Please select the arm or intervention descriptions that belong to the clinical trial below.
Title: Computer-Based Cognitive Training and Sleep Quality in Older Adult Insomniacs
Brief Summary: The purpose of this study is to investigate the effect of computerized, home-based cognitive training on sleep quality of older adults with insomnia.


Options:
A: Arm Label: Aerobic exercise; Type: EXPERIMENTAL; Interventions: Behavioral: Group 1, Behavioral: Group 2 | Arm Label: Stretching/toning; Type: ACTIVE_COMPARATOR; Interventions: Behavioral: Group 3, Behavioral: Group 4 | Arm Label: Computer-based mental activity training; Type: EXPERIMENTAL; Interventions: Behavioral: Group 1, Behavioral: Group 3 | Arm Label: Educational DVD training; Type: ACTIVE_COMPARATOR; Interventions: Behavioral: Group 2, Behavioral: Group 4 | Intervention Type: BEHAVIORAL; Name: Group 1; Assigned to Arm(s): Aerobic exercise, Computer-based mental activity training | Intervention Type: BEHAVIORAL; Name: Group 2; Assigned to Arm(s): Aerobic exercise, Educational DVD training | Intervention Type: BEHAVIORAL; Name: Group 3; Assigned to Arm(s): Computer-based mental activity training, Stretching/toning | Intervention Type: BEHAVIORAL; Name: Group 4; Assigned to Arm(s): Educational DVD training, Stretching/toning
B: Arm Label: Cognitive training group (Cog); Type: ACTIVE_COMPARATOR; Interventions: Behavioral: Cognitive training | Arm Label: Physical exercise group (PE); Type: ACTIVE_COMPARATOR; Interventions: Behavioral: Physical exercise | Arm Label: Sequential training group (Seq); Type: EXPERIMENTAL; Interventions: Behavioral: Cognitive training, Behavioral: Physical exercise | Arm Label: Dual-task training group (Dual); Type: EXPERIMENTAL; Interventions: Behavioral: Cognitive training, Behavioral: Physical exercise | Intervention Type: BEHAVIORAL; Name: Cognitive training; Assigned to Arm(s): Cognitive training group (Cog), Dual-task training group (Dual), Sequential training group (Seq) | Intervention Type: BEHAVIORAL; Name: Physical exercise; Assigned to Arm(s): Dual-task training group (Dual), Physical exercise group (PE), Sequential training group (Seq)
C: Arm Label: cognitive training; Type: EXPERIMENTAL; Interventions: Device: CogniFit Personal Coach® | Intervention Type: DEVICE; Name: CogniFit Personal Coach®; Assigned to Arm(s): cognitive training
D: Arm Label: Exercises+CognitiveTraining+Vitamin D3; Type: EXPERIMENTAL; Interventions: Dietary Supplement: Vitamin D3, Other: Exercises (E), Other: Cognitive Training (CT) | Arm Label: Exercises+CognitiveTraining+Placebo D3; Type: EXPERIMENTAL; Interventions: Other: Exercises (E), Other: Cognitive Training (CT), Other: placebo D3 | Arm Label: Exercises+Control CogTraining+Vitamin D3; Type: EXPERIMENTAL; Interventions: Dietary Supplement: Vitamin D3, Other: Exercises (E), Other: control cognitive training | Arm Label: Exercises+Control CogTraining+Placebo D3; Type: EXPERIMENTAL; Interventions: Other: Exercises (E), Other: placebo D3, Other: control cognitive training | Arm Label: Placebo exercise+Control Cog+Placebo D3; Type: PLACEBO_COMPARATOR; Interventions: Other: placebo D3, Other: control cognitive training, Other: Placebo exercise | Intervention Type: DIETARY_SUPPLEMENT; Name: Vitamin D3; Assigned to Arm(s): Exercises+CognitiveTraining+Vitamin D3, Exercises+Control CogTraining+Vitamin D3 | Intervention Type: OTHER; Name: Exercises (E); Assigned to Arm(s): Exercises+CognitiveTraining+Placebo D3, Exercises+CognitiveTraining+Vitamin D3, Exercises+Control CogTraining+Placebo D3, Exercises+Control CogTraining+Vitamin D3 | Intervention Type: OTHER; Name: Cognitive Training (CT); Assigned to Arm(s): Exercises+CognitiveTraining+Placebo D3, Exercises+CognitiveTraining+Vitamin D3 | Intervention Type: OTHER; Name: placebo D3; Assigned to Arm(s): Exercises+CognitiveTraining+Placebo D3, Exercises+Control CogTraining+Placebo D3, Placebo exercise+Control Cog+Placebo D3 | Intervention Type: OTHER; Name: control cognitive training; Assigned to Arm(s): Exercises+Control CogTraining+Placebo D3, Exercises+Control CogTraining+Vitamin D3, Placebo exercise+Control Cog+Placebo D3 | Intervention Type: OTHER; Name: Placebo exercise; Assigned to Arm(s): Placebo exercise+Control Cog+Placebo D3

Answer: C