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new research conducted recently suggests that social isolation leads people to make risky financial decisions. when people don’t feel connected to their social network, they often try to buy satisfaction. and the more rejected people feel, the more likely they are to see money as a way to solve their problems. an experiment, which involved randomly approaching people in public places in hong kong, found that those who said they felt more rejected in general tended to report more betting on lotteries, more gambling at the horse track or casino, and riskier investment strategies than those who reported feeling more socially connected. rejection increased their beliefs linking money to a better life and these beliefs entirely accounted for the riskier choices with their money.

여기서 and의 의미는 in addition 의 의미일까요?
in addition 의 의미가 아니라면 사회적 고립이 위험한 재정적인 결정을 하고 덧붙여 사람들이 더 거절받을수록의 돈으로 문제를 해결하려고 한다에서 어차피 첫문장과 같은말을 하면서 왜 and를 썼을까요?
in addition 의 의미라면 거절받는다는 말은 고립되었다는 말보다 더 왕따의 느낌이 더 강하기 때문인가요 아니면 위험한 재정적 결정에 더해서 돈으로 문제를 해결한다는 의미를 강하게 하려는 의미인가요?

문장연결 과정에서 이부분이 and를 붙여야하는 이유가 명확치 않아서요....