Question: What is the Haptic Intelligence Scale (HIS)?

Answer: The Haptic Intelligence Scale was designed to be used with, or independently of, the verbal scale of the WAIS. Wechsler's procedures were followed in establishing age categories and the statistical treatment of the data.

Subtests are interesting, and the subjects enjoy them. Test materials are attractive, well constructed and very durable. The scale is composed of 6 subtests:

1. Digital Symbol: Consists of a plastic plate embossed with simple geometric forms. A column, down one side of the plate, includes one sample of each of the six forms used. Raised dots (not braille), superimposed on each sample form, indicate a number with which that form is to be associated.
2. Object Assembly: Consists of a block, doll, hand, and ball; each of which is dissected into several pieces. Objects are to be assembled.
3. Block Design: Consists of four cubes, each of which has two smooth sides, two rough sides; and two sides diagonally-bisected into half rough, half smooth. The blocks are arranged to form patterns identical to those appearing on plates prepared from the same materials.
4. Object Completion: Consists of 16 familiar objects from which one important part has been removed (e.g., comb with a missing tooth). Subject identifies the missing parts.
5. Pattern Board: Consists of a 7-1/2 inch square board with 25 round holes, one-half inch in diameter, arranged in rows of five. Pegs are inserted in the holes to form patterns. A fixed peg in the center hole serves as a reference point. Subject examines a pattern with his fingers and then reproduces it after pegs are withdrawn.
6. Bead Arithmetic: Consists of an abacus, approximately 10 X 11 inches, with one broad horizontal divider. Five spokes are set in the frame, each with five large