Hannah wants to see if her new technique of ping-pong playing can increase one's ping-pong performance. she asks the u. s. olympic ping-pong team to work with her. half of the u. s olympic team is randomly assigned to be taught by the new style, the experimental group, and the other randomly assigned half are not, the control group. her technique does not significantly increase the performance of the experimental group compared to the control group, perhaps because they are already so good at the sport. this could be an example of

Over the past decade, brands that were once available only to the wealthy have created more affordable product extensions, giving a far broader range of consumers a taste of the good life. jaguar, for instance, launched its x-type sedan, which starts at $30,000 and is meant for the "almost rich" consumer who aspires to live in luxury. by marketing to people who desire a luxurious lifestyle, jaguar is using:

An important source of public scrutiny is "watchdogs." these are: the efforts of a firm's competitors, including how often the competitors attack the firm's strategies. taxpayer-supported government agencies that limit a firm's ability to compete in foreign markets. companies designated by the government to only produce products that support the government defense program. socially conscious groups that make it their mission to measure the social responsibility levels of businesses, and provide consumers with their opinions about the level of corporate responsibility of various companies.

What tax is paid by the most people in the united states