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:

Igneous Rock

Rock formed through the cooling and solidification of magma or lava, categorized into intrusive or extrusive depending on the environment of formation.

Sierra Nevada

A mountain range in the Western United States, known for its dramatic landscapes, including Yosemite Valley and Lake Tahoe.

Granitic Rocks

Igneous rocks primarily composed of quartz, feldspar, and mica, known for their coarse-grained texture.

Metamorphism

A geological process where rocks undergo physical and chemical changes due to extreme heat and pressure, forming new types of rocks.