Examlex
Convergent validity is established when the scores obtained with two different instruments measuring the same concept are highly correlated.
Full-Service Retailers
Businesses that offer a wide range of services to their customers, including sales assistance and after-sales services.
Depth of Product Line
The range of different items of the same type that a company sells, offering variety to consumers.
Product Classes
Categories or groups of products that serve similar purposes and are perceived by consumers as related or comparable.
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