During Requirements Structuring

question 64

Multiple Choice

During requirements structuring:

• A)an E-R model represents conceptual data requirements for a particular system
• B)the conceptual E-R data model is refined before it is translated into a logical format from which database definition and physical database design are done
• C)an enterprise-wide data model with very broad categories of data and little detail is prepared
• D)a specific E-R model is built to help explain the scope of a particular systems analysis and design effort

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Definitions:

Variable Manipulation

The process of intentionally changing variables to test their effects in an experiment.

Environmental Factors

Aspects of the environment that can affect processes, behaviors, and the performance of individuals or groups.

Alcohol Consumption

The act of drinking beverages containing ethanol, commonly measured in terms of frequency and quantity.

Mortality

The incidence of death within a particular population over a specified period of time.