Front | Back |
Sample
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A microcosm of the pop you wish to study
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Why do we sample
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-saves time and money and you get an accurate representation of the study (greater ability to generalize)
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Population
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A well-defined se that has certain specified properties: people, animals, objects, or events.The entire group one wishes to describeRepresented by "N"
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Target Population
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The entire set of cases about which the researcher would like to make generalizations
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Accessible Population
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One that meets the population criteria and that is availableIt's what is used by the researcher
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Sampling Frame
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The list from which a sample is selected
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Sample
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A set of elements that make up the populationThose that are selected for the studyRepresented by "N"
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Element
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The most basic unit about which the information is collected
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Sampling
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The process of selecting a portion of the designated population to represent the population
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Representative Sample
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Sample whose key characteristics closely approximate those of the pop
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Eligibility Criteria
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Population description used to select the array of all possible units
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Exclusion Criteria
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Characteristics that restrict the pop to a homogenous group of subjects
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Response Rate
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Percentage of successfully contacted respondents who participate
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Sampling Error
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Subjects do not adequately represent pop
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Sampling Bias
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Subjects over/ under represent the pop on some characteristics
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