Answer: A. developmental psychology
Explanation:
Developmental psychology examines our physical, cognitive, and social development across the life span, with a focus on three major issues: Nature and nurture.
Developmental psychologists study a wide range of theoretical areas, such as biological, social, emotion, and cognitive processes.
Answer: Regression-artifact
Explanation:
Regression artifact is the process in which non- random samples that represent the population is selected along with defective correlation with each other .
According to the question, cross-over effect in data can tend to eliminate the impact of regression artifact in which different treatment is received by subject in a series to cancel out regression.
Other options are incorrect because history, attrition or local history are not the factors that can be eliminated by crossover effect.Thus, the correct option is regression artifact.
Answer:
D. James Watt
Explanation:
James Watt designed the steam engine to power machines.
Answer:
the answer in high school is it served common man but im not really sure if helps im sorry :(
Explanation: