Please select the arm or intervention descriptions that belong to the clinical trial below.
Title: Using Group Commitment for Smoking Cessation
Brief Summary: This study proposes a novel behavioral intervention to help smokers in Thailand to achieve their goals of quitting. Smoking treatment programs are rare throughout most of Asia and unlikely to meet the impending demand for quitting that tobacco control regulations is stimulating. New approaches are needed.

The present study is a randomized controlled trial to test the effectiveness of a novel, scalable approach to smoking cessation that is targeted toward rural Southeast Asian communities. Thailand is used as a test case to explore if pairs of smokers quit successfully after making financially-backed commitments and receiving cash incentives to quit. The control group receives education and counseling about quitting. In addition to education and counseling about quitting, the intervention includes two key components:

1. Each participant is encouraged to deposit his "cigarette money" on a weekly basis, to be returned only if the smoker quits successfully within three months. Such commitment contracts, based on theory from behavioral economics, are designed to help a person to maintain self-control and motivation in the face of temptation.
2. Each participant is paired with another study participant. If both quit, each receives a cash bonus. The joint incentives are designed to lead partners to support each other throughout the quit attempt.

Thus, group commitment contracts marshal a robust blend of elements: financial commitment, social support, peer pressure, and monetary rewards. A larger, follow-up evaluation will clarify the relative importance of each of these elements.


Options:
A: Arm Label: Usual Care; Type: ACTIVE_COMPARATOR; Interventions: Behavioral: Usual Care | Arm Label: Individual Rewards; Type: EXPERIMENTAL; Interventions: Behavioral: Individual Rewards | Arm Label: Fixed Deposits; Type: EXPERIMENTAL; Interventions: Behavioral: Fixed Deposits | Arm Label: Competitive Deposits (Pari-Mutuel); Type: EXPERIMENTAL; Interventions: Behavioral: Competitive Deposits (Pari-Mutuel) | Arm Label: Collaborative Rewards; Type: EXPERIMENTAL; Interventions: Behavioral: Collaborative Rewards | Intervention Type: BEHAVIORAL; Name: Usual Care; Assigned to Arm(s): Usual Care | Intervention Type: BEHAVIORAL; Name: Individual Rewards; Assigned to Arm(s): Individual Rewards | Intervention Type: BEHAVIORAL; Name: Fixed Deposits; Assigned to Arm(s): Fixed Deposits | Intervention Type: BEHAVIORAL; Name: Competitive Deposits (Pari-Mutuel); Assigned to Arm(s): Competitive Deposits (Pari-Mutuel) | Intervention Type: BEHAVIORAL; Name: Collaborative Rewards; Assigned to Arm(s): Collaborative Rewards
B: Arm Label: Control; Type: NO_INTERVENTION; Interventions: N/A | Arm Label: Computerized brief intervention (5As); Type: EXPERIMENTAL; Interventions: Behavioral: Computer-delivered brief intervention (5As) | Arm Label: Contingency Management Alone; Type: EXPERIMENTAL; Interventions: Behavioral: Contingency Management | Arm Label: Combined Brief Intervention and CM; Type: EXPERIMENTAL; Interventions: Behavioral: Computer-delivered brief intervention (5As), Behavioral: Contingency Management | Intervention Type: BEHAVIORAL; Name: Computer-delivered brief intervention (5As); Assigned to Arm(s): Combined Brief Intervention and CM, Computerized brief intervention (5As) | Intervention Type: BEHAVIORAL; Name: Contingency Management; Assigned to Arm(s): Combined Brief Intervention and CM, Contingency Management Alone
C: Arm Label: Group commitment contracts; Type: EXPERIMENTAL; Interventions: Behavioral: Group commitment contract, Behavioral: Smoking cessation education and counseling | Arm Label: Education and counseling; Type: ACTIVE_COMPARATOR; Interventions: Behavioral: Smoking cessation education and counseling | Intervention Type: BEHAVIORAL; Name: Group commitment contract; Assigned to Arm(s): Group commitment contracts | Intervention Type: BEHAVIORAL; Name: Smoking cessation education and counseling; Assigned to Arm(s): Education and counseling, Group commitment contracts
D: Arm Label: Experimental group:financial incentives; Type: EXPERIMENTAL; Interventions: Behavioral: Financial incentive | Arm Label: Control group:no financial intervention; Type: OTHER; Interventions: Other: No financial incentive | Intervention Type: BEHAVIORAL; Name: Financial incentive; Assigned to Arm(s): Experimental group:financial incentives | Intervention Type: OTHER; Name: No financial incentive; Assigned to Arm(s): Control group:no financial intervention

Answer: C