Within an Entity-Relationship Diagram,the _______ Symbol Represents an Entity Class

question 54

Short Answer

Within an entity-relationship diagram,the _______ symbol represents an entity class.

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Definitions:

Internal Validity

The extent to which a study or experiment can establish a cause-and-effect relationship within its scope, free from external influences.

Observational Studies

Research methods where subjects are observed in their natural environment without any manipulation by the researcher, used to collect data on behaviors, outcomes, or phenomena.

Laboratory Experiments

Controlled tests conducted in a structured and isolated environment to investigate hypotheses by manipulating variables.

External Variables

Factors outside the individual that can influence their behavior or the outcome of a situation, including environmental, social, or economic conditions.