Exercise

Problems with Matching Methods When Comparing Individuals?

Let's say that you've convinced Megan to add a couple of questions to her survey, and she runs it again the following weekend in order to get better data that allows her to use matching methods. What might be a unit-level issue that could hurt her attempts at matching?

Instructions

50 XP

Possible Answers

She didn't ask enough survey questions, so she doesn't have enough variables to make good matches between respondents.
She used text fields for answers, and there might be too many differences between respondents to make good matches.
She asked similar questions in different ways, and it's hard to know which responses to trust most when matching.
All of the above.
None of the above.