Answer: Based on research on persuasion,it might be concluded that ELIZABETH HAS A LOW SELF ESTEEM.
Explanation: Low self esteem is characterised by lack of confidence and feeling badly about oneself,it is also characterised by inability of one to make informed decision in the presence of a group of people which might be friends,peers or even family members.
Elizabeth was unable to admit that she wants to quit smoking when her friend asked because she has a low self esteem while deep within her,he has the resolve to quit smoking which came into play immediately she was alone and had time to herself away from any friend or friends.