Table 2.

Outcome measures

Outcome measures		Informant
Primary outcomes		Child	Teacher	Parent
Children
Psychological problems (conduct disorder, hyperactivity, emotional problems)	Strength and difficulties questionnaire (SDQ)		x	x
Socio-emotional skills (prosocial behaviors, peer relations)	Strength and difficulties questionnaire (SDQ)		x	x
Socio-emotional skills (prosocial skills)*	Multisource Assessment of Social Competence Scale (MASCS)		x	x
Secondary outcomes
Children
Emotional understanding of different situations and behaviours	Assessment of Children’s Emotion Skills (ACES)	x
Emotional processing and recognition of facial expressions	The diagnostic analysis of nonverbal accuracy 2 (DANVA2-CF)	x
Altruistic behavior (other regarding preferences)	The Dictator Game	x
Executive functions. Working memory	Adaptation of Block Tapping Test	x
Executive functions: Planning	Adaptation of Tower of London	x
Executive functions: Inhibition	Go/No-Go - task	x
Socio-emotional skills	Measure designed for the intervention study	x
Depressive symptoms	Children’s Depression Inventory (CDI)	x
Academic (cognitive) skills	Reading, writing and mathematics		x
Class socio-emotional skills	Specific questions created for this study		x
Teachers
Stress and work engagement	Single item stress index		x
	Bergen Burnout Inventory		x
	Utrecht Work Engagement Scale (UWES)		x
Self-efficacy	Teachers’ Sense of Efficacy Scale		x
	Perceived Collective Teacher Efficacy		x
	Teacher SEL Beliefs Scale		x
School environment and leadership	Revised- School Level Environment Questionnaire (R-SLEQ)		x
	Measure designed for the intervention study		x
	Global Transformational leadership scale (GTL)		x
Teachers and parents
Socio-emotional skills	Emotional Self-Efficacy Scale (ESES)		x	x
Teaching style and parenting style	Revised Child Rearing Practices Report Scale (CRPR)		x	x
	Psychological Control Scale		x	x
Teacher-parent interaction and relationship	Family-professional Partnership Scale		x	x
	Trust Scale		x	x

*Only Finnish and Swedish speaking parents.