Learning Table Four: Experiments

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What is a laboratory experiment?
It is a research technique where the researcher manipulates an IV and measures a DV in controlled artificial conditions.
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In a laboratory experiment what is the experimental group?
The group that is manipulated.
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In a laboratory experiment what is the control group?
The group that is not manipulated.
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Give an example of a laboratory experiment study.
Philip Zimbardo, who investigated the effect of prison on the behaviour of the prisoners and guards.
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What are the theoretical/practical/ethical advantages of laboratory experiments?
Highly reliable, able to make predictions and establish cause and effect relationships, they are objective, no need to wait for the events to occur naturally.
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What are the theoretical/practical/ethical disadvantages of laboratory experiments?
Low in validity, not representative, difficult to identify/control all the variables, informed consent, deception.
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What is a field experiment?
A study where the researcher manipulates an IV and measures a DV in the natural environment.
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Give an example of a field experiment study.
Rosenthal and Jacobson, manipulated teacher expectations on student abilities to see the effect of labelling on achievement.
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What are the theoretical/practical/ethical advantages of a field experiment?
They are more valid than a laboratory experiment, pps behaviour more natural, the method is standardised and easy to repeat/retest.
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What are the theoretical/practical/ethical disadvantages of field experiments?
There is less control over the variables, there are ethical problems such as deception,informed consent and protection form harm.
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what is the comparative method?
A thought out method which doesn't involve experimenting on real people but making comparisons between individuals, groups or societies through time.
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Give an example of a comparative method study.
Durkheim, suicide.
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What are the theoretical/practical/ethical advantages of comparative methods?
Avoids creating artificial situations, useful for making predictions, can be used to study past events and it's doesn't harm or deceive anyone.
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what are the theoretical/practical/ethical issues of comparative methods?
There is a lack of control over variables, it is also difficult to make comparisons between countries as data is often collected differently.
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Card 2

Front

In a laboratory experiment what is the experimental group?

Back

The group that is manipulated.

Card 3

Front

In a laboratory experiment what is the control group?

Back

Preview of the front of card 3

Card 4

Front

Give an example of a laboratory experiment study.

Back

Preview of the front of card 4

Card 5

Front

What are the theoretical/practical/ethical advantages of laboratory experiments?

Back

Preview of the front of card 5
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