Mean Scale Score for CSTs. This is the arithmetic mean or average of the scale scores for all students who took each grade-and/or content-specific CST without modifications. The scale scores for each grade and subject area range between 150 (low) to 600 (high).
Causes of central precocious puberty can include: 1  damage to the inhibitory system of the brain (due to infection, trauma, or irradiation), 2  hypothalamic hamartoma produces pulsatile gonadotropin-releasing hormone (GnRH), 3  Langerhans cell histiocytosis, or.  McCuneâAlbright syndrome.
What is delayed puberty? Delayed puberty is when a teen goes through these body changes later than the usual age range. For girls, it means no breast development by age 13 or no menstrual periods by age 16. For boys, it means no enlargement of the testicles by age 14. What causes delayed puberty? Some teens are âlate bloomersâ who just happen to start puberty later than most children their age. Being a late bloomer is the most common cause of delayed puberty. Itâs not caused by a medical problem and usually doesnât need treatment. Late bloomers will eventually start puberty on their own and catch up to their friends. Other causes for delayed puberty may be due to Kallmann Syndrome.