Lindane, Mirex, and DDT All Belong to a Group of Pesticides

question 7

Multiple Choice

Lindane, mirex, and DDT all belong to a group of pesticides called:

• A) organophosphates.
• B) chlorinated hydrocarbons.
• C) carbamates.
• D) naturally occurring substances.
• E) None of these is correct.

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Definitions:

Independent Variable

In an experiment, the variable that is manipulated or changed by the researcher to observe its effect on the dependent variable.

Dependent Variable

A variable in an experiment that is expected to change as a result of manipulations of the independent variable.

Extraneous Variable

Any variable in a scientific experiment that is not the independent or dependent variable but may affect the results of the experiment if not properly controlled.

Random Assignment

A method used in experiments where participants are allocated to different groups purely by chance, minimizing pre-existing differences between those groups.