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Ghost Puzzle



Description: Participants have to pick which one of two puzzle pieces would fit into a hole on a board. Pieces depict ghost Рone is identical to the outline of the hole and one is a mirror versions thereof. Stimulus orientation varies in 30deg steps.
Population: 3.5 year-olds
Reference:  Frick, A., Hansen, M. A., & Newcombe, N. S. (2013). Development of mental rotation in 3-to 5-year-old children. Cognitive Development, 28(4), 386-399.