Vi, age 12, is taller and heavier than her mother was at her age, and Vi's mother was taller and heavier than Vi's grandmother was at age 12. This is an example of the

Question

Quizplus · Accepted Answer

The secular trend refers to the increase in physical size and growth that has occurred over generations due to improvements in nutrition, health, and living conditions. This is evident in the scenario described where each successive generation is taller and heavier than the previous one at age 12. The other options (A, B, C) do not apply to this scenario - velocity curve refers to the rate of change in growth, proximodistal trend refers to the development of body parts from center to periphery, and cephalocaudal trend refers to the development from head to tail.

Vi, Age 12, Is Taller and Heavier Than Her Mother