CDH Ch 18

2. Global Oral Health Data Bank is managed by what organization?
4. Researchers are concerned with validity because they must ensure that research is ______.
6. what is the accuracy of a study, which is affected by procedures and controls used while conducting the study
10. one group surveyed at one point in time; assessment of the relationship of variables to the disease or condition measured
12. what is the study of the occurrence of health and disease in populations and how this knowledge
13. what study is used to answer questions and test hypothesis about an association between health and disease and other elements related to risks
18. what study is used to answer questions about disease in a population
19. when you have a good representation of a population and it is safe to generalize results to that population
20. what study is not manipulated but simply observed to detect how the outcome is affected
21. what trial is a well controlled and natural progression of a disease
22. what study is referred to as a developmental study and
24. one population or subset with common characteristics is observed and measured over time.
25. what is an interventional test that tests the hypothesis related to a comparative question and establishes a cause-and-effect relationship.

1. what study focuses on the comparison of existing population data previously collected for another person rather than data collected from individuals in which the exposure and outcomes are known for each individual
3. What is data provided for dental caries, periodontal disease, tobacco use, oral cancer, and other oral conditions and programs?
5. what trial is an example of testing the ability of a new power toothbrush to reduce gingivitis?
7. describes extent and distribution of disease or condition in a population, measured at one point in time.
8. compares previously recorded data from two or more populations
9. The length of the study can also affect the internal validity. Must be ___ enough to detect new disease, extension of current disease, and resolution of disease.
11. What trial is a trial that is carried out on people in the community who may or may not be patients.
14. what trial is a way to test an agent or treatment regimen in everyday conditions after its efficacy has been established
15. a group with disease is compared to a group without disease to establish functional relationships
16. Evidence-based practice requires an understanding of ____ research methods in order to be able to interpret research results and apply them to dental hygiene practice
17. what refers to the accuracy of the results of the study
23. How many analytical research studies are there