Study: NCT06604000

Intervention type: BEHAVIORAL
Group type: ACTIVE_COMPARATOR
Intervention: GMT Usual
Description: Participants will receive Goal Management Training in groups of 4-6 patients, as implemented in a rehabilitation hospital setting (St. Olavs Hospital, Trondheim University Hospital). The standard treatment (GMT Usual) consists of 10 sessions, delivered as 2 sessions a day, one day per week, over 5 weeks.

Intervention type: BEHAVIORAL
Group type: EXPERIMENTAL
Intervention: GMT Usual
Description: Participants will receive Goal Management Training in groups of 4-6 patients, as implemented in a rehabilitation hospital setting (St. Olavs Hospital, Trondheim University Hospital). The standard treatment (GMT Usual) consists of 10 sessions, delivered as 2 sessions a day, one day per week, over 5 weeks.

Intervention type: BEHAVIORAL
Group type: EXPERIMENTAL
Intervention: GMT Usual
Description: Participants will receive Goal Management Training in groups of 4-6 patients, as implemented in a rehabilitation hospital setting (St. Olavs Hospital, Trondheim University Hospital). The standard treatment (GMT Usual) consists of 10 sessions, delivered as 2 sessions a day, one day per week, over 5 weeks.

Intervention type: BEHAVIORAL
Group type: EXPERIMENTAL
Intervention: GMT Usual
Description: Participants will receive Goal Management Training in groups of 4-6 patients, as implemented in a rehabilitation hospital setting (St. Olavs Hospital, Trondheim University Hospital). The standard treatment (GMT Usual) consists of 10 sessions, delivered as 2 sessions a day, one day per week, over 5 weeks.

Intervention type: BEHAVIORAL
Group type: EXPERIMENTAL
Intervention: GMT Cuing
Description: The participants will receive extended cuing through a smartphone application (GMT Cuing) - intended to facilitate the effect of between-session tasks (homework) completed by the participants. These participants will, in addition to the standard treatment (as in GMT Usual), on a daily basis receive a message that says STOP as a reminder to do their home assignments. An sms with the the text STOP; as a reminder everyday from the third session until the fifth session. The message is pseudorandomly sent on different timepoints ranging from 11am to 8pm, including in weekends.

Intervention type: BEHAVIORAL
Group type: EXPERIMENTAL
Intervention: GMT Cuing
Description: The participants will receive extended cuing through a smartphone application (GMT Cuing) - intended to facilitate the effect of between-session tasks (homework) completed by the participants. These participants will, in addition to the standard treatment (as in GMT Usual), on a daily basis receive a message that says STOP as a reminder to do their home assignments. An sms with the the text STOP; as a reminder everyday from the third session until the fifth session. The message is pseudorandomly sent on different timepoints ranging from 11am to 8pm, including in weekends.

Intervention type: BEHAVIORAL
Group type: EXPERIMENTAL
Intervention: GMT Boost
Description: After completion of the 10 GMT sessions and the first post-treatment assessment immediately after the main treatment period, the participants will receive an additional booster module (GMT Boost) 3 months after the last ordinary GMT module - intended to facilitate a prolonged treatment response.

Intervention type: BEHAVIORAL
Group type: EXPERIMENTAL
Intervention: GMT Boost
Description: After completion of the 10 GMT sessions and the first post-treatment assessment immediately after the main treatment period, the participants will receive an additional booster module (GMT Boost) 3 months after the last ordinary GMT module - intended to facilitate a prolonged treatment response.