- Aggression
- Anxiety and depression
- Assisted reproductive technology
- Attachment
- Autism
- Brain
- Breastfeeding
- Child care – Early childhood education and care
- Child nutrition
- Child obesity
- Crying behaviour
- Culture
- Divorce and separation
- Emotions
- Epigenetics
- Executive functions
- Father – Paternity
- Fetal Alcohol Spectrum Disorders (FASD)
- Gender: early socialization
- Head Start policy
- Home visiting
- Hyperactivity and inattention (ADHD)
- Immigration
- Immunization
- Importance of early childhood development
- Injury prevention
- Integrated early childhood development services
- Language development and literacy
- Learning disabilities
- Low income and pregnancy
- Maltreatment (child)
- Maternal depression
- Mental health
- Numeracy
- Nutrition – Pregnancy
- Outdoor play
- Parental leave
- Parenting skills
- Peer relations
- Physical activity
- Play
- Play-based learning
- Prematurity
- Preschool programs
- Prosocial behaviour
- Resilience
- School readiness
- School success
- Second language
- Sleeping behaviour
- Social cognition
- Social violence
- Stress and pregnancy (prenatal and perinatal)
- Technology in early childhood education
- Temperament
- Tobacco and pregnancy
- Welfare reform
