| avoidance-avoidance conflict | A situation of indecision and vacillation when the individual is confronted with two equally unattractive alternatives. (05 Mar 2000) |
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| allergen | <immunology> An antigenic substance capable of producing immediate type hypersensitivity reaction (allergy). (06 Oct 1997) |
| approach-avoidance conflict | A situation of indecision and vacillation when the individual is confronted with a single object or event which has both attractive and unattractive qualities. (05 Mar 2000) |
| avoidance conditioning | The technique whereby an organism learns to avoid unpleasant or punishing stimuli by learning the appropriate anticipatory response to protect it from further such stimuli. Compare: escape conditioning. Synonym: avoidance training. (05 Mar 2000) |
| avoidance learning | A response to a cue that is instrumental in avoiding a noxious experience. (12 Dec 1998) |
| avoidance training | The technique whereby an organism learns to avoid unpleasant or punishing stimuli by learning the appropriate anticipatory response to protect it from further such stimuli. Compare: escape conditioning. Synonym: avoidance training. (05 Mar 2000) |