GRE Text Completion Question 555
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Source: XDF
By_____scientific rigor with a quantitative approach, researchers in the social sciences may often have_____their scope to those narrowly circumscribed topics that are well suited to quantitative methods.
| Blank(i) | Blank(ii) |
|---|---|
| A identifying | D enlarged |
| B undermining | E limited |
| C vitiating | F broadened |