Ellie Has Migraine Headaches on a Regular Basis

question 5

Multiple Choice

Ellie has migraine headaches on a regular basis.If she lies down as she feels a headache arising,she can prevent a migraine from developing.Her doctor prescribes a new medication that is 95 percent effective in preventing migraines.Ellie takes the medication but also continues to lie down when she feels a migraine coming on.Three months after he writes the prescription,the doctor asks her whether it has helped her.According to the two-factor theory of avoidance learning,Ellie

• A) wouldn't know,since she lies down when she feels a headache developing.
• B) would probably say the medication works and she has not had a headache in three months.
• C) would probably tell the doctor she took the medication but doesn't think it works.
• D) wouldn't know because she is not a doctor.

Understand the stepwise regression process including its iterative nature and applications.

Identify how many dummy variables are needed to include qualitative variables in a regression model.

Comprehend the role of dummy variables in representing qualitative data within regression models.

Understand the concept and calculation of the coefficient of determination in explaining the variability in the dependent variable by the model.

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Definitions:

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