Experimental Methods

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What is meant by the term 'lab experiment'?
A study conducted in a controlled environment, where the IV is manipulated to measure the effect on the DV. This is the only method we can use to establish a cause-effect relationship.
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Give one advantage of using a lab experiment.
High level of control of all variables reduces the effects of confounding variables.
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Give one disadvantage of using a lab experiment.
Lacks ecological validity as they are carried out in an artificial environment, so may not reflect everyday life.
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What is meant by the term 'field experiment'?
An experiment which is conducted in a more natural setting. The researcher is able to manipulate the IV and observe the effects by measuring the DV.
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Give on advantage of using a field experiment.
High ecological validity due to the environment being very similar to everyday life meaning we can generalise the results.
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Give one disadvantage of using a field experiment.
Confounding variables are less easy to control due to the experiment taking place in the real world.
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What is meant by the term 'natural experiment'?
Where the IV is a naturally occuring phenomenon and the researcher simply observes the effect on the DV.
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Give one advantage of using a natural experiement.
High ecological validity due to the experiment taking place in a natural environment meaning we can generalise the results.
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Give one disadvantage of using a natural experiment.
No or very little control over confounding variables which could reduce the internal validity.
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Card 2

Front

Give one advantage of using a lab experiment.

Back

High level of control of all variables reduces the effects of confounding variables.

Card 3

Front

Give one disadvantage of using a lab experiment.

Back

Preview of the front of card 3

Card 4

Front

What is meant by the term 'field experiment'?

Back

Preview of the front of card 4

Card 5

Front

Give on advantage of using a field experiment.

Back

Preview of the front of card 5
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