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10 Cards in this Set
- Front
- Back
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Sample Bias
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Fault of researcher. Bias occurs when sample differs significantly from population because of something the researcher did wrong
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Sample error
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No fault of researcher occurs when sample differs significantly from the population because of random chance differences.
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Interval Scale
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Equality of units. The interval requires equal distants between the points.
Ex. Degree, Grades, etc. |
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Judgment Sampling
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Researchers use his or her judgement to create a sample that is believed to be a representative of the population.
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Quota Sampling
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Usually an interviewing a certain number of people are provided by request.
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Cluster Sampling
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Groups rather than individuals are randomly selected
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Systematic Sampling
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Individuals are selected from a list by taking every Kth name etc.
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Stratified Sampling
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A equal number of people from each subgroup is selected
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Nominal Scale
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Catergorized groups as females/male freshman/seniors. Expressed as names or numbers
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Ordinal Scale
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Scaling is used. Ranking of an object, one is bigger, better or more but no distinction of how much more.
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