Researchers in life-span development have a special concern with studies that focus on the relation of age to some other variable.
<h3>What is meant by lifespan development?</h3>
This has to do with the study that is focused on the ways that people would grow and also change during the course of their lives. This is the type of study that would be involved in the patterns of growth experienced and the ways that people would change over the course of their lives.
Hence we can say that researchers in life-span development have a special concern with studies that focus on the relation of age to some other variable.
Read more about life-span development here: brainly.com/question/8335007
#SPJ1
D paleo-indians domesticated their plants and animals as a source of food and B) peleo-indians didn't change their ways after the Ice Age ended
