research methods

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What is a quasi experiment ?
Not a true experiment as the iv is not manipulated by the researchers. 2 types natural experiment and difference study.
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What is a natural experiment
not possible or practical to change IV
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what is a difference study?
the IV is not something that varies already an existing condition
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what are the advantages
allows research the would of otherwise been unethical, more realistic and can study real problems
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what are the disadvantages
can't assume it is the IV that results in the change so can't assume cause and effect and lack population validity
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what do observations do?
measure the behaviour of the DV
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what is instructed observations?
record and write down everything you see- time consuming may not be writing relevant behaviour
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what is strutted observations?
organised system to observe behaviour e.g. behaviour categories and sampling
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what is over?
participant is aware they are being studied - more ethical but less natural behaviour
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what is covert?
particapant isn't aware they are being studied- more realistic behaviour but not ethical
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what is participant observing?
become part go group - can influence or become subjective
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what is nonparticipant observing?
observe as an outsider so can remain objective
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Is observational research reliable?
Time consuming have to make sure all researchers observe the same for good inter observer reliability= 80% agreement
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Card 2

Front

What is a natural experiment

Back

not possible or practical to change IV

Card 3

Front

what is a difference study?

Back

Preview of the front of card 3

Card 4

Front

what are the advantages

Back

Preview of the front of card 4

Card 5

Front

what are the disadvantages

Back

Preview of the front of card 5
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