You hear so much conflicting information in mass media. Much of the news is scary. Crime rules the cities, almost everything that tastes good is bad for you, the environment is filled with noxious chemicals, cancer runs amok, and icebergs will soon start to melt. Just what can you believe? How can the results of an opinion poll, a research study, or any set of data be manipulated to bend the truth? (Learning Seed, USA)