Unformatted text preview: population. 5. Cause-and-effect conclusions can not generally be made on the basis of an observational study. 6. Cause-and-effect conclusions can generally be made on the basis of randomized experiments. 7. A statistically significant finding does not necessarily have practical significance or importance. When a study reports a statistically significant finding, find out the magnitude of the relationship or difference....
View Full Document
- Fall '08
- Statistics, Statistical significance, representative, statistically significant finding, cause-and-effect conclusions