A Researcher Selects a Sample of Citizens in a Community

question 68

Multiple Choice

A researcher selects a sample of citizens in a community and interviews them before a new factory is built in the community.The researcher interviews these same citizens six months later and one final time a year later.The researcher has engaged in ______ research design.

• A)trend
• B)cross-sectional
• C)panel
• D)age
• E)period

Understand the concept of stipulative definitions and their role in defining terms.

Assess and correct definitions that violate clarity and precision.

Grasp the significance of context in determining whether a definition is too broad or too narrow.

Analyze the impact of word choice on definition clarity and precision.

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Definitions:

Timing

The selection of the precise moment for doing something for optimum effect, such as delivering a punchline or making a decision.

Teratogen

is any substance or agent that can cause congenital anomalies or increase the incidence of an anomaly in a population.

Placental Barrier

Refers to the cellular and structural barrier formed by the placenta, which separates the mother's blood from the fetus's blood, allowing exchange of nutrients and waste while protecting the fetus from harmful substances.

Unborn Child

A developing fetus or embryo that has not yet been born, typically in the context of pregnancy.