The formal, objective, systematic process using measurement, hypothesis-testing and data analysis is Research.

Here are the answers to the questions:

11. The formal, objective, systematic process using measurement, hypothesis-testing and data analysis is Research.
12. This type of research stresses natural settings, understanding verbal narratives and uses flexible designs and is useful for Applied research, Exploratory research, and Focused study of a particular situation is Qualitative method.
13. The type of research that Utilizes both quantitative and qualitative data collection methodologies is Mixed method.
14. The data which are collected from the place of origin is known as: Primary data.
15. Population refers to those from which samples are specifically chosen or selected for research.
16. A scientific process that validates and refines existing knowledge and generates new knowledge that directly and indirectly influences clinical nursing practice is Evidence-based practice.
17. Clinical decisions based on the best research evidence, their clinical expertise, and the health care preferences of their clients are known as: Evidence-based practice.
18. The difference between the better situation that people desire and the present unsatisfactory situation is known as Research problem.
19. A study where observations are taken at one time, like a snapshot of participants, especially where the aim is to determine prevalence is a Cross-sectional study.
20. Non-experimental research where the researcher may utilize self-report measures that looks at many cases across a few variables, and relate one to another but do not demonstrate causality is Correlational research.