Which one of the sampling methods listed in the response options is used in the scenario below? Clustered, Convenience, Stratified, or Systematic? A university researcher is interested in studying newly admitted community college transfer students. She begins by dividing the students into two subpopulations: US citizens and international students. The researcher then randomly samples from each separate subpopulation to ensure that the final combined sample represents the same percentage of US citizens and international students seen in the general community college transfer population.