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Old 02-08-2013, 02:42 AM   #2
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Re: FF - harness vs. high back booster

There's just not enough research to prove it either way. The general rule is that as long as the child is physically ready (ie meets the height and weight requirements) and mature enough (at LEAST 4, but most kids aren't ready until 5-6) they are considered equal in terms of safety. Being able to sit still and not wiggle or slouch or pick up a toy is crucial.
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