DVDs May Be Encoded with One of Six Region Codes

question 50

Multiple Choice

DVDs may be encoded with one of six region codes, preventing videos sold in one region of the world from being used in another region. Why might film distributors use region codes?

• A) to prevent people from buying videos in a low-price region and then reselling them in a high-price region
• B) to make it easier to charge the same price in different locations
• C) to minimize the menu costs of frequent price changes
• D) to reduce the cost of collecting sales taxes, especially in areas with different tax rates

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Definitions:

Blocking

A learning process where the presence of an established conditioned stimulus interferes with the learning of a new conditioned stimulus.

Salience

The quality of being particularly noticeable or important; the state or condition by which something stands out from its surroundings or background in perception.

Behavioral Contrast

A phenomenon in which the rate of response varies according to a change in the reinforcement of an alternative behavior.

Counterconditioning

A behavioral therapy technique that involves teaching the subject to associate a positive response with a stimulus that previously elicited a negative response.