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 early puberty? What causes it? Early puberty is sometimes called precocious or premature puberty. In most cases, early puberty is just a variation of normal puberty. In a few cases, there may be a medical reason for early puberty. You may want to visit your doctor if a young girl develops breasts and pubic hair before 7 or 8 years of age.