In Order to Accomplish Serial Processing of Updates, What Technique

question 12

Multiple Choice

In order to accomplish serial processing of updates, what technique do many DBMSs use?

• A) backups
• B) locking
• C) encryption
• D) biometrics

Identify stratified random sampling and its application.

Recognize cluster sampling and its uses.

Distinguish between the population, sampling frame, and sampling method.

Understand bias types in surveys and their implications.

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Definitions:

Positively Reinforced

Refers to a behavior that increases in frequency because it is followed by a rewarding stimulus.

Extinguished

In a psychological context, refers to the process by which a conditioned response decreases or disappears after repeated exposure to the conditioned stimulus without reinforcement.

Enhanced

Improved or increased in quality, value, or strength.

Partial Reinforcement

A conditioning schedule where a reward is not provided after every desired response, making the behavior more resistant to extinction.