Answer: Reliability
Step-by-step explanation:
Reliability ,in terms of research process is the mechanism through which consistence and dependable results are generated through research and study. Reliability in measures of research produces stable results which does not change for the same component of measurement.
According to the question, Li is taking of reliability factor in her research process because she wants to maintain measure consistency by studying different college students rather than just one college so that produced results can be stable.