Bayley Scales of Infant Development 1 Early childhood development (ECD) 1 Father involvement 1 Kenya 1 Parenting intervention 1 Rural western Kenya adolescent 1 article 1 child 1 child development 1 child parent relation 1 childhood 1 controlled study 1 decision making 1 father 1 female 1 household 1 human 1 human experiment 1 human tissue 1 infant 1 language development 1 major clinical study 1 male 1 mother 1 outcome assessment 1 randomized controlled trial 1 wellbeing 1