Across
- 2. a research method in which information is obtained by asking many individuals a fixed set of questions about their attitudes or behavior
- 6. a sample group of a larger population in which subgroups within the larger population are represented proportionally
- 9. the small group of subjects, out of the total number available of a target population, that a researcher studies.
- 11. research method in which data are collected about a group of participants over a number of years to assess how certain characteristics change and remain the same during development
- 13. a research method in which the psychologist observes the subject in a natural setting and without manipulation or control on the part of the observer
- 16. in an experiment, the factor that the researcher deliberately controls or manipulates to test its effect on another factor
- 18. a sample group of a larger population selected in such a way that each subject within the population has an equal chance of being selected
- 19. in an experiment, a group of participants that is treated in the same way as the experimental group except that the experimental treatment (the independent variable) is not applied
- 20. an experiment in which the participants are unaware of which participants received the treatment
Down
- 1. a research method in which data are collected from groups of participants of different ages and compared so that conclusions can be drawn about differences due to age differences
- 3. a relationship between two variables in which one variable increases as the other variable decreases
- 4. a scientific procedure undertaken to make a discovery, test a hypothesis, or demonstrate a known fact.
- 5. a belief, prediction, or expectation that operates to bring about its own fulfillment
- 7. an experiment in which neither the experimenter nor the participants know which participants receive which treatment
- 8. in an experiment, the factor that is being measured that may or may not change when the independent variable is changed
- 10. the group of participants to which an independent variable is applied
- 12. a change in a participant’s illness or behavior that results from a belief that the treatment will have an effect rather than from the actual treatment
- 14. an in-depth research method that involves an intensive investigation of one or more subjects
- 15. a relationship between variables in which one variable increases as the other variable also increases
- 17. methods of conduct or standards for proper and responsible behavior