Table 4 Overview of measurement Instruments.

Gratitude

Gratitude Questionnaire-Six-Item Form (GQ-6)⁵⁸

7-point Likert

“I have so much in life to be thankful for”

Counselling Self-efficacy

Counselling Self-Efficacy Scale (CSES)59

5-point Likert

“I can effectively facilitate client self-exploration”

Prosocial Behavior

Prosocialness Scale for Adult⁴⁹

5-point Likert

“I am pleased to help my friends/colleagues in their activities”

Community and Civic Engagement

Civic Engagement Scale (CES) – attitude⁶⁰

Civic Engagement Scale (CES) – behavior60

7-point Likert

“I believe that all citizens have a responsibility to their community”

Physical Well-being

Physical Well-being Scale61

6-point Likert

“Over the last one month, have you experienced insomnia?”

Psychological Symptoms

Psychological Well-being Scale⁶¹

6-point Likert

“Over the last one month, have you experienced insomnia?”

Positive Emotions

Positive Emotions Scale⁶²

6-point Likert

“In the past 3 months, how frequently did you feel happy?”

General Health

General Health Questionnaire (GHQ-12)⁶³

4-point Likert

“Feeling reasonably happy”

Growth Mindset

Dweck Mindset Instrument (DMI)⁶⁴

- Intelligence

- Personality

6-point Likert

“You have a certain amount of intelligence, and you really can’t do much to change it”

Resilience

Resilience Scale⁶⁵

6-point Likert

“I feel capable of overcoming my present or any future difficulties and problems”

Coping Strategies

Brief-COPE Inventory⁶⁶

4-point Likert

“I’ve been turning to work or other activities to take my mind off things”

Insomnia Severity

Insomnia Severity Index⁶⁷

4-point Likert

“How WORRIED/distressed are you about your current sleep problem?”