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What is Mystery shopping? Mystery shopping is market research methods to check the quality of products, customer service and collect data competitor-specific information. Random select real customer with reasonable and…

Interview it is a method of collecting data for social scientists. It is a conversation between the researcher and the informant for the purpose of data collection. The most common…

Questionnaire is a question to ask people who know the information we want to know. You can inquire the questionnaire for yourself or send the questionnaire to fill out in…

     1. Documentary Data      Data Collection from documents data is a first step in research. Specific using documents to analyze research problems. Benefits in 3 steps, first step the researcher will…

Research means process of seeking knowledge to answer questions or problems that exist systematically and has a clear objective. The research questions were determined obtained from studying documents and direct…