Psychological methods

4. sample a sample drawn in such a way that known subgroups within a population are represented
6. observation The study of behavior in a controlled situation
7. method A type of research in which the same people are studied over a long time Period
9. a prediction, or assumption about behavior that is tested through scientific research
12. correlation A relationship between variables, in which one variable increases as the other variable also increases
13. group In an experiment, the group that does not receive the treatment
14. A research technique for acquiring data about the attitudes or behaviors of a group of people
16. study an in-depth study of a single person, or a group to reveal some universal principle
17. The relationship between variables
18. correlation An unpleasant stimulus between two variables, in which one variable increases as the other variable decreases

1. A controlled scientific procedure to determine whether certain variables manipulated by the researcher
2. population the total group to be a stud or described, and from whom samples may be drawn
3. observation The study of behavior in naturally occur situations without manipulation or control on the part of the observer
5. bias the concept, that people who volunteer to participate in research studies, often defer from those who do not volunteer
8. A representative segment of a target population
10. An inert substance used in controlled experiments
11. To repeat a research study, usually with different participants and in different situations
15. sample A survey selected by chance which fairly represents the general population
19. consent Agreement by an individual to participate in research after receiving information about the purpose of the study
20. rules and standards for proper and responsible behavior