评价者同意每个对照组的结果数据吗？
Did reviewers agree on the outcome data in each comparison group?
评价者需要对数据收集表作出指令或决策规则。
Reviewers need instructions and decision rules on the data collection form.
评价者需要了解研究内容或研究方法，或者两者都了解吗？
Should reviewers be especially trained in research methods, the content area of a review or both?
应用推荐