Community psychologists effect change by prioritizing the main goal,which is to overcome emotional and psychological barriers.

The "Intervention and Evaluation" chapter discusses the fact that many social and practical problems are complex and have multiple interdependencies.These interdependencies suggest that in order to be effective in addressing complex problems,interventions designed to address them should be

A) simple, so they can be effectively implemented
B) simple, so they can be properly evaluated
C) simple, so they can be understood by stakeholders
D) correspondingly complex

Which concept is consistent with the research project that Rhianna is working on

A)  Skinner's behaviour modification 
B)  Titchener's introspection 
C)  Rogers's humanism 
D)  Pavlov's stimulus-response learning