In a study of college students, scientists set out to test the hypothesis that an item packaged in wrapping paper elicits a more positive response from the recipient than one that remains unpackaged.

• 在最近一项正对大学生的研究中，科学家已经着手验证一项假设，一个经过包装的物品比没有包装的物品更容易获得人们的肯定。