What developmental psychologist study over the lifespan

Developmental psychologists study human growth and development over the lifespan, including physical, cognitive, social, intellectual, perceptual, personality and emotional growth. Developmental psychologists working in colleges and universities tend to focus primarily on research or teaching

Brainliest Plz

there are indirect ways of affecting state laws   by with holding funding's. and that's why we have a 55mph speed on the high way with a design of 70mph speed.