Term
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Definition
Process of selecting representative units of a population for study.
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Term
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Definition
| Sampling information can usually be found in the _____ section. |
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Term
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Definition
Well-defined set with specific properties.
Ex. humans, medcal records, specimens |
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Term
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Definition
| The entire set of cases about which the researcher would like to make generalizations. |
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Term
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Definition
| Available population that meets the criteria. |
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Term
| Inclusion & Exclusion Criteria (aka Eligibility) |
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Definition
Determine the subjects used in a study- defines criteria used to include or exclude subjects.
Must be explained by the researched.
Control for extraneous variables or bias. |
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Term
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Definition
| A sample is a set of ____ that make up the poulation. |
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Definition
| more efficient, cost-effecive & feasible |
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Term
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Definition
| Sample should be _______ - has the same key characterisitics of the entire poulation. |
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Term
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Definition
Inclusion is NOT random.
Less generalizable & representative.
3 type: convience, quota, purposive |
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Term
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Definition
Uses randomization to choose units.
More generalizability & represntative.
3 types: simple random, stratified random, cluster |
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Term
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Definition
| Use of most readily accessible persons. Easy to recruit subjects. Highest risk of bias. |
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