Performance Subtests

Performance Subtests

	Attention to visual detail
	Alertness to detail, visual discrimination
	Ability to identify missing part of picture

	Visual-motor skills, processing speed
	Visual-motor coordination, speed, concentration
	Ability to decipher a code and copy correct symbols in a controlled period of time

	Attention to visual detail, sequential reasoning
	Logical thinking in a social setting
	Ability to create the whole from its parts (child puts pictures in order so that the story they tell makes sense)

	Visual abstract ability
	Spatial analysis, abstract visual problem-solving
	Ability to look at the whole, then break into parts and reconstruct the whole (e.g., child given blocks and pictures and must re-create the picture using blocks)

	Part-whole reasoning
	Visual analysis and construction of objects
	Ability to make a whole out of its parts (child given puzzle parts and must complete the puzzle)

Symbol Search (Optional)

Includes visual-motor quickness, concentration, persistence

Note: new with WISC III

Mazes (Optional)

	Grapho-motor planning, visual-motor coordination and speed
	Fine motor coordination, planning, following directions
	Ability of find way out of maze by using a pencil (performance also based on time)

Source: Text taken largely from Hoagie's Gifted Education Page. Other appropriate credits to be provided.