Professor House Believes That Regular Exercise Boosts Academic Achievement

question 39

Multiple Choice

Professor House believes that regular exercise boosts academic achievement. To find out if that is true, she compares, over the course of six months, the academic achievement of a group of students who, by their own admission, get little or no exercise, with that of a second group of students who exercise regularly. This is an example of a(n) :

• A) double-blind study.
• B) expectancy study.
• C) quasi-experiment.
• D) clinical trial.

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Definitions:

Primary Producers

Organisms that synthesize food from inorganic substances using light or chemical energy; the base of a food chain.

Bacteria

Microscopic, single-celled organisms found in diverse environments that play critical roles in various ecological systems, including the human body.

Limiting Factor

An environmental condition that constrains a population's size, growth rate, or distribution.

Landscape Ecology

A branch of ecology that focuses on the patterns and interactions between ecological processes and ecosystems within heterogeneous landscapes.