Miranda warning
Other studies have shown that most juveniles (children and teenagers)  and many adults  do not understand their rights well enough to decide when to use them and when to waive them (not use them).  For example, in one study, a researcher asked juveniles and adults to repeat back the Miranda warning in their own words.  The researcher also asked them to define six of the most important words in the Miranda warning, like "consult," "appoint," and "attorney."  Finally, the researcher tested whether they could understand different versions of the Miranda warning.  He found: