sample of consumers or stores from which researchers take a series of measurements is referred to as a(n)

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A panel refers to a group of consumers or stores from which researchers take a series of measurements over time. An experiment involves manipulating certain variables to observe their effects on a target audience. A focus group involves a small group of people who provide feedback on a product, service, or idea. A jury of executive opinion involves a group of managers or executives who provide their opinions on a business issue. A survey of experts involves collecting opinions or data from a group of individuals who are considered experts in a particular field.

Sample of Consumers or Stores from Which Researchers Take a Series