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16 Cards in this Set
- Front
- Back
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A statistic describing the correspondence between scores/ratings on two different variables, ranging from -1 to +1
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correlation coefficient
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Statistics that summarize data by describing their general trends or characteristics.
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descriptive statistics
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A table that shows the number of subjects falling into several subdivisions of a larger group on a variable of interest.
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frequency distribution
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A graphic representation of the data in a frequency distribution.
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histogram
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Statistics that allow researchers to determine how likely it is that the results found in a particular study reflect real-world differences instead of simply differences between the relatively few subjects in the research sample.
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histogram
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Statistics that allow researchers to determine how likely it is that the results found in a particular study reflect real-world differences instead of simply differences between the relatively few subjects in the research sample.
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inferential statistics
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The arithmetic average of the values in a data set.
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mean
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The central value in a data set, at which half the values are larger and half the values are smaller than the value in question.
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median
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The most common value in a set of data.
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mode
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Any data results that exist far removed from a main cluster of data.
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outliers
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The entire group of potential research subjects.
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population
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The consistency with which something is measured.
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reliability
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A research sample whose traits are reflective of those of the population as a whole.
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representative sample
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A set of subjects chosen from the overall population who will be used in research efforts.
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sample
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The degree to which research results have not occurred by chance.
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statistical significance
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The ability to accurately measure or predict the logical correctness of some proposition or conclusion.
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validity
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