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14 Cards in this Set
- Front
- Back
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Validity
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A measure is valid if it actaully measures what it purpurts to measure
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Reliabilty
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It gives the same results again and again if the measure is repaeted. It has to do with how dependable a mirror mearues
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Random Error
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If on average the measure of a concept tend to be true, we can assume that any error encourtered is random.
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Independent variable
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Causes the dependent variable, (column)
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Dependent variable
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Influences the indpendent variable, (rows)
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Level of measurement
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The realtionship among the values that are assigned to the attributes for a variable
(Party Affiliation) |
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Alternative hypothesis
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Testing to see if there is a relationship between tow variable
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Nominal Measurement
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Categorical and non quantative
Politcal ideology, ethnicity religion |
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Median
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The middle of the spectrum, 50% is on one side and 50% is on the other.
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Mode
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Means the most frequent response
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Mean
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The average betwen two different variables. If you were to total the sum of all the variables and then divide them.
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Null Hypothesis
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There is no relationship between the variables.
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Ordianl measurement
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Rank on some dimension wih out knowing # of of options.
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Interval measurement
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measures the diffeence between respondent.
aGE, YRS IN NM) |
