What is the test for a waiver of a child's rights?

When a defendant waives a waiver of his right to leave the scene of the crime, does the waiver constitute a knowing waiver? (California, United States of America)

Is a waiver of a defendant's right to testify a personal waiver of that right? (California, United States of America)

What waiver of appeal rights apply to a criminal defendant who knowingly waives any significant right such as constitutional rights? (California, United States of America)

Is there any waiver of rights or waiver of the rights in a post-plea determination of the degree of the crime? (California, United States of America)

Does a waiver allowing a defendant to waive his right to a jury trial apply when he entered into the waiver? (California, United States of America)

What is the test for determining custody of a child when the child is in the custody of the state where the child was born? (California, United States of America)

Does a parent have a right to physically restrain their child from physically assaulting the child? (California, United States of America)

Does a minor have a constitutional privacy right to refuse to report to child protective agencies of a suspected violation of section 288 of the California Child Protection Act? (California, United States of America)

Is a defendant's waiver or abandonment of self representation a waiver of the right to self representation? (California, United States of America)

Can a waiver and plea agreement be relied upon as evidence of a waiver of the right to appeal the sentence? (California, United States of America)