AQA Psychology - Research Methods - Types of Experiment
Laboratory Experiment – conducted in a controlled setting; high control over variables. Field Experiment – carried out in a natural environment; IV is still manipulated.
What are four types of experiments?
Laboratory
Field
Natural
Quasi
Key Terms
What are four types of experiments?
Laboratory
Field
Natural
Quasi
What is a laboratory experiment?
Controlled environment
Extraneous and confounding variable regulated
Participants go to researchers
<...
What do experiments allow us to do?
-Study causation (cause and effect)
What are the 3 key features of a true experiment?
Manipulation of an independent variable (IV)
Randomisation of participants to conditions
Control of extraneou...
Strengths of Laboratory Experiment:
Extraneous/confounding variables controlled = high internal validity
-Easily replicated = standardised
Limitations of Laboratory Experiment:
Lack generalisabilty = artificial setting
Low external validity (ecological validity + mundane realism)
Deman...
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| Term | Definition |
|---|---|
What are four types of experiments? |
|
What is a laboratory experiment? |
|
What do experiments allow us to do? | -Study causation (cause and effect) |
What are the 3 key features of a true experiment? |
|
Strengths of Laboratory Experiment: | Extraneous/confounding variables controlled = high internal validity |
Limitations of Laboratory Experiment: |
|
What is a field experiment? |
|
Strengths of Field Experiment: |
|
Limitations of Field Experiment: |
|
What is a natural experiment? |
- DV may be naturally occurring or measured by experimenter |
Strengths of Natural Experiment: |
- High ecological validity |
Limitations of Natural Experiment: |
|
What is a quasi experiment? |
- Naturally or measured DV |
Strengths of a Quasi-Experiment: |
|
Limitations of a Quasi-Experiment: |
|