What are the principles involved in the process of sewage filtration?

What is your thoughts on the use of medical marijuana? (social experiment) re posted i need 5 opinions there are no wrong answers.

Which do you focus on to lower your set point

“an abused child's thoughts occasionally drift to other, less anxiety-arousing topics; this anxiety reduction thus serves to strengthen 'other' thoughts, while weakening the thoughts about abuse.” a psychologist with which theoretical background would be most likely to offer this quotation as an explanation for the development of dissociative disorders?