An Instructor Gives Weekly Tests in One Class and Just

question 134

Multiple Choice

An instructor gives weekly tests in one class and just one midterm exam to a second class and then compares performances of students in the two classes when they all take the same final exam. What is the dependent variable in this experiment?

• A) the number of students in each class
• B) the difficulty of the final exam
• C) the number of tests given before the final exam
• D) the students' scores on the final exam

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Definitions:

Environmental Quality

Refers to the condition of the environment and its capacity to support the health of ecological communities and human well-being.

Hydroelectricity

Electricity generated by harnessing the energy of falling or flowing water, typically by using dams or diversion structures to drive water turbines and generators.

Tidal Energy

Renewable energy obtained by harnessing the movement of tides, typically through the use of tidal turbines or barrages, converting kinetic energy into electricity.

Energy Efficiency

The strategy of using less energy to provide the same service or perform the same task, which helps in reducing energy waste and improving economic efficiency.