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
Abraham Lincoln promised to take care of the wounded and support the soldiers that protect our country.
<span>To keep his promise we must support the soldiers and help them live after they serve our country.</span>
1st one is : "Specialization"
2nd one is : "Scarcity"
3rd one is : "Cottage Industry"
4th one is : "Assembly line"
5th one is : "Mass Production"
6th one is : "Unskilled labor"
Hope this helps! :D