Across
- 1. What is one online source of secondary data?
- 3. What type of sampling gives every member of a population an equal chance of selection?
- 5. ,What type of hypothesis states that two variables are related?
- 7. Which statistical method is used to predict a dependent variable based on one or more independent variables?
- 12. ,Which type of data is primarily analyzed using the Chi-square test?
- 13. Which research design is used to explore a problem that is not clearly defined?
- 16. Which research describes the characteristics of a population?
- 17. What is a small trial run of a questionnaire before the main survey called?
- 18. Which Greek letter denotes the population standard deviation?
- 20. What sampling method divides a population into groups before selecting samples?
Down
- 2. What does the Z-score measure?
- 4. What is the average value of a set of observations called?
- 6. What is the property of a research instrument that ensures consistent results across repeated measurements?
- 8. What type of research is conducted to gain preliminary insights into a problem?
- 9. Which method collects data by asking people questions directly?
- 10. Which factor primarily determines the selection of participants in convenience sampling?
- 11. Which ethical principle protects participants' personal information?
- 14. What type of correlation occurs when two variables move in the same direction?
- 15. What is the opposite of accepting a null hypothesis?
- 19. Which sampling method involves existing participants referring new participants for a study?
