The trial phase of the social media marketing maturity life cycle is exemplified by which of the following?

A) Experimenting with cool new social media ways to communicate.
B) Planning social media marketing activities with clear objectives and metrics.
C) Integrating social media as a key component of the organization's overall marketing plan.
D) Thinking about social media activities in a more systematic way.
E) None of these.

When people often blame an "act of nature" or their colleagues for their plans going awry, they are illustrating the cognitive bias known as the overconfidence effect.