Which of the Following Would Most Reduce the Productivity of a 10-Acre

question 21

Multiple Choice

Which of the following would most reduce the productivity of a 10-acre forest?

• A)paving a 2-lane dirt road through the forest
• B)removing the topsoil from the forest
• C)cutting down the largest trees in the forest
• D)adding millions of earthworms to the forest soil

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Definitions:

Factorial Design

An experimental design used to evaluate the effects of two or more independent variables on a set of dependent variables.

Independent Variables

Independent variables are the factors in an experiment that are manipulated or changed by the researcher to observe their effects on the dependent variable.

Interaction

Interaction can describe the reciprocal effect of two or more variables on each other in a study, or the communication and influence between individuals in social psychology.

Factorial Design

An experimental setup that allows researchers to study the effects of two or more independent variables on a dependent variable simultaneously.