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1.What was the research question that guided the work by Drews, et al.? What was their hypothesis (specific prediction)? Are drivers more likely to be distracted by having a discussion in the car or on the phone?2.The Independent Variables (IV) is/are:The independent variables are the conversation between the driver and passenger or the phonecall.3.The Dependent Variable (DV) is/are:The dependent variable is successfully completing the task.4.Were the participants randomly assigned to conditions? What is the purpose of randomassignment?The participants were randomly assigned to the roles of driver and passenger or conversation partner. The purpose of random assignment is to ensure that the test is fair and the participantswould complete the task blind/ without preparation.5.What kind of research design did this study use, i.e., descriptive, correlational, or experimental? Explain your answer. The research design used for this study is experimental. They used a hypothesis, independent and dependent variables.