Suppose You Are a Neuroscientist, and You Are Studying Brain

question 14

Multiple Choice

Suppose you are a neuroscientist, and you are studying brain activation differences between younger adults and older adults. You notice that while performing the same set of tasks, the older adults tend to use more of their brains than the younger adults. This phenomenon is known as ______ among older adults.

• A) compensation
• B) deletion
• C) addition
• D) neural subtraction

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Definitions:

Dummy Variables

Variables created to represent categorical data with two or more categories by assigning binary values (0 or 1), allowing them to be used in regression models.

Qualitative Variables

Variables that express qualitative attributes, and are usually described by non-numeric categories or groups.

Regression Model

A statistical approach for estimating the relationships among variables, often used for prediction and forecasting.

Dummy Variables

Variables created to assign numerical values to categorical data, often used in regression analysis to include qualitative factors as independent variables.