Over the years, behavior analysis gradually superseded behavior modification; that is, from simply trying to alter problematic behavior, behavior analysts sought to understand the function of that behavior, what antecedents promote and maintain it, and how it can be replaced by successful behavior.
A policy brief is a concise summary of a particular issue, the policy options to deal with. it, and some recommendations on the best option. It is aimed at government policymakers and others who are interested in formulating or. influencing policy. Policy briefs can take different formats.
A brief (Old French from Latin  brevis , short) is a written legal document used in various legal adversarial systems that is presented to a court arguing why one party to a particular case should prevail. In England and Wales, the phrase refers to the papers given to a barrister when they are instructed.