Experimental lab research - The basics of experimental lab research
4 important questions on Experimental lab research - The basics of experimental lab research
When do we speak of causality?
- X and Y co-occur (correlation)
- A logical explanation for the effect of X on Y is needed
- X proceeds Y in time
- No other cause (Z) explains the co-occurrence of X and Y
What are ways to manipulate the IV?
- Presence vs. Absence (bonus versus no bonus)
- Frequency (high bonus versus low bonus)
- Type (punishment v.s. Reward)
When to use lab experiments?
- When you need a lot of control over the research environment to rule out alternative explanations
- When the numver of independent (and moderator) variables is limited and when they can be manipulated
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What is an experimental condition?
example: low bonus, medium bonus and high bonus. The number of experimental conditions in this example is 3
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