A psychological assessment method and system based on dynamic sand tool interaction sequences

Abstract

This application provides a psychological assessment method and system based on dynamic sandplay interaction sequences, relating to the field of psychological assessment technology. The method includes the following steps: collecting multimodal time-series data during user interaction with the sandplay object; identifying operation event units based on motion trajectory data and contact area data; determining interruption events based on the topological characteristics of the motion trajectory, including trajectory reversal, reversal after hovering, acceleration abrupt change, or contact area abrupt change; calculating the operation integrity index of each operation event unit based on the motion trajectory data corresponding to that operation event unit, with the operation integrity index being negatively correlated with the quantified value of the topological characteristics; arranging the operation integrity indices of each operation event unit in chronological order to construct an operation integrity index time-series curve, and identifying conflict patterns based on the time-series curve; and generating a psychological assessment report based on the operation event units, the operation integrity index time-series curve, and the conflict patterns.

Images