Answer: Statistical regression
Explanation:
Statistical regression for researching process is defined as process of selecting a sample from overall group or population that is non-random in nature and this results in incorrect relation between the measurement parameters .
This selection of group is done on basis of subjective approach and thus the correlation is not properly defined between the parameters which interrupts the statistics of research .
According to the question, Lee is selecting only extremely self esteemed people for divorce effects's research which will not give proper results as particular non-random sample is only selected.
As divorce effects can be seen in people with every level of self esteem and that would provide the actual and proper result.
