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Related Flashcards
Cards In This Set
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Population
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A set of individuals of interest in a particular study
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Sample
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Set from the population intended to represent the population
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Statistic
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A value or number that describes the sample
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Paramenter
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A value or number that describes the population
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Independent variable (IV)
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What is being manipulated
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Dependant variable (DV)
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What is being observed and recorded
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Control variables
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Things that the researcher can control (eg. time, location)
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Continuous variables
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No fixed set of categories ( weight, # of siblings, reaction time)
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Descriptive stats
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Stat procedures used to decribe data from the sample
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Inferential stats
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Techniques that allow us to use information from samples to draw conclusions about the population
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Nominal data
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Categorical data (#'s that are given to runners)
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Ordinal data
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Ranked order (1st, 2nd, etc.)
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Interval data
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Differences and magnitude (temperature in Ferenheit), with arbitrary zero point (means nothing)
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Ratio data
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Differences and magnitude that has true zero and equal intervals (speed)
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Frequency
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Number of times something occurs
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