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Research methods

Theory Set of assumptions used to explain why something is the way i is and happens the way it happens. Based on finding from many studies and can change with new data.
Principle a fundamental, primary, or general law or truth from which others are derived.
Hypothesis An informed guess or prediction about some phenomenon. One of most important steps in conducting scientific research. All theories and principle start with it.
Case studies Study of typically one but sometimes more individuals in great depth in hopes to reveal universal truths.
Naturalistic observations Watching and recording behavior of organisms in their natural environment; describes (not explains) behavior
Surveys Look at many individual cases, gathers lots of info at low cost
Longitudinal studies Extensive studies with groups or people that long periods of time
Experiments Controlled studies that involve manipulation of variables that impact experimental groups (cause and effect relationships)
Random sampling Every person has equal chance of being selected to participate
Control group Participants that aren’t exposed to independent variable
Experimental group Participants exposed to independent variable
Created by: Lizeylizard
Popular Psychology sets




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