Question: is this a 2) strong advice, 1) weak advice 0) no advice?

Since 1999, psychological interventions (guided imagery, distraction, self hypnosis) have been introduced by a clinical psychologist during one session 5 to 10 days before LSS; patients and family members were then encouraged to practice on their own the specific interventions as taught by the psychologist. 
user
This is no advice
assistant