Are there numerical values for the monitoring zone cutoffs on ASQ-3? On one of the age intervals, the gray line indicating the monitoring zone ends halfway in the circle representing 45; does that indicate that the monitoring zone cutoff is 42.5?
The monitoring zone for ASQ-3 is set between 1 and 2 standard deviations below the mean for each domain. Table 18 in the technical appendix ( available online or on page 171 of the ASQ-3 User's Guide) includes standard deviations for each domain of each interval. The numbers in Column 1.0 SD represent the top end of…
