Measuring Change Using Communication Rating Scales: The Case for Rasch Analysis, As Illustrated with the ASHA Facs (Health Care Forum) (American Speech-Language-Hearing Association Functional Assessment of Communication Skills for Adults)

Measuring Change Using Communication Rating Scales: The Case for Rasch Analysis, As Illustrated with the ASHA Facs (Health Care Forum) (American Speech-Language-Hearing Association Functional Assessment of Communication Skills for Adults)

More than a decade ago, the authors of the American Speech-Language-Hearing Association Functional Assessment of Communication Skills for Adults (ASHA FACS; Frattali, Thompson, Holland, Wohl, & Ferketic, 1995) purported that the instrument would “enhance … documentation of progress” and “yield a robust body of functional outcome data” (manual, p. 7). However, because of its ordinal […]