Which method involves observing subjects in their natural environment?

The Observation Method is particularly effective for examining behaviors, interactions, and phenomena in settings where individuals are naturally situated. This method allows researchers to gather data without interference or manipulation of the environment, thus preserving the authenticity of the subjects' actions and reactions. By observing subjects in their natural surroundings, researchers can gain insights into real-world behaviors that might not be accurately reported through other methods such as surveys or interviews, where respondents could modify their answers based on social desirability or recall bias.

In contrast, the other methods—such as experimentation, focus groups, and surveys—involve some degree of structured intervention or artificial setup. The Experiment Method typically manipulates variables to observe effects under controlled conditions. The Focus Group Method gathers insights through guided discussions in a group setting, which may influence participants to respond in a certain way. The Survey Method involves collecting responses to predefined questions, often leading to a limited understanding of behaviors that are not captured in response formats. Hence, the Observation Method stands out as the best choice for monitoring subjects in their genuine context.