AP Psych Rolling Summative Unit Zero

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 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 the scores are from the mean

Statistical significance (experiment)

is there a cause

Statistical significance (correlation)

is there a relationship

Effect Size (experiment)

how much of cause

Effect Size (correlation)

how much of a relationship

Correlation 3rd Variable Issue

does hidden variable relate to both x and y

Correlation Directionality Issue

Does x cause y or y cause x