an investigation of attitude changes using a constant set of people and comparing each individual's opinions at different times
(长期)连续调查;追踪调查(对一个固定人群中每个人在不同时间的观点进行比较来得出态度变化的一种调查)。
n. 连续调查;追踪调查
The U.S. experts-panel study cited above, for example, was funded by a company that produces aspartame.
例如,上面所提到的美国专家委员会,是由一阿斯巴甜生产公司成立的。
The researchers looked at data from the Panel Study of Income Dynamics, which has been conducting a survey of American families since 1968.
调查者查看了收入动态专门研究小组自从1968年就对美国家庭实施的一项调查。
The panel study involved a random sample of 895 households from over 50 000 enrolled in a cash-for-work programme between September and December 2007 and 921 similar control households.
我们从2007年9月和12月登记在现金薪酬项目的50,000多个家庭中抽取了895个家庭作为随机样本,还选择了921个类似的对照家庭,然后对它们开展了小组研究。
For this study, the investigators gathered data from the British household Panel Survey - a yearly questionnaire of a nationally representative sample of UK households.
这个研究中数据来源于英国家庭状况调查,它是一个对有代表性的英国家庭样本的年度调查。
And yet he had been a member of the Iraq Study Group, a bipartisan panel that advocated a phased withdrawal from Iraq soon after Mr Gates's appointment.
那时两党共同建立了一支伊拉克问题研究小组,盖茨也是其中一员。在盖茨上任之后,该小组对他随即提出的分阶段从伊拉克撤军的计划非常赞同。
an investigation of attitude changes using a constant set of people and comparing each individual's opinions at different times
(长期)连续调查;追踪调查(对一个固定人群中每个人在不同时间的观点进行比较来得出态度变化的一种调查)。