- turn human thoughts, feelings, and behaviors into numbers to analyse
- Inferential Statistics
- understand differences between groups
- patterns among variables
- Effect Size
- Meta Analysis
Limits
- one-way causal thinking is an oversimplification
- multicausality
- phenomenon are caused by more than one factor
- bidirectional influence
- both causal parts are interrelated, effecting each other
- x → y; y → x; x → y; y → x; …
- multicausality
Regression Line
- sw to ne → positive relation
- nw to se → negative relation
- w to e → no relation