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.
1 It's these sex hormones that cause the changes of puberty, like breast development in girls. 2  Peripheral precocious puberty or precocious pseudo-puberty is a different condition. 3  It's also rarer. 4  The hormones estrogen and testosterone trigger the symptoms. 5  But the brain and pituitary gland are not involved.