Please pick me as Brainliest
Answer:
c) Observational Design
Explanation:
To maximize the external validity of research conclusions, which refers to the extent to which the findings can be generalized to other populations, settings, and contexts, you would typically use:
c) Observational Design
Observational designs involve observing and describing phenomena as they naturally occur in their natural settings without intervention or manipulation by the researcher. This approach allows researchers to study behavior in real-world contexts, enhancing the generalizability of the findings to other populations and settings. Therefore, observational designs are often used when maximizing external validity is a primary concern.