a child who response "NO" to every request is demonstrating.

obstinancy?

a mind of her own?
normal two-year-old behavior?

This depends on the age of the child. Dr Spock says so.

A child who responds "NO" to every request is demonstrating a behavior known as oppositional defiant disorder (ODD). ODD is a psychological condition characterized by a persistent pattern of disobedient, hostile, and defiant behavior towards authority figures.

To understand this behavior, it's important to consider various factors that may contribute to the child's defiant response. Here are a few potential factors to consider:

1. Autonomy and Independence: During early childhood, children are developing their sense of autonomy and independence. Saying "NO" can be a way for them to assert their individuality and control over their own choices.

2. Developmental Stage: At certain stages of development, children may enter a phase known as the "terrible twos" or "threenager" stage. During this time, they may exhibit more defiant behaviors as they test boundaries and assert themselves.

3. Attention-seeking: Some children may use defiance as a tactic to gain attention and provoke a reaction from adults or peers, which can be reinforced if they receive attention even for negative behaviors.

4. Frustration or Lack of Communication Skills: If a child struggles to express their needs or wants, they may resort to a simple, firm "NO" as a way to communicate their frustration or inability to comply.

When dealing with a child who responds negatively to every request, it's important to:

1. Stay Calm and Patient: Reacting with frustration or anger can escalate the situation. Stay calm, composed, and consistent in your response.

2. Offer Choices: Giving the child appropriate choices can help them feel a sense of control while still encouraging cooperation. For example, instead of commanding, "Eat your vegetables," you can say, "Would you like broccoli or carrots with your dinner?"

3. Set Clear Expectations and Boundaries: Establish clear rules and consequences. Consistency is key in helping them understand what behaviors are acceptable and the consequences that may follow.

4. Communicate and Listen: Encourage open dialogue and listen to the child's perspective. Show empathy and acknowledge their emotions, teaching them healthier ways to express their frustrations or concerns.

If the defiant behavior persists and significantly impacts the child's daily life or interactions, it would be advisable to seek professional help from a pediatrician, psychologist, or behavioral therapist. They can assess the situation, provide a proper diagnosis, and offer appropriate strategies to manage and improve the child's behavior.