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 are the Causes of Early Periods. Early menstrual period reasons happen when hormonal signals are thrown out of sync. Your body produces hormones such as estrogen and progesterone. These hormones are found in the pituitary gland, the hypothalamus and the ovaries. They send signals to one another to trigger menstruation and ovulation.