Please select the arm or intervention descriptions that belong to the clinical trial below.
Title: N/A
Brief Summary: The purpose of this study is to compare three methods of delivering behavioral weight loss treatment.Participants are randomly assigned to one of three 18-month weight loss treatments (group, individual, or smartphone treatment). Participants who are assigned to group treatment will attend group meetings weekly for the first 6 months, then every 2 weeks for 6 months, and then monthly for the final 6 months. Participants who are assigned to individual treatment will attend one-on-one sessions with a weight loss counselor every month for 18 months. Participants who are assigned to smartphone treatment will use a smartphone to learn and practice weight loss skills. They will also attend one-on-one sessions with a weight loss counselor every month for 18 months. Assessment visits are conducted at baseline, 6, 12, and 18 months.


Options:
A: Arm Label: intervention group; Type: EXPERIMENTAL; Interventions: Behavioral: APP + health advice | Arm Label: control group; Type: PLACEBO_COMPARATOR; Interventions: Behavioral: health advice | Intervention Type: BEHAVIORAL; Name: APP + health advice; Assigned to Arm(s): intervention group | Intervention Type: BEHAVIORAL; Name: health advice; Assigned to Arm(s): control group
B: Arm Label: Sequential Intervention; Type: EXPERIMENTAL; Interventions: Behavioral: self-monitoring of body weight, Behavioral: self-monitoring of diet, Behavioral: weekly personalized feedback + lessons + action plans | Arm Label: Simultaneous Intervention; Type: EXPERIMENTAL; Interventions: Behavioral: self-monitoring of body weight, Behavioral: self-monitoring of diet, Behavioral: weekly personalized feedback + lessons + action plans | Arm Label: Control (diet-tracking only); Type: EXPERIMENTAL; Interventions: Behavioral: self-monitoring of diet | Intervention Type: BEHAVIORAL; Name: self-monitoring of body weight; Assigned to Arm(s): Sequential Intervention, Simultaneous Intervention | Intervention Type: BEHAVIORAL; Name: self-monitoring of diet; Assigned to Arm(s): Control (diet-tracking only), Sequential Intervention, Simultaneous Intervention | Intervention Type: BEHAVIORAL; Name: weekly personalized feedback + lessons + action plans; Assigned to Arm(s): Sequential Intervention, Simultaneous Intervention
C: Arm Label: Group Treatment; Type: ACTIVE_COMPARATOR; Interventions: Behavioral: Lifestyle Counseling | Arm Label: Individual Treatment; Type: ACTIVE_COMPARATOR; Interventions: Behavioral: Lifestyle Counseling | Arm Label: Smartphone Treatment; Type: EXPERIMENTAL; Interventions: Behavioral: Lifestyle Counseling | Intervention Type: BEHAVIORAL; Name: Lifestyle Counseling; Assigned to Arm(s): Group Treatment, Individual Treatment, Smartphone Treatment
D: Arm Label: Intervention; Type: EXPERIMENTAL; Interventions: Behavioral: Counseling sessions | Arm Label: Wait List Control; Type: OTHER; Interventions: Behavioral: Wait List Control | Intervention Type: BEHAVIORAL; Name: Counseling sessions; Assigned to Arm(s): Intervention | Intervention Type: BEHAVIORAL; Name: Wait List Control; Assigned to Arm(s): Wait List Control

Answer: C