Participants will self-administer a flavored e-cigarette.

Participants will self-administer a flavored e-cigarette.

Participants will self-administer a flavored e-cigarette.

We will use the commercially available and popular JUUL e-cigarette device and e-cigarette solutions.

Self-report measures of product preference will be completed following the e-cigarette self-administration. Scores can range from 0 to 100 for the preference rating, with lower scores representing less preference and higher scores representing higher preference.

This measure is obtained through the completion of the Positive Affect Negative Affect Schedule. A total score will be calculated for both Positive and Negative Affect. Scores can range from 10 to 50 for both the Positive and Negative Affect, with the lower scores representing lower levels of Positive/Negative Affect and higher scores representing higher levels of Positive/Negative Affect.

This measure is obtained through the completion of the Profile of Mood States. A total score will be calculated. Scores can range from 10 to 260, with the lower scores representing lower levels of mood disturbance and higher scores representing higher levels of mood disturbance.

This measure is obtained through the completion of the Brief Questionnaire of Smoking Urges. A total score will be calculated. Scores can range from 10 to 70, with the lower scores representing a lower level of cigarette craving and higher scores representing greater levels of cigarette craving.

This measure is obtained through the completion of the Minnesota Nicotine Withdrawal Scale. A total score will be calculated. Scores can range from 0 to 32, with the lower scores representing a lower level of nicotine withdrawal and higher scores representing greater levels of nicotine withdrawal.