The zone of proximal development is a concept developed by social cognitive theorist and psychologist Lev Vygotsky. The zone of proximal development is the area where the child cannot solve a problem alone, but can solve it successfully under the guidance or collaboration with an adult or more advanced peer.
The Waldorf early childhood movement stemmed from a group of workers at the Waldorf-Astoria Cigarette Factory in Stuttgart wanting a better method of teaching for their children. They asked Rudolph Steiner, to design a teaching method where teachers would teach out of love and respect for their students.
Tetherball is a game that has been popular on playgrounds, schoolyards, and summer camps for years. The game involves two players who attempt to hit a ball attached to a pole by a rope in opposite directions until one of them wraps the rope completely around the pole and the ball stops. The history of the game is uncertain with some suggesting that in the ninth century it started with the Tatars.
Body awareness is the knowledge of a person’s body parts along with the knowledge of what the parts can do and how to make the parts move. Body awareness helps people orient their bodies to their surrounding environment and helps them navigate through that space.
Monty Christiansen has been concerned about children's safety as a designer of playgrounds, a Certified Playground Safety Inspector, professor, author, and active member in numerous professional associations.
Author Susan G. Solomon wrote American Playgrounds, Revitalizing Community Space as a history of American playgrounds and a call for change. It has been called “a compelling history, a manifesto, and a manual for change.”