Each item scored on a 5 point scale (range 0-4) and measure of symptom severity is obtained by summing item scores. To obtain a measure of symptom severity, sum marked responses of the total and/or the respective sub-scales. Mean score: divide sum-score by respective number of scale items.
Laws aside, kids aren't ready to make the switch from a booster seat to seat belts until they're at least 4 feet 9 inches tall and can pass the five-step test below â typically between ages 8 and 10.
Height Requirements. A child must be at least 4 feet 9 inches tall and age 13 to safely ride in the front seat, according to the Centers for Disease Control and Prevention. If your child reaches this height but hasn't reached his eighth birthday yet, he still needs to sit in a booster in the backseat.