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AP Psych Practice 2

Research Methods

QuestionAnswer
What is an experiment? A scientific procedure to make a discovery, test a hypothesis, or demonstrate a known fact.
What is an independent variable? The variable that is manipulated by the researcher; does not depend on another variable.
What is the experimental group? The tested group.
What is the control group? Does not receive the treatment.
What is the placebo effect? When a fake treatment affects a participant the same way the real treatment would, simply because they believe they should be affected in that way.
What is a double-blind study? Neither participant or research are aware of what people are assigned to which group.
What is the dependent variable? Response to the independent variable.
What is an operational definition? A clear, precise, & typically quantifiable definition of the variables; allows for replication.
What is the meaning of confound? A flaw in the study.
What is random assignment? A process to randomly assign participants to either the controlled or experimental group; minimizes bias & increases chance of equal representation.
What is a random sample? Method for choosing participants.
What does validity mean? Accurate results.
What does reliability mean? Same results every time.
What is naturalistic observation? Observing subjects in their natural environment
What is correlation? Identifies relationship between two variables; not causation.
What is positive correlation? Variables vary in the same direction.
What is negative correlation? Variables vary in the opposite direction.
What is a case study? Studies one person, usually in great detail.
What is the mean? The average number.
What is the median? The middle number.
What is the mode? The number that occurs most often.
What are inferential statistics? They establishes significance.
What are the ethical guidelines? Confidentially, informed consent, debriefing, & deception must be warranted.
Created by: taramichelle
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