The experimental group will be conducted in the form of assessments, group intervention and individual intervention . All participants will take part in full treatment over a period of five weeks. Each week, participants will engage in one group session lasting approximately 90 minutes and one individual session lasting approximately 60 minutes. A assessment will be conducted at the time of recruitment and following the final individual session.

The control group will undergo the same intervention as the test group after the test group completes the intervention and posttest, and will be assessed one additional time for pre-intervention status.

All participants of the lighthouse parenting programme will engage in the full program over a period of five weeks, divided into ten sessions. The 5 group interventions will occur once a week for 1.5 hours. During this time, the psychotherapist will disseminate psychological knowledge and skills pertinent to parenting, after which the group members will engage in practice exercises and discourse. Subsequently, one individual session will be conducted each week for one hour.

The Parenting Stress Index/Short Form (PSI/SF; Abidin, 1986) is employed to assess parenting stress.

The Parental Reflective Functioning Questionnaire (PRFQ; Luyten, Mayes, Nijssens, & Fonagy, 2017) is employed to assess parental mentalizing.