Research

2. the population researched in a particular study.
4. Variable, a variable that varies due to the impact of the independent variable.
7. a theory or analysis of how research does and should proceed.
10. Tendency, any way of describing or characterizing typical or average or common values in some distribution.
11. the range of values of a particular variable.
12. structured sets of questions on specified subjects that are used to gather information or opinions.
15. ordering of related phenomena into categories or groups according to characteristics or attributes.
17. the degree to which a study accurately reflects or assesses the specific concept that the researcher is attempting to measure.
18. Relationship, the relationship established that shows that an independent variable causes a change in a dependent variable.
19. a general explanation about a specific behavior or set of events that is based on known principles and serves to organize related events in a meaningful way.

1. a tentative explanation based on theory to predict a causal relationship between variables.
3. a statement which is made in response to the research question and that is affirmed with evidence based on research.
5. the target group under investigation.
6. a research condition in which no one except the researchers knows the identities of the participants in a study.
8. the chance that a phenomenon will occur randomly.
9. factual information used as a basis for discussion or calculation.
13. any characteristic or trait that can vary from one person to another or for one person over time.
14. the relation between cause and effect.
16. Study, the collection and presentation of detailed information about a particular participant or small group frequently including data derived from the subjects themselves.
20. Sampling, a process used in research to draw a sample of a population strictly by chance.