Which of the Following Statements Pertaining to the Link Between

question 76

Multiple Choice

Which of the following statements pertaining to the link between lead and crime is inaccurate?

• A) Lead ingestion is linked to lower IQ scores, a factor linked to aggressive behavior.
• B) Criminologists have reported that areas with the highest concentration of lead also reported the highest levels of homicide.
• C) Lead exposure is linked to mental illnesses, which have been linked to antisocial behaviors.
• D) The average blood lead level has increased over the past decade.

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Definitions:

Experiment

A method of investigation in the sciences or social sciences in which variables are manipulated to observe the effect on some behavior or condition.

Testable Prediction

A testable prediction is a specific statement about the expected outcome of a scientific experiment, based on a hypothesis or theory, that can be observed and measured.

Independent Variables

Variables in an experiment that are manipulated or changed to observe their effects on dependent variables.

Dependent Variables

In an experiment, the variable that is being measured or tested, expected to change as a result of manipulation of the independent variable.