Unit 0 Rolling Assesment

AP Psyc

4 ethical standards

informed consent, freedom from harm & discomfort, confidentiality, debreifing

Population

everyone eligible for the study

Random Sample

everyone has an equal chance of getting picked from the population to participate in the study

IV

manipulated cause

DV

measured effect

Random Assignment

equal chance of being assigned to either of the experimental groups

Standard Deviation

how dispersed the scores are from the mean, 68%, 95%, 99%

Statistical Significance

experiment: there is a cause and effect relationship

correlation: there is a relationship

Effect size

experiment: how much cause and effect there is

correlation: how much of a relationship

Correlation 3rd variable issue

hidden variable that relates to both x and y

Correlation Directionality Issue

can not determine if x impacts y or y impacts x