Marketing is usually directed at bringing about an exchange between an organization and a customer

You are investigating an incident that occurred at your workplace before addressing the public. You interviewed three people one hour after the accident and are now interviewing them again to check their stories. What are you trying to guarantee?

A) statistical significance B) practical significance C) validity D) reliability E) sampling appropriateness

Public speaking is more planned and formal than conversation

Indicate whether the statement is true or false.