This document provides a brief overview of key research concepts for healthcare professionals, including the components of a hypothesis (independent variable, dependent variable, target population), the structure of the null, alternative, and equivalence hypotheses (comparing exposed and non-exposed groups in developing a given outcome), and a note wishing readers good luck in understanding these basic concepts.

1. Basic Concepts in Small Doses
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Weam Banjar; BDS., MS.

2. Disclosure
• None
• Basic concepts in small doses highlights basic
concepts in research particularly in areas of concerns
for health care professionals
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3. Hypothesis
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4. Banjar WM

5. Components
Target
Independent Dependent
population key
variable variable
characteristics
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6. Null Hypothesis
Structure:
There is no difference between exposed and non-exposed
groups in respect to the development of the outcome in
the target population
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7. Alternative Hypothesis
Structure:
There is a difference between exposed and non-exposed
groups in respect to the development of the outcome in
the target population
Banjar WM

8. Equivalence Hypothesis
Structure:
The exposed groups is as the same as non-exposed
groups in respect to the development of the outcome in
the target population
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9. Good Luck
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