What contributes to memories being altered, reinforced, and manipulated?

Elizabeth Loftus has shown that many times, we can convince someone that he or she remembers something that never really happened. When researching this topic, some questions to consider in your response may include:

What contributes to memories being altered, reinforced, and manipulated? What factors contribute to false/poor memory recall, decay, forgetting (name at least three things and discuss their role)? Explain the capacity and accuracy of memories and what limitations (if any) our memory has. What are the 3 components of memory and information processing (define and explain their functioning)?