In the previous chapters, the child's mental abilities were examined until the end of the eighth year. If the last four years, ie the last four stages, are examined, childhood can be considered to be over. After that, development comes to age; The child is now stepping into the adult section, the symptoms at the second episode occur at that age. The girl starts regl in this age, even a little earlier. Emotional life leads to other purposes, to other experiments. The mental tests for children are no longer available after fourteen years of age. After that, the wit tests for adults are applied. The last stages of the child's mind tests can be summarized as follows. The mental development of a 9-year-old child is at this level/ismail: