Whether to use tests, other kinds of information, or both in a particular situation depends, therefore , upon the evidence from experience, and upon such factors as cost and availability.(Paragraph 3, Passage Four)
【正确答案】正确答案：因此，在某一特定情况下，究竟是采用测试还是其他种类的信息，或是两者同时使用，须凭有关相对效度的经验依据而定，也取决于诸如费用和有无来源等因素。
【答案解析】