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.
Children ages 4 until 8 must ride in a child safety seat or booster seat unless they are over 4 feet 9 inches or weigh more than 40 lbs. Children under age 4 must be restrained in a child passenger restraint system.