Assessment procedures that use the tree as a symbol are the HTP: House, Tree, Person Test (Buck, 1948); TDT Tree Drawing Test (Koch, 1952); DDS: Diagnostic Drawing Series (Cohen 1985); PPAT Person Picking an Apple from a Tree (Gantt 1990); TTM Tree Theme Method (Alexi & Gunnarsson 1995). A tree is often seen as a symbol of [...]