It would make sense to confer with the specialist to evaluate your behavior management interventions. Tantrums are common in young children, and as long as they are non-destructive in nature you are best off ignoring them. Also, try to cut your losses, so to speak. You have learned that taking her out to restaurants is a risky proposition - so, avoid it. To take her is to place her in situatioons she is not prepared to handle. Her activity level, like many young children, is high. Is it beyond the norm? Perhaps. But it really is too early to deternine if she displays a hyperactivity syndrome typical of ADHD. Even if she does, she's too young to treat with medication, so it really is a moot point.