Answer:Longitudinal study
Explanation:
Longitudinal research is a type study which focuses on studying variables over a period of time which ranges from weeks to years.
How Longitudinal Research Works
Researchers will choose longitudinal study in order to observe the realtionship between variables over time which can't be established through their backgrounds. It focuses on the same variables over that extended period of time , in this case they can see if there are changes that occur over time
I think the answer to this question is letter A(I think)
Answer:
Ethnic rivalries erupted and plunged the country into civil war.
Explanation:
just took test
Answer: That became a symbol of Christ — being triangular in shape it represents the trinity — and from there came the idea that the tree should be a symbol of Christ and new life," Dr Wilson said. "That's one of the main origins of the Christmas tree and bringing it into the house."
The well advances psychological knowledge by implementing specific methods to gain desired knowledge.
<h3>What is
psychological knowledge?</h3>
psychological knowledge serves as the knowledge that focus on the behavior as well as mental activities of people.
Hence, The well advances psychological knowledge by implementing specific methods to gain desired knowledge.
Learn more about the psychological knowledge at brainly.com/question/12011520
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