Population and Sample of Research

54 questionnaire where the answers are already available and just choose the most appropriate response on the real situation. 2. Documentation According to Arikunto 2013: 274, Documentation methods is seeking data on things or variables such as notes, transcripts, books, newspapers, magazines, inscription, meeting notes, ledger, agenda, and so on. In this research, documentation methods used to determine the completeness of the administration, such as lesson plans and syllabus. This method will be used on the input phase antecedents which will be evaluated the planning authentic assessment by teachers. 3. Observation Observation is used for research relating to human behavior, work processes, the phenomena of nature, and when respondents were observed not too large Sugiyono, 2015: 203. This research uses observation to see authentic assessment process conducting by teachers in Accounting Department at SMK Negeri 1 Pengasih. This observation is nonparticipant observation. During the observation, the researcher not directly involved with the activities being observed and only as an independent observer. Observations have to be designed systematically about what to observe, when and where it is. The assessment process and the interaction between teachers and students are the focus of observation by researcher. 55

F. Research Instruments

According to Arikunto 2013: 192, ‘the research instrument is a tool at the time of the research using something method.” The research instrument is a tool used to collect data and customize with the research method used. There are some of the research instrument used by researcher based research methods used: 1. Quantitative Instrument a. Grating Questionnaire Grating questionnaire designed to help researcher in formulating the questions in the questionnaire that will be given to the respondent. Grating questionnaire are guidelines for the preparation of the questionnaire itself. Questionnaires designed by the researcher will be given to two different respondents, there are students and teachers in Accounting Department at SMK Negeri 1 Pengasih. Therefore, this study requires two kinds of grating questionnaire. The lattice contains a list of questions that will be filled by the respondent based on the actual conditions in the field. The questions are related to the implementation of authentic assessment that has been conducted by teachers in Accounting Department from the planning, implementation up to the phase of follow-up assessment.