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ned articlus OhlINe survey Focus group c and d e Secondary data revlew Question 17 1.5 pts Which of the following is a form of exploratory research? Experlence surveys Case analysils O Secondary data analysis O Focus groups o a b, and c D Question 18 1.5 pts Assume you conducted a lab experiment and you wanted to ensure the results were valid. Which of the following statements is/are correct about validity O Internal validity refers to the change observed in the dependent variable was due to the change in the independent variable 9 Internal validity refers to the change observed in the independent variable was due to the change in the dependent variable O External validity refers to the ability for the results to be generalizable to the real world o aandc e b andc