If you need to screen newborn infants, you can use the 2 month questionnaire. However, the ASQ developers do not recommend that you refer on the basis of score (i.e., if the child falls below the cutoff). You should wait until the child is 2 months of age and ask parents to complete the 2 month questionnaire again.
The ASQ-3 screens children up to 66 months of age. The ASQ:SE-2 screens children up to 72 months of age.
When conducting research and data analyses for ASQ-3, the developers used 39 weeks as a full-term pregnancy. To calculate the number of weeks premature, you subtract the gestational weeks at birth (e.g., 35 weeks) from 39 weeks. However, if your program uses 40 weeks (or 38 weeks) as a full term pregnancy, you can co…
ASQ-3 questionnaires are used to screen young children in the first 5½ years of life (1–66 months). It is not recommended to use the 60 month ASQ-3 questionnaire on an older child, as they are above the age range of the research sample used to determine the cutoff scores. However, if you don't have any other tools to…