AP Psych Rolling Summative

Research

4 ethical standards

informed consent, protection from harm and discomfort, confidentiality, debrief

Population

everyone who is eligible for the study

Random Sample

everyone has an equal chance of being selected from the population

Independent variable

manipulated cause

Dependent variable

measured effect

Random Assignment

everyone has equal chance of being placed in experiment or control group

Standard deviation

how dispersed the scores are from the mean

Statistical significance

there is a cause (experiment) or how much of a relationship (correlation)

Effect size

how much of a cause (experiment) or how much of a relationship (correlation)

Correlation 3rd variable issue

does hidden variable relate to both x and y

Correlation directionality issue

does x cause y or does y cause x