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.
Before your baby is able to sit unaided, he or she may try to pull him or herself into a sitting position by pulling up on your hands. Most babies should be able to begin sitting without support between 6 and 9 months old. 1  In the first month: At first a baby cannot control the movement of his or her head and will have a rounded back that needs support in a sitting position. By the end of the first month a baby should be able to lift his or her head momentarily and turn it from side to side while lying on his or her back.