Which of the following is NOT listed as a threat to internal validity?

Many US firms prefer to sell in Canada, England, and Australia — rather than in larger markets such as Germany and France — because they feel more comfortable with the languages, laws, and culture, which reflect the ________ between these

countries and the United States. A) self-serving bias B) coincident development C) psychic proximity D) cognitive dissonance E) backward invention

Which aspect of niche online social networks makes the medium most appealing to marketers?

A) They help marketers target the best undifferentiated market segment. B) They are used by a majority of Internet users in the United States and overseas. C) They cater to the needs of small communities of like-minded people. D) They guide organizations on how to set up social media networks. E) They allow marketers to control the conversations on the network.