Final answer:
According to Horney's research, neurotic trends can change over time and are not solely determined by genetic factors.
Step-by-step explanation:
According to Horney's research on neurotic trends, it has been found that:
- Neurotic trends can change over time
- Neurotic trends are not fixed and can vary from person to person
- Neurotic trends are not solely determined by genetic factors
Therefore, option b) Neurotic trends can change over time is true according to research on the neurotic trends proposed by Horney.