To Represent an Association Pattern in an E-R Model,________

question 56

Multiple Choice

To represent an association pattern in an E-R model,________.

• A)create a new ID-dependent entity with a 1:1 relationship to one other entity
• B)create a new weak,but not ID-dependent entity with a 1:1 relationship to one other entity
• C)create a new strong entity with a 1:1 relationship to one other entity
• D)create a new ID-dependent entity with a N:1 relationships to two parent entities

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Definitions:

Ecological Validity

A property of research such that the focus of study is something that occurs naturally outside an experimental laboratory.

Naturalistic Observation

A research paradigm in which an observer observes participants in familiar everyday contexts while ideally remaining as unobtrusive as possible.

Experiment

A test of a scientific theory in which the researcher manipulates the independent variable.

Experiment

A method of research in the sciences or social sciences in which a controlled procedure is conducted to test a hypothesis, observe effects, and establish cause and effect relationships.