Answer: alternative D.
Explanation: Dr. DeVries should choose his sample population randomly in order for his research to be representative, even having a specific population, which is high school seniors, that he wants to study. By <u>choosing specifically students from an exclusive college preparatory school, he isn't considering how students from other schools might perform in his research test</u>. This would be a very important step for him to understand how the practice in problem solving affects the ability related to it. Otherwise, he will have a distorted result.
Kenneth Dodge is a psychology and neuroscience professor from Duke University, and according to him, aggressive boys are more likely to perceive another child's actions as hostile only when those whose intention someone close to him or her (peers) is unclear.
For this item and the choices we are given, I go with nonresponse. Thus, the answer is letter B. This process of surveying is one of the best there is; however, it faces the disadvantage that not every owner of the homes who have chosen may be kind enough to lend you some of their time to answer the questions.
(use at own risk)
the trait theroy
The Great Depression was a time in history it began with the us stock market crash and didn’t end till 1946 banks failed, unemployment arose, international trade collapsed, hunger increased too. Those are some facts to help you out :)
