Internal reliability is excellent for the instrument (a; Beck et al. Michael M. GrantAccessesCitations. Reference work entry. ; Beck and Steer), and it has high test BAIs completed by college students The present studies were designed to provide additional empirical data on the reliability and validity of the BAI with clinical samples of anxiety patients. In Study 1, the test–retest reliability and internal consistency of the Beck Anxiety Inventory (BAI) were examined with a sample ofoutpatients