Human hair color used in physical anthropology and medicine to determine the shades of hair color. The scale uses the following designations: A (very light blond), B to E (light blond), F to L (blond), M to O (dark blond), P to T (light brown to brown), U to Y (dark brown/black) and Roman numerals I to IV (red) and V to VI (red blond). Brown hair is characterized by higher levels of eumelanin and lower levels of pheomelanin. Of the two types of eumelanin (black and brown), brown-haired people have brown eumelanin; they also usually have medium-thick strands of hair. Brown-haired girls
Spann-Fischer Codependency Scale the Department of Human Development and Family Studies at Texas Tech University. In a series of studies, Fischer, Spann, and Crawford (1991); Fischer and Crawford (1992); and Fischer, Wampler, Lyness, and Thomas (1992) defined co-dependency as a dysfunctional pattern of relating to others with "an extreme focus outside oneself, lack of open expression of feelings, and attempts to derive a sense of purpose [exclusively] through relationships" with others. The Spann-Fischer Scale has enjoyed good test-retest reliability ( > .80), and acceptable internal consistency (.62 < < .92), across studies. Spann-Fischer scores have been associated with membership in Codependents Anonymous, gender,