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 8 until 16 who weigh at least 80 lbs. or are taller than 4 feet 9 inches must use a seat belt or appropriate booster seat. Children ages 4 until 8 must ride in a booster seat or appropriate child restraint system, unless they are taller than 4 feet 9 inches or weigh more than 80 lbs.