Three-Dimensional Perspective Taking Ability Assessment Tool

A three dimensional (3D) perspective taking ability (PTA) test system comprising:

• a. a test mode applicator running a test mode that:
• i. applies a 3D virtual reality setting;
• and
• ii. measures spatial orientation and spatial navigation abilities of a test subject;
• b. a first instruction applicator that gives, for each trial, the test subject a first set of instructions, the first set of instructions instructing the test subject to mentally re-orient himself in the 3D virtual reality setting from the perspective of an avatar that faces a starting object;
• c. a delay mechanism that creates a pause in the test mode after the first instruction applicator executes the first set of instructions;
• d. a second instruction applicator that gives the test subject a second set of instructions after the pause expires, the second set of instructions instructing the test subject to point an input device in the direction of a target object;
• e. a response time measurer that records the test subject's response time after the second instruction applicator provides the second set of instructions;
• and
• f. an accuracy measurer that:
• i. records the test subject's response;
• ii. calculates the accuracy of the response;
• and
• iii. computes a 3D PTA test score for the trial.