Ap Psych

Naturalistic observation

• Observing phenomena without interfering

• Needs clear operational definitions

• Downside: Humans are very bad at observing

Correlational studies

• Relationships between traits or behaviors during surveys or naturalistic observation

• Correlation coefficients range from +1 to -1

• Longitudinal vs cross sectional

• Statistical analysis to see how strong or weak a correlation is

Experimental research

Researched manipulate or control one variable and observe the effects while all other variables remain constant