Primary outcomes |
Child aggression |
Child Behavior Check List (CBCL) aggression subscale |
Scores from coded videos of a prohibition and compliance task |
Child prosocial behaviour |
Strengths and Difficulties Questionnaire, prosocial subscale |
Prosocial helping task |
Child language |
MacArthur-Bates Communication Development Inventory |
Peabody Picture Vocabulary Test |
Expressive One Word Picture Vocabulary Test |
Bayley Scale of Language Development |
Child attention |
Early Child Vigilance Task |
Secondary outcomes |
Child social understanding |
Wellman and Liu Theory of Mind Scale |
Emotion recognition task |
Parental sensitivity and reciprocity |
Direct observation of parent and child in free-play, clean-up task, and book-sharing |
Parental discipline |
Discipline and Violence Self-report Questionnaire |
Direct observation during the prohibition and compliance tasks |
Parental mental state talk |
Direct observation during interactions involving book-sharing and a narrative cartoon explanation task |
Exploratory outcomes |
Home language environment |
LENA digital recording device worn by the child for a full day |
Emotion recognition |
Functional Infared Thermal Imaging (fIRT) |
Moderators |
Parental stress |
Parenting Stress Index (short form) |
Caregiver mental health |
Patient Health Questionnaire-9 |
Intimate partner violence |
WHO questionnaire on health and domestic violence |