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7 Cards in this Set
- Front
- Back
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Reliablilty |
How much we can depend on an particular measurement (e.g. the findings). Any variation in how the research is conducted will reduce the quality of the effects being measured. (Re-test experiments) |
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Researcher Reliabilty |
The extent to which a researcher acts entirely consistently when carrying out an experiment. |
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Internal Reliabilty |
Consistency of measures used in an investigation. |
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External Reliabilty |
Consistency of a measure from one occasion to another. |
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Inter-Researcher Reliability |
When more than one researcher is working on a project, they will need to act in entirely similar ways (carrying out the same procedures etc.) Can be improved by: careful design of a study(taking into account the issues involved) or careful training of researchers (in the procedures and use of materials) |
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Split-Half Method |
Used to test consistency of items in the same test. Splits the psychological test/questionnaire into two parts after the data's been collected from participants. The two sets of data are correlated & a strong positive correlation shows it's reliable. |
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Test-Retest Method |
Used to assess the consistency or stability of a psychological test or questionnaire. Involves presenting the same participants with the same test or questionnaire on two different occasions. |
