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Step 3 -1. What was the research question that guided the work by Drew, etal.? How does talking on the phone differ from talking with passengersin a vehicle while driving?2. The Independent Variables (IV) is/are: the Independent Variablesare talking on the phone and talking to a passenger in the vehicle.3. The Dependent Variable (DV) is/are: the driver4. Were the participants randomly assigned to the conditions? What isthe purpose of random assignment? Yes; the purpose of randomassignment is to create equality between the groups in the thebeginning of the study (Tatum Lecture, 2020).5. What kind of research design did this study use, i.e., descriptive,correlational, or experimental? Explain your answer. The study usedexperimental research. Experimental research consists of anindependent variable that is manipulated by the experimenter and adependent variable that is measured (Tatum Lecture, 2020). Thisstudy had both, as mentioned in question 2 & 3.