Any changes in performance or behaviour between conditions are real changes and are not due to the fact that participants have changed
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What is a disadvantage of repeated measures design?
Order effects - e.g bored/tired or practice
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What is an advantage of independent groups design?
No order effects - participants can't get better by practice
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What is a disadvantage of independent groups design?
Any differences between two conditions could be due to the individual differences of participants
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What is an advantage of random sampling?
Gives a good cross section and is not bias
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What is a disadvantage of random sampling?
It's not practical
6 of 25
What is an advantage of opportunity sampling
It's very practical
7 of 25
What is a disadvantage of opportunity sampling?
It tends to give an unrepresentative sample
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What are the five things psychologists should do in terms of 'protection of participants'
Participants should: not be deceived, not be caused unnecessary distress, not be caused discomfort or embarrassment, not be causes physical harm, generally leave a study in the same state as when they entered
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What is an advantage of a laboratory experiment?
Researchers have a high level of control over all variables
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What is a disadvantage of a laboratory experiment?
Findings lack ecological validity; have more demand characteristics
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What is an advantage of a field experiment?
They have high ecological validity
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What is a disadvantage of a field experiment?
Researchers have less control over variables
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What is an advantage of questionnaires?
They can access peoples thoughts and feelings; it's easy to compare answers, it's easy to administer to a large group
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What is a disadvantage of questionnaires?
People may lie or exaggerate; respondents may misunderstand questions; researchers can't explore individual responses
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What is an advantage of interviews?
They can access peoples thoughts an feelings, people can double check what questions mean
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What is a disadvantage of interviews?
People may lie of exaggerate; people may not be able to express their thoughts and feelings
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What is an advantage of overt observation?
They are more ethical because participants would've given consent
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What is a disadvantage of over observation?
People may behave differently as they know they're being watched
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What is an advantage of covert observation?
People will behave naturally
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What is a disadvantage of covert observation?
It is hard to record data without being discovered
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What is an advantage of participant observation?
Researchers can experience situations from the participants point of view
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What is a disadvantage of participant observation?
Researchers can affect group gynamics
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What is an advantage of non participant observation?
The researcher can be more objective
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What is a disadvantage of non participant observation?
It's easier for the researcher to miss details of an activity
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Other cards in this set
Card 2
Front
What is a disadvantage of repeated measures design?
Back
Order effects - e.g bored/tired or practice
Card 3
Front
What is an advantage of independent groups design?
Back
Card 4
Front
What is a disadvantage of independent groups design?
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