Matt, a personality researcher, develops a new model of personality that describes an individual's personality using ten different factors. To accompany this model, he designs an assessment that measures these ten factors. Which of the following describes the best approach for determining the validity of his new assessment?
A. Giving it to a group of people and asking if they found it easy to understand and complete in the allotted time
B. Conducting a factor analysis to see if the individual items form clusters around the ten proposed personality factor
C. Thoroughly reading through each of the questions to make sure they are asking what he wants to assess
D. Giving several people the test on two occasions and seeing if scores change between assessments
Answer: B
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