Which of the Following Statements Best Captures the Difference Between

Which of the following statements best captures the difference between pure observation and participant observation?

A) In pure observation, the researcher remains apart from the group, but in participant observation, the researcher becomes actively involved in the research setting.
B) In pure observation, the researcher is not subject to observer bias, but in participant observation, the researcher is influenced by observer bias.
C) In pure observation, the researcher observes only one individual, but in participant observation, the researcher observes multiple individuals simultaneously.
D) In pure observation, the researcher does not collect field notes, but merely observes behavior as it occurs; in participant observation, the researcher collects extensive field notes to record the behaviors observed.