An in-depth look at a single person or a small group (e.g., studying a patient with a rare brain injury).
One variable goes up while the other goes down. 3. Experimental Studies
The factor the researcher changes (e.g., dosage of a new medication). types of studies in psychology
This is the "gold standard" for determining cause and effect.
Watching subjects in their "real world" environment without interfering (e.g., observing children on a playground). An in-depth look at a single person or a small group (e
Comparing different groups of people at a single point in time (e.g., comparing 20-year-olds to 60-year-olds today). 5. Quasi-Experiments
Correlation does not equal causation. Just because two things happen together (like ice cream sales and sunburns) doesn't mean one caused the other (the sun caused both). Experimental Studies The factor the researcher changes (e
The factor being measured (e.g., symptoms of anxiety).