__ Part 1: choose the best alternative (1.5 each) __ __ __ __ __ __ __ 1. When knowledge is obtained from individuals who are qualified producers of knowledge, the source of knowledge is said to __ A. Authority C. Reasoning B. Tradition D. Experience 2. All are the guidelines the researcher should follow to safeguard the interest of the respondents , except; A. Begin data collection by explaining the research benefit to the respondents B. Explain to the respondents that their rights and well-being will be adequately protected C. Be certain that interviewers obtain the informed consent of the respondents. D. If once agreed to replies the questions, the respondents must reply even sensitive questions E. None 3. One of the following is not the purpose of research A. To solve the problem D. To institute new organization B. To study human behavior E. None C. To identify variables of problems 4. __ refers to the extent to which a research can be generalized to population.situations and condition. A. Reliability C. Internal validity B. External validity D. All 5. The research that aims at finding solutions for immediate and practical problems facing a society. A. Fundamental research C. Applied research B. Pure research D. Conceptual research 6. The series of studies that is designed to provide a general understanding of the problem. A. Exploratory research C. Descriptive research B. Fundamental research D. Causal research