Observational research includes ______ and ______ .
举一反三
- Research based on observational methods can be broadly classified as ______ or qualitative research.
- Research<br/>based on observational methods can be broadly classified as<br/>______ or qualitative research.
- Simple as it is, a BA thesis proposal includes all the elements in a grant research proposal.
- The first stage of scientific method includes expressing a research question and _______ an answer to it. A:
- Which part of the scientific process is observational research best suited for？（ ） A: Generating answers B: Generating questions C: Establishing theories D: Refuting theories