A Pilot Study of a Blended Intervention Targeting Emotion Dysregulation in Adults With ADHD

The third item from the The Credibility and Expectancy Questionnaire (CEQ) will be used to assess treatment credibility. The third item states "How confident would you be in recommending this treatment to a friend with similar challenges? The item is rated on a scale from 1 (none at all confident) to 9 (very confident)

At the post-intervention assessment, the participants will be asked whether they are likely to continue using the exercises from the intervention in the future and whether they have experienced any adverse events, where the participants will have the option to elaborate in an open text-field. There will also be conducted qualitative interviews with the participants to examine their experiences (positive and negative) with the program.

Number of attended group sessions and number of completed homework assignments

The measure is a self-report questionnaire that is commonly used to assess emotion dysregulation in clinical populations. The scale includes 36 items rated on a 5-point scale ranging from "Never" (1) to "Almost always" (5), yielding a total score of between 36 - 180, where a higher score indicate a higher degree of emotion dysregulation.

The scale assesses symptoms of inattention (nine items), and symptoms of hyperactivity-impulsivity (nine items) and includes a total of 18 items. The response type consists of a 5-point scale with options "Never" (0), "Rarely" (1), "Sometimes" (2), "Often" (3) or "Very Often" (4) giving the scale a maximum score of 72 for full-scale ASRS and 36 on each of the two subscales of inattention and hyperactivity-impulsivity. A higher score indicate a higher severity in symptoms.

The measure assesses quality of life during the past two weeks and is specifically developed for adults with ADHD. The scale comprises 29 items rated on a scale from "Not at all/Never" (1) to "Extremely/Very Often" (5), yielding a total score between 0 - 100 points. The scale also included four subscales: life productivity, psychological health, life outlook, and relationships, all yielding a score between 0 - 100 points. A higher score indicates better quality of life.

The scale examine symptoms of depression and anxiety. The scale consists of 14 items with response options ranging from 0-3, with 3 being the most severe level of symptoms. The scale yields one total score, ranging from 0-42, and one subscale score from depression, and one subscale for anxiety, ranging from 0-21.

The Behavior Rating Inventory of Executive Functioning Adult version (BRIEF-A) is a self-report questionnaire assessing executive functioning in everyday life. The scale consists of 75 items and are rates on a 3-point scale from "Never" (1) to "Often" (3).