Sociological Research (Scientific Methods-12)

At this point, a researcher’s operational definitions help measure the variables. In a study asking how tutoring improves
grades, for instance, one researcher might define a “good” grade as a C or better, while another uses a B+ as a starting
point for “good.” Another operational definition might describe “tutoring” as “one-on-one assistance by an expert in the
field, hired by an educational institution.” Those definitions set limits and establish cut-off points that ensure consistency
and replicability in a study.