Introduction
Extraordinary developments of cognitive, physical, emotional, and social aspect starts in the early childhood. The range of skills and abilities of infants has limitations when they enter into the world. The source of wonder for the parents or caregivers are the child new development of cognitive, motor, social, and language skills. When experts study about the human development they discover the richness and variety of subjects of interests. Alternatively, every individual has personal experiences with the development of a child. However, some people encounter difficulties to clearly understand the exact ways on how or why human being learn, grow, and ...