Before an article is deemed appropriate to be published in a peer-reviewed journal, it must undergo the following process: 1  The author of the article must submit it to the journal editor who forwards the article to experts in the field. Because the reviewers specialize in the same scholarly area as the author, they are considered the authorâs peers (hence âpeer reviewâ).
Your baby will probably learn to sit independently between the ages of 4 and 7 months. Your baby will have mastered rolling over and holding his head up. Most babies can sit well for several minutes without support by the time they're 8 months old.
While you can prop your baby in a sitting position almost from day one, true independent sitting doesn't begin until he has head control. Starting at about 4 months, your baby's neck and head muscles strengthen rapidly, and he'll learn to raise and hold his head up while he's lying on his stomach.Baby on the move: Sitting How your baby gets ready to achieve his first big developmental milestone.tarting at about 4 months, your baby's neck and head muscles strengthen rapidly, and he'll learn to raise and hold his head up while he's lying on his stomach. Baby on the move: Sitting How your baby gets ready to achieve his first big developmental milestone.