Final answer:
The DSM-5 retained the same number of separate personality disorders as the DSM-IV, with 10 categorical diagnoses but added an alternative model focusing on personality traits.
Step-by-step explanation:
DSM stands for, Diagnostic and Statistical Manual of Mental Disorders. The number of separate personality disorders remained the same between the DSM-IV and the DSM-5. Although there were proposals for changes during the development of DSM-5, the final publication retains the 10 original categorical diagnoses for personality disorders. The DSM-5 did, however, introduce an alternative model for personality disorders that emphasizes personality traits and functioning, which is included in Section III, serving as a supplemental research model.