Walmart's $419 billion in global sales is more than the combined gross national product (GNP) of many nations

When a researcher makes an educated guess based on a theory, that guess is called a(n) _____

Answer:

According to the text, giving a fair hearing to opposing viewpoints helps a listener to

a. formulate rebuttal arguments b. grow as a communicator c. avoid extraneous mental activity d. be influenced by the speaker