Answer: There are no authorized short forms. Most respondents can complete the OASR or OABCL in about 15 to 20 minutes. Data from subsets of items cannot be compared to our reliability, validity, and normative data. Consequently, it would not make sense to abbreviate the forms. However, if time is at a premium, respondents can omit the open-ended items on page 4. If users wish to obtain data for only the adaptive items on page 1 or only the problem items on pages 2 and 3, respondents can be asked to omit the unwanted pages.