Final answer:
The PAST is unique in its suitability for preschool-age children, its consideration of automaticity in scoring, and its brief and convenient administration, but does not provide corrective feedback.
Step-by-step explanation:
Features that separate the Phonological Awareness Screening Test (PAST) from other phonological skills assessments include its ability to be administered to younger children, including preschool-age children, and the inclusion of automaticity as a factor in determining a student's score. Additionally, PAST is known for being briefer and more convenient to administer than other phonological awareness assessments. However, one feature that is not characteristic of PAST is the provision of corrective feedback during the testing process; the assessor does not give corrective feedback if the student responds incorrectly.