1.8.A classification system that focuses on how much of a given characteristic an individual exhibits is called
1.9.The development of scientific classification systems proceeds in an orderly fashion over several years from the first steps involving description to later stages involving
1.10.The most likely theories for the cause of mental disorders involve
A)biological systems only.
B)psychological systems only.
C)social systems only.
D)interactions involving biological,psychological,and social systems.
1.11.Mental disorders are currently classified on the basis of