1. Variables

2. Independent Variables
Something that an experimenter can manipulate to determine the effect
Example
Studying the effect of warm temperatures on human behavior
Temperature
Behavior
Environment

3. Dependent Variables
The behavior or object that the observer is trying to measure and is based on the independent variable
Example
Behavior

4. Controlled Variables
Something that you will be keeping the same during your entire experiment or observation
Example
Environment

5. Experimental and Control Group
Experimental Group
Control Group
Members of this group receive the treatment
Observe the actual behavior or action based on the independent variable
Members of this group do not receive the treatment
Baseline data on behavior

6. Placebo Effect Placebo Placebo Effect
Substance or treatment that has no effect on the individual apart from that persons belief that is has an effect
Placebo Effect
People have a belief that they are getting treatment and will behave as if they are receiving treatment