Childhood is the age span ranging from birth to adolescence. According to Piaget's theory of cognitive development, childhood consists of two stages: preoperational stage and concrete operational stage. In developmental psychology, childhood is divided up into the developmental stages of toddlerhood (learning to walk), early childhood (play age), middle childhood (school age), and adolescence (puberty through post-puberty). Various childhood factors could affect a person's attitude formation.
Ketapang is the capital city of Ketapang Regency (Kabupaten Ketapang), one of the regencies of West Kalimantan province on the island of Borneo in Indonesia. Ketapang city is located at and is a small city on the delta of the Pawan River. Ketapang is served by the Ketapang Airport (Rahadi Osman Airport).