student’s activity. Experimental class was giventreatment by cooperative learning model of NHT type and grade control with conventional learning.

Before being given different treatment performed pretest, which is theaverage value of the experimental class pretest 48.65 with a standarddeviation 11.45 and the average value of the control class pretest 48.67 witha standard deviation 14.07. Second class pretest data testing showed thatboth classes of data were normally distributed and homogeneous. The testresults obtained pretest tcount<ttable (0.0057 <2,14) then H0 is received, itmeans the ability of students' initial experimental class and control class alike. Then given treatment that is experimental class with cooperative learning model of NHT type and grade control with conventional learning models. During thelearning processinthe experimental classlearning activities of studentsincreased, the meetingI59.79%, 72.07%meetingIIandIIImeeting of75.30%.After the study was completed, given postest with an average 66.53 for experimental class with a standarddeviation 11.64 and 48.66 with the control class standard deviation 14.07.On testing normality and homogeneity of data obtained postest that both classes of data were normally distributed and homogeneous. The data processing postest obtained that tcount= 5.1 and ttable = 2.14, so that t count > t table (5.1> 2.14) then Hareceived means there is influence of cooperative learning model of NHT type to students learning outcomes in optic geometry material to X class SMA N 2 Lintongnihuta A.Y. 2014/2015.

Keywords: Cooperative learning model of NHT type , animation, learning outcome, activity

Author: Nancy Alretni Mendrofa dan Jonny H. Panggabean

Journal Code: jpfisikagg160008

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