Yes, information about each ASQ:SE-2 item can be found on pages 33–35 (Table 3.3) in the ASQ:SE-2 User’s Guide. In addition to listing the behavioral area, associated content, and ASQ:SE-2 items by age interval, this chart also includes an indication if an item is new to the 2nd edition.
Within the ASQ:SE-2 technical report, the developers make the following statements regarding gender and interpreting results: “It is important to note that the validity sample did not have adequate numbers of girls identified with social-emotional problems to determine if separate cutoff scores for females are…