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11 Cards in this Set
- Front
- Back
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Define Reliability
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ability to measure the same thing over time
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Random error
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Fluctuation in measurement
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Validity
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Whether a measure is actually measuring what you have defined it to measure
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Assessing Reliability:
Test-retest reliability Alternate from reliability Split half reliability |
Test-retest reliability - A method in which the same measure is given to the same people at two different times
Alternate from reliability- A method in which the items in a measure are presented affect the ways in which people respond Split half reliability- means of evaluating internal consistency of a scale that compares one randomly selected half of a scale from the other randomly selected half of the same scale |
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Assessing Reliability:
Item-total reliability Inter-coder reliability |
Item total - Means of evaluating internal consistency of a scale that compares the total score for a scale with individual item scores for the same scale
Inter-coder - Indicator of how similar coders are coding content, both in terms of indentifying units of analysis and in the contextual labels they ascribe to those units. |
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Assessing Validity:
Face validity Criterion-related validity |
Face Validity - measures or procedures are looked at and questioned if they make sense at face value
Criterion-related validity - deals with how a particular measure holds up when compared to some outside criterion |
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Construct Validity
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Extent to which your variables are logically related to other varibles
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Issues of Credibility:
Member Checks |
Obtaining feedback on your research findings from representatives of the population under study.
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Issues of Credibility:
Data Triangulation |
Conducting more than one form of data collection to enhance the validity and credibility of your results
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Issues of Credibility:
Thick Description |
Allows the reader to validate the findings from themself
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Issues of Credibility: Peer Review
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Provides support by playing "devils advocate" challenges the researchers assumptions
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