The ASQ-3 scores are domain scores; there are only 6 questions for each ASQ-3 area so skipping even 1 questions means missing 1/6th (16.67%) of the data; omitting 2 items for an area means missing 2/6th or 33.33% of the data. There is only one ASQ:SE-2 score which is calculated from all of the items on a questionnaire ...
The authors recommend that the professional attempt to allow the parent to try the activity at a later time. However, if that is not possible, the item can be skipped. Up to 2 items can be omitted per area for ASQ-3. Instructions for scoring questionnaires with omitted items can be found on page 72 of the User's Guide....
Successful use of ASQ-3 and ASQ:SE-2 with interpreters requires interpreters that are familiar with both the language and culture of a given population. This article describes best practices for[ using interpreters][1]. In terms of norms, because ASQ-3 and ASQ:SE-2 were normed on large groups of children in the Uni...