PSYC 203 Chapter Notes - Chapter 4: Discriminant Validity, Statistical Inference, Content Validity
24 Mar 2018
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Attributes of good theories: productivity, falsification, parsimony. Replication and extension: exact replications are rare (in psychology, extension --> partial replication, with new features added to extend the. Don"t be scared of research: everyone must be a genius, their research idea won"t be original enough, ideas too simple, do not fret <3. Hypothetical factor that cannot be observed directly but is inferred from certain behaviours. Related again to operational definitions: operational definition. Defining terms in a process needed to determine the nature of an item or phenomenon (e. g. a variable, term, or object) and its properties such as duration, quantity, extension in space, chemical composition. Angle increase = amount of time needed to make the decision increase. Looked at videos of balls going up or down a hill. 7 month olds looked at unnatural event longer: habituation, reaction time. Research question: do we use visual images when we are thinking: construct --> visual imagery, measure --> reaction time.
