Shared interpretations about what the world is, what it should be, how people should behave, and people's predictable behavior patterns are called

The Carnegie Commission on Educational Television recommended public television to "serve the needs of the American public" in the

A) 1940s. B) 1950s. C) 1960s. D) 1970s.

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