Please select the arm or intervention descriptions that belong to the clinical trial below.
Title: Project 1, Study 1: Investigating the Impact of Nicotine Using Spectrum Cigarettes
Brief Summary: Project 1, Study 1 will evaluate the relationship between nicotine yield of very low nicotine content cigarettes and cigarettes smoked per day, nicotine exposure, discomfort/dysfunction, other health-related behaviors, nicotine/tobacco dependence, biomarkers of tobacco exposure, intention to quit, compensatory smoking, other tobacco use, cigarette characteristics, cognitive function, cardiovascular function, and perceived risk. We will also consider differences between conditions in compliance with product use.


Options:
A: Arm Label: tobacco cigarette; Type: ACTIVE_COMPARATOR; Interventions: Other: Tobacco cigarette | Arm Label: e.cigarettes + 16mg nicotine & flavor; Type: ACTIVE_COMPARATOR; Interventions: Device: electronic cigarette + 16mg nicotine & flavor | Arm Label: e.cigarettes + 0mg nicotine & flavour; Type: ACTIVE_COMPARATOR; Interventions: Other: electronic cigarette + 0mg nicotine & flavor | Intervention Type: DEVICE; Name: electronic cigarette + 16mg nicotine & flavor; Assigned to Arm(s): e.cigarettes + 16mg nicotine & flavor | Intervention Type: OTHER; Name: electronic cigarette + 0mg nicotine & flavor; Assigned to Arm(s): e.cigarettes + 0mg nicotine & flavour | Intervention Type: OTHER; Name: Tobacco cigarette; Assigned to Arm(s): tobacco cigarette
B: Arm Label: 0.8 mg nicotine with 9 mg tar; Type: EXPERIMENTAL; Interventions: Other: very low nicotine content cigarettes | Arm Label: 0.26 mg nicotine with 9 mg tar; Type: EXPERIMENTAL; Interventions: Other: very low nicotine content cigarettes | Arm Label: 0.12 mg nicotine with 9 mg tar; Type: EXPERIMENTAL; Interventions: Other: very low nicotine content cigarettes | Arm Label: 0.07 mg nicotine with 9 mg tar; Type: EXPERIMENTAL; Interventions: Other: very low nicotine content cigarettes | Arm Label: 0.03 mg nicotine with 9 mg tar; Type: EXPERIMENTAL; Interventions: Other: very low nicotine content cigarettes | Arm Label: 0.04 mg nicotine with 13 mg tar; Type: EXPERIMENTAL; Interventions: Other: very low nicotine content cigarettes | Arm Label: Usual brand; Type: OTHER; Interventions: Other: very low nicotine content cigarettes | Intervention Type: OTHER; Name: very low nicotine content cigarettes; Assigned to Arm(s): 0.03 mg nicotine with 9 mg tar, 0.04 mg nicotine with 13 mg tar, 0.07 mg nicotine with 9 mg tar, 0.12 mg nicotine with 9 mg tar, 0.26 mg nicotine with 9 mg tar, 0.8 mg nicotine with 9 mg tar, Usual brand
C: Arm Label: cigarette substitute; Type: EXPERIMENTAL; Interventions: Other: cigarette substitute | Arm Label: e-cigarette (with 0 mg/ml nicotine); Type: EXPERIMENTAL; Interventions: Other: e-cigarette | Arm Label: e-cigarette (with 8 mg/ml nicotine); Type: EXPERIMENTAL; Interventions: Other: e-cigarette | Arm Label: e-cigarette (with 36 mg/ml nicotine); Type: EXPERIMENTAL; Interventions: Other: e-cigarette | Intervention Type: OTHER; Name: e-cigarette; Assigned to Arm(s): e-cigarette (with 0 mg/ml nicotine), e-cigarette (with 36 mg/ml nicotine), e-cigarette (with 8 mg/ml nicotine) | Intervention Type: OTHER; Name: cigarette substitute; Assigned to Arm(s): cigarette substitute
D: Arm Label: Electronic cigarettes; Type: EXPERIMENTAL; Interventions: Other: disposable electronic cigarettes | Intervention Type: OTHER; Name: disposable electronic cigarettes; Assigned to Arm(s): Electronic cigarettes

Answer: B