Based on nature of information, what are the major types of research? A: Descriptive research & Analytical research. B: Theoretical research & Library research. C: Empirical research and Field research. D: Applied research and Theoretical research.

To enable other researchers to replicate the research method, the researcher needs to provide detailed and sufficient information to allow others to redo the work when they want to.（ ）

The research proposal can __________. A: clearly and systematically present the research problem and objective B: indicate the significance and introduce the specific methodology and research procedures synthesize current knowledge, seek gaps and formulate a plan to address the problem C: synthesize current knowledge, seek gaps and formulate a plan to address the problem D: provide a timetable for the study and a budget of the investigation or experiments

In an empirical research paper, we must report our research completely and accurately.

With the work(do)_____,these scientists began to plan another research project.