PSYC 1010 Final: 1010 exam ch1 PDF

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Chapter 1 1010 exam study
Branches of statistics
Descriptive: group of numerical observation
Inferential: general estimates about larger population
Types of variables
Discrete observation: whole numbers, ex scales
Nominal: categories
Ordinal: ranks, whole numbers (1st,2nd…)
Continuous observation: full range can be decimals
Interval: scale, with no real 0
Ratio: has scale like interval but with real 0
Reliable: measure is consistent
Valid: measure is one that measures what it was internet to measure
Formats for experiments
Between-group design: which participants experience one and only one level of the
independent variable
Within-group deign: which all participants in the study experience the different
levels of the independent variable
Levels: the discrete values or conditions that variables can take one
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