What is the role of common factors practice strategies in organization practice?

What is the role of common factors practice strategies in organization practice?
 
  a. To dictate to the social worker how to go about practicing with clients in a
  focused and structured way
  b. To help colleagues and critical actors better understand the ways in which
  proposed changes might benefit clients and also help them to understand and
  overcome change suppressing anxieties, concerns, and self-protective
  resistances
  c. To ensure that social workers follow the common factors model with little to
  no creative individuation
  d. To create worry and concern for the social worker regarding which practice
  strategy is the right one they should be using in particular moments of
  organization practice