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.
Age 8-12 Months. By age 8 months, most babies can sit up without support. They also figure out how to roll down to their stomachs and return to a sitting position again.Some babies are in constant motion; they'll arch their necks and look around while on their stomachs and grab at their feet or objects while on their backs.y age 8 months, most babies can sit up without support. They also figure out how to roll down to their stomachs and return to a sitting position again.