A researcher notices that her interview subjects speak more freely when she puts away her tape recorder, and sometimes contradict what they say when being taped. What aspect of sociological investigation does the researcher's realization illustrate?
a) reflexivity
b) reliability
c) validity
d) generalizability

answer; i believe the correct answer is (a) the correlation between the cause variable and outcome variable is zero;

i would think yes.

explanation:

because we have every natianlity in our country which makes us so diverse and unique. that's why in a lot of cities there are places like little italy, koreatown, chinatown.