This application provides a
data acquisition system for psychological experiments, relating to the field of
data acquisition technology. The
system includes: a wristband module for wearing on a target object to collect physiological and motion state data of the target object during a
psychological experiment; a gateway module communicatively connected to the wristband module; and a central control module communicatively connected to the gateway module to receive and process data forwarded by the gateway module. The wristband module includes: a main
control unit; a physiological parameter acquisition unit for collecting physiological data of the target object during the
psychological experiment; a motion state acquisition unit for collecting motion state data of the target object during the
psychological experiment; a first
communication unit connected to the main
control unit for sending the collected data to the gateway module; and a
touchscreen for displaying a psychological experiment answering interface and an emotional state feedback interface to assist the target object in completing questionnaire selections and providing emotional state feedback.