Psychology1000
Terms
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- characteristic of an observation that allows one to draw accurate inferences from it
- validity
- tendency for an operational definition and a property to share meaning
- construct validity
- tendency for an operational definiton to be related to other operational definitions
- predictive validity
- tendency for a measure to produce the same result whenever it is used to measure the same thing
- reliability
- complete collections of objects or events that might be measured
- population
- partial collection of objects or events that is measured.
- sample
- properties whose balues can vary across individuals or over time
- variables
- pattern of covariation; variations in the value of one variable are synchronized with cariations in the value of the other.
- correlation
- observation whose true purpose is hidden from both the observer and the participant
- double-blind
- two variables are correlated only because each is causally related to a third variable
- third-variable correlation
- variable that is manipulated
- independent variable
- variable that is measured
- dependent variable