• avoidance
  • The Fear and Avoidance Scales (FAS) is an 11-item questionnaire consisting of two subscales that measure features of agoraphobia and claustrophobia and that were demonstrated to be valid Guttman scales in a British clinical population. (ox.ac.uk)
  • Scale
  • Scalogram analyses showed that the Claustrophobia subscale of the FAS was a valid Guttman scale in the US sample whereas the Agoraphobia subscale yielded a high coefficient of reproducibility but a low coefficient of scalability. (ox.ac.uk)
  • factors
  • A principal components analysis replicated the agoraphobia and claustrophobia factors established in the British sample. (ox.ac.uk)