Dr. jimand poses as a student for his study of foreign students who are adjusting to college life in the united states. dr. jimand lives in the dorm with the students and attends classes with them. the students do not know that he is a researcher. which of the following research methods is dr. jimand using?

How did the growth of railroads american businesses expand

Where did women first gain economic freedom

Read the paragraph and answer the question that follows: the town of belmond, iowa, needs to add weather sirens. the loud and steady wail would warn citizens of approaching danger. if past history is an indication, the sirens will save hundreds of lives. with a prediction of a deadly storm season, the alert which sentence should be revised to eliminate redundancy? the town of belmond, iowa, needs to add weather sirens. the loud and steady wail would warn citizens of approaching danger. if past history is an indication, the sirens will save hundreds of lives. with a prediction of a deadly storm season, the alert system is needed immediately.