So it can be expected to represent population and every school has many students to be a sample. 6 The sample is taking of a part population using certain procedure. Student Total Male Female Aji Heru Pambudi,S.Pd Syi aruddin Isriati Basya, S.S Total Table 2.2 The list of total population Arikunto states that sample represent a part of research population. 4 In this research, the population is the students of Private Junior High School in Sub-districts of Ngaliyan Semarang in Academic year of 2016/ Sugiyono, Metode Penelitian Kuantitatif, Kualitatif dan R&D, (Bandung: Alfabeta, 2010), p.13 4 Arikunto, Prosedur Penelitian Suatu Pendekatan Praktik, pģ List of Total student in population of student at Private Junior High School in sub-districts of Ngaliyan Semarang: 5 No School 1. Population Population is the entire research subject. Abdurrahman Saleh Table 2.1 The list of Private Junior High School in Sub-districts of Ngaliyan C. No School Address 1 SMP Hasanuddin 07 Jl.
Place and Time Based on the research design, this research was conducted in some school of Private Junior High School in sub-district of Ngaliyan Semarang and grade of Ninth semester in year of 2016/2017, the researcher chose some students in some schools and taken a many sample from student. Quantitative method is called because the research data in the form and figures and analysis using statistic. Rineka Cipta 2006)2 nd, p Arikunto, Prosedur Penelitian, pĢ objective, rational and systematic. This method as a method of scientific because it has meets the scientific norms, namely concrete, empirical, measurable, 1 Suharsimi Arikunto, Prosedur Penelitian: Suatu Pendekatan Praktik, (Jakarta: PT. This method is referred to positivistic method because it is based on the philosophy of positivism. The quantitative method usually called by traditional method, because this method is already long enough to use, so it has become a traditional as a method for research. 2 In this study, the results of interview the students and the teacher as a qualitative data used to find out the effect of certified English teachers quality. An analysis of qualitative data can be used to strengthen description of a quantitative data. Meanwhile, a qualitative data presented with words or symbol. 1 In this study, the results of actual interview as quantitative data used to find out the effect of Pedagogic competence on their certified English teachers. A quantitative data dealt with numerical data. Type of Research In this study, the research used Quantitative method.