What does the five factor personality inventory for children FFPI-C measure?

Taken from the Five Factor Personality Inventory - Children (FFPI-C) manual: The Five-Factor Personality Inventory - Children (FFPI-C) is a standardized norm-referenced inventory of personality traits for children and adolescents. The FFPI-C is based on the modern five-factor model of personality, also known as big-five personality theory. It measures the traits, Agreeableness, Extraversion, Conscientiousness, Openness to Experience, and Emotional Regulation. Psychologists, mental health professionals, or researchers can use the FFPI-C. The FFPI-C was normed on a diverse demographic sample of 1284 children and adolescents residing in 16 states. Testing takes approximately 15 to 40 minutes.