Please assess the completion status of the following clinical trial:

Trial Title: Skills Training for Adolescents With ADHD

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: CROSSOVER
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: SINGLE
- Phase: None
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~* Between the ages of 14 and 18~* In high school~* Principal Diagnosis of ADHD~* Stable prescription of Medications for ADHD~* ADHD has childhood onset~* Clinically significant ADHD symptoms~Exclusion Criteria:~* Organic Mental Disorders~* Active Substance Abuse or Dependence~* Diagnosis of Conduct Disorder~* Mental Retardation or Pervasive Developmental Disorder~* Active Suicidality~* Previous History of CBT Therapy in adolescence~* Other condition interfering with consent or participation

- Gender: ALL
- Minimum Age: 14 Years
- Maximum Age: 18 Years
- Healthy Volunteers: f

Study Arms:
- CBT for ADHD first, then follow-up (Type: EXPERIMENTAL): Participants received Cognitive Behavioral Therapy following randomization.
- Wait list first, then CBT for ADHD (Type: NO_INTERVENTION): Cross-over: Participants were assigned to a wait list after the initial assessment. They received Cognitive Behavioral Therapy after the 4 month assessment.

Based on this trial design, predict the completion outcome and termination type (if applicable).