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4 ethical standards
informed consent, protection from harm and discomfort, confidentiality, debrief
Population
everyone who is eligible for a study
Random Sample
Everyone has an equal chance of being selected from a population
Independent variable
manipulated cause
Dependent variable
measured effect
Random assignment
everyone has an equal chance of being placed in experimental or control group
Standard deviation
how dispersed scores are from the mean
Statistical significance
there is a cause (experimental) or there is a relationship (correlational)
Effect size
how much of a cause (experimental) or how much of a relationship (correlation)
Correlation 3rd variable issue
does a hidden variable relate to both x and y