Glossary

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Sample
The participants used in the study
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Volunteer
Participants self select. Participants volunteer themselves
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Opportunity
Selecting participants based upon who is available and willing rather than attempting to recruit target populations
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Random
Randomly selecting from within a apopulation
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Systematic
Instead of using a random method of selection we choose every Nth person
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Stratified
A strata is a sub group. Participants selected from sub groups within the population. Sample needs to accurately represent the whole population
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Validity
Refers to a tests ability to measure what it's supposed to meausre
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Internal validity
Refers to whether the effects observed are due to the manipulation of the independent variable and not a different factor
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External validity
Refers to the extent to which the results of a study can be generalised to other settings, other people and over time
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Population validity
How representative of the general population the sample was
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Ecological validity
Whether the findings of the study can be applied to real life situations
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Historical validity
Old studies may suffer from low historical validity as culture and society changes
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Reliable
How much can we trust the results to be correct. Unreliable studies have weak methodology and few controls
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Mundane realism
How close to real life are the materials and procedures used in a certain study? Can the findings of an experiment be applied to real life tasks?
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Generalisable
The extent to which the findings can be generalised to the rest of the population
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Androcentric
Refers to a bias in psychological research where it focuses on the male perspective
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Ethnocentric
Where the research focuses on one country, race or culture
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Other cards in this set

Card 2

Front

Participants self select. Participants volunteer themselves

Back

Volunteer

Card 3

Front

Selecting participants based upon who is available and willing rather than attempting to recruit target populations

Back

Preview of the back of card 3

Card 4

Front

Randomly selecting from within a apopulation

Back

Preview of the back of card 4

Card 5

Front

Instead of using a random method of selection we choose every Nth person

Back

Preview of the back of card 5
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