Descriptive
Particular Group
Inferential
Beyond the particular group
Sample
Selected group (n)
Population
All members of a group (N)
Parameter
Collected from pop, describes pop
Estimate
Collected from samp, describe pop
Hypothesis
Prediction of results
Research
Want to happen (H2)
Null
Dont want (H0)
Directional
Specify Direction
Nondirectional
Want to see a difference
Variable
Quality that assumes more than one value
Independent Variable
Isnt impacted
Dependent Variable
Impacted
Extraneous Variable
Not directly studying
Confounding Variable
Extraneous var that is related
Control Variable
take cofounding into account
Nominal
Categories
Ordinal
Rank
Interval
Intervals between values on the same
Ratio
Zero means something