Which study type has higher ecological validity?

• A. Field experiment
• B. Naturalistic observation
• C. Lab experiment
• D. Case study

Answer: (A)

Ecological validity is about how well findings generalize to real-life situations. A field experiment sits in a real-world setting and still manipulates a variable, so participants react under real-life cues while researchers maintain some control. This combination keeps behavior more natural than in a laboratory, where the artificial environment can alter responses and limit generalization. While naturalistic observation also occurs in real settings, it lacks manipulation, making it harder to infer cause-and-effect, which can complicate applying results to similar real-world contexts. So, field experiments typically offer higher ecological validity than lab experiments, making them the best choice for studying behavior in everyday life.