Method for reducing the occurrence of acoustic feedback in a hearing device and hearing device

A hearing device, comprising:

• components for performing a method for reducing an occurrence of acoustic feedback in the hearing device, said components programmed to:
• create a first wearing situation that determines a positioning of the hearing device relative to a wearer;
• create, for the first wearing situation, a first usage situation that is characterized by at least one body movement of the wearer of the hearing device and/or at least one relative position of an external object relative to the body of the wearer;
• determine a plurality of frequency-resolved curves of a feedback tendency of the hearing device for the first use situation;
• ascertain a first criticality measure based on at least one of the frequency-resolved curves for the first use situation that contains information on a frequency range that is critical with respect to the occurrence of the acoustic feedback and a corresponding relative probability of acoustic feedback;
• establishing at a given frequency, the first criticality measure for the first use situation at that frequency based on a dispersion measure for values of the feedback tendency that respectively result from the plurality of frequency-resolved curves;
• establishing a second use situation for the first wearing situation;
• ascertaining a second criticality measure for the second use situation, wherein the second criticality measure for the second use situation is ascertained in an analogous manner to the first criticality measure for the first use situation;
• and
• establishing a target for adapting at least one hearing device parameter and/or an additional hearing device parameter based on the first criticality measure and the second criticality measure.