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Professor Plum devises a new personality test and administers it to a large and representative group of people, finding a wide distribution of scores on the test. Two months later he administers a second form of the same test to the same people and finds that most people receive almost the same score they had the first time. He should conclude that the test has
Advertising
The activity or profession of producing advertisements for commercial products or services to influence consumer behavior.
Signaling Theory
A theoretical framework explaining how individuals or entities convey certain information about themselves to differentiate from others.
High-Quality
A characteristic of products or services that exceed normal expectations in terms of performance, durability, or satisfaction.
Low-Quality
Referring to products or services that fail to meet expected standards of performance, reliability, or durability.
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