421 PDS

Principles of Dental Public Health &Community Dentistry

SAMPLE of MIDTERM EXAM

Course Director: DR. SALWA ALSADHAN

* What is a scale? Define the different types
of scales.

* Define the following:

1. Case-control study

2. Cohort study

3. Power of a statistical test

4. Blind technique

5. Calibration

6. Random sample

* Describe the steps taken in planning an oral health program