Cognitive maturation refers to the biological development of the brain by which an individual’s thinking, reasoning, and problem-solving abilities evolve and become more sophisticated as they grow ...

There are five major social and emotional issues that teens deal with during their adolescent years ... national origin, sex, age, or disability. The University of Delaware is an Equal Opportunity ...

According to a recent study, the tendency to experience positive affectivity contributed to people being physically active or even increasing their activity during the COVID-19 restrictions.