Professor McSpell Designed an Experiment to Test Her Hypothesis That

question 8

Multiple Choice

Professor McSpell designed an experiment to test her hypothesis that exercise will increase spelling ability.She divided children into three groups and had one group do 10 minutes of exercises,one group do 30 minutes of exercises,and the third group do no exercise.She then tested all three groups of children to see how many words they could spell correctly on a spelling test.In this experiment,the scores on the spelling test serve as the

• A)dependent variable.
• B)independent variable.
• C)control group.
• D)reliability measure.

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Definitions:

Tsunami

A tsunami is a series of ocean waves with extremely long wavelengths caused by large-scale disturbances such as underwater earthquakes, volcanoes, or landslides.

Ground Ruptures

Cracks or breaks in the Earth's surface caused by seismic activity, such as earthquakes, which can lead to significant damage to the built environment.

Seismic Station

A facility equipped with seismographs and other instruments to detect and record earthquakes and other ground vibrations.

Epicenter

The point on the Earth's surface directly above the focus of an earthquake, where the seismic waves are felt most strongly.