DrBelair Is Studying the Effects of Noise Exposure on the Occurrence

question 84

Essay

Dr.Belair is studying the effects of noise exposure on the occurrence of headaches.He exposes 20 subjects to a constant noise in their work environment and asks them to record their headaches.The next week he uses the same subjects without exposing them to noise and measures the number of headaches the subject's record.
A.Independent variable noise/ no noise: dependent Variable is the number of headaches subject's experience A.What is Dr.Belair's independent variable & Dependent Variable?
B.She is using a within-subjects design B.What type of design is Dr.Belair using?

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Tax credits designed to offset the costs of education for college or vocational school tuition and fees.

Criteria

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Qualifying Child

A dependent who meets certain conditions set by the IRS, related to age, relationship, residency, and support, allowing a taxpayer to claim certain tax benefits.

Child Tax Credit

A tax benefit aimed at helping families offset the cost of raising children by reducing their tax liability.