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.
When a child has outgrown the forward facing, harnessed car seat, itâs time to use a booster. Children should never go into a booster before a minimum weight of 40 lbs AND before age 4. Both milestones must occur before boostering. 1  The child turns 8 years old, AND.  The adult belt alone fits them correctly.