terminology

6. A basic principle that is accepted as being true based on logic or reason, but without proof or verification
8. The entire set of individuals (or objects) having some common characteristics
10. An attribute of a person or object that varies, that is, takes on different values (e.g., body temperature, age, heart rate).
12. Information collected in narrative(nonnumeric) form, such as the transcript of an unstructured interview
13. The process of selecting a portion of the population to represent the entire population subject An individual who participates and provides data in a study; term used primarily in quantitative research
14. the investigation of phenomena that lend themselves to precise measurement and quantification, often involving a rigorous and controlled design is called ______ research
15. The definition of a concept or variable in terms of the procedures by which it is to be measured.
17. Systematic inquiry that uses orderly, disciplined methods to answer questions or solve problems

1. A variable that confounds the relationship between the independent and dependent variables and that needs to be controlled either in the research design or through statistical procedures
2. Systematic inquiry that uses orderly, disciplined methods to answer questions or solve problems
3. A statement of predicted relationships between variables.
4. An attribute of a person or object that varies, that is, takes on different values (e.g., body temperature, age, heart rate).
5. A subset of a population, selected to participate in a study.
7. The degree to which an instrument measures what it is intended to measure
9. The pieces of information obtained in the course of a study
11. Information collected in narrative(nonnumeric) form, such as the transcript of an unstructured interview
16. A situation involving an enigmatic, perplexing, or conflictful condition that can be investigated through disciplined inquiry called research______