Measures of teachers' knowledge (Ziegler, McCallum & Bell, 2009) especially may be
useful in helping to ascertain whether professional development is effective in leading to
increased reading achievement for adult learners (Kruidenier, MacArthur, & Wrigley, 2010).
In addition, because there are no generally accepted standards for adult educator preparation
and professional development and no established criteria for determining who is qualified to
teach adults basic reading skills, there is considerable heterogeneity among service providers.
Additionally, there currently is not a sound instrument available to determine level of
preparation. This study was designed to describe the development and utility of such a
measure, the Assessment of Reading Instructional Knowledge-Adults (ARIK-A).