A Disadvantage of the Cross-Sectional Method Is That

question 110

Multiple Choice

A disadvantage of the cross-sectional method is that:

• A) subjects tend to drop out of the study
• B) it is difficult to track people over several years
• C) it prevents the study of people across their life spans
• D) it does not examine the development in each person over time

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Definitions:

Perennial

Describes plants that live for more than two years or streams that flow continuously throughout the year.

Gradient

A rate of inclination or slope, or the rate at which a physical quantity changes with respect to change in another quantity.

Cross-sectional Area

The area of a particular section of an object or material that is exposed when it is cut through by a plane.

Deposition

The geological process by which sediments, soil, and rocks are added to a landform or landmass, often carried by wind, water, or ice.