Research Undertaken by Miller and Rahe in 1997 Demonstrated a Correlation

Research undertaken by Miller and Rahe in 1997 demonstrated a correlation between the effects of life change and illness.This research led to the development of the Recent Life Changes Questionnaire (RLCQ) .Which principle most limits the effectiveness of this tool?

A) Specific illnesses are not identified.
B) The numerical values associated with specific life events are randomly assigned
C) Stress is viewed as only a physiological response.
D) Personal perception of the event is excluded.