Across
- 2. self-administered responses in writing to a set of questions
- 4. the occurrence of external events that take place concurrently with the independent variable, and can affect the outcomes
- 5. achieved through accurate measuring tools, controls over confounding variables, and powerful statistical methods
- 6. the threat that arises from attrition in groups being compared
- 8. concerns whether inferences without observed relationships will hold over variations in persons, setting, time or measures of outcome (2 words)
- 9. assessment of the worth of a program (2 words)
- 16. processes occurring within participants during the course of the study as a result of passage of time
- 17. determines whether the benefits of the program outweigh the monetary costs (2 words)
- 18. surveys developed as a tool for short-term forecasting
- 20. studies designed to assess clinical interventions (2 words)
Down
- 1. the bias that reflects changes in measuring instruments or methods of measurement between two points of data collection
- 3. given an empirical relationship exists, it is the independent variable, rather than something else, that caused the outcome (2 words)
- 7. the ability to detect true relationships among variables
- 10. investigations of the ways of obtaining high-quality data and conducting vigorous research (2 words)
- 11. reasons that an inference could be wrong (3 words)
- 12. focuses on developing information needed by decision makers about whether to adopt, modify or abandon a program, practice, procedure or policy (2 words)
- 13. research estimating the needs of a group, community, or organization (2 words)
- 14. responses from an entire population
- 15. assesses the program's net impacts (2 words)
- 19. "the approximate truth of an inference"