• If your child is a baby or toddler, these behaviors may be experimental and may not be linked to aggression. I have seen toddlers playing happily when all of a sudden one begins to shriek because he or she has been bitten. 
• The child could be teething or just "mouthing" the other child or you as she does her toys. 
• She may be doing these things to see the reaction it causes.
• Toddlers and older children may bite, hit or kick when they become frustrated or angry and have not yet learned other ways to communicate.

What can I do about aggressive behavior?:

• Become aware of any situations that may be a trigger for this behavior - sometimes it only happens while playing with a certain child, while playing with a certain toy or even if the child is hungry or tired.
• Keep a close eye on your child while she is going through this stage. This is not a time for you to sit back and chat with the other parents. You will need to stay close so that you can head off the behavior before it happens. If you see your child becoming frustrated, you could try distracting her with another toy or activity, or help her to verbalize what she is trying to communicate.  Give your child the needed words such as "It's my turn," or "I'm still using that." If you see she is unable to control herself, remove her from the situation.
• As hard as it is, let other parents know during playdates, as well as your daycare provider.
• Praise children when they use words instead of hitting and biting.
• Avoid reacting by humiliating or yelling at your child. This often makes the situation worse. Remember, your child is still learning appropriate ways to behave.

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