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).
Watching subjects in their "real world" environment without interfering (e.g., observing children on a playground). types of studies in psychology
The factor being measured (e.g., symptoms of anxiety). Correlation does not equal causation
These aim to describe a phenomenon as it naturally occurs without manipulating any variables. types of studies in psychology