A priori method according to Peirce, a way of fixing belief according to the reasonableness of the event.
A-delta fibers refer to small sensory fibers that are involved in the experience of “fast” pain.
A-State is another name for State anxiety that refers to a temporary condition of dread or uneasiness stemming from a specific situation. State anxiety is an emotional reaction to a situation that from one situation to the next. Moreover, A-State or State anxiety is defined as an unpleasant emotional arousal in face of threatening demands or dangers.
A-Trait is another name for Trait anxiety that refers to Personality characteristic that manifests itself as a more or less constant feeling of dread or uneasiness.