ideal observer criterion

例句：

1. 1.The ideal observer criterion for this study is to have participants who are familiar with the task.
   这项研究的理想的观察者标准是参与者熟悉任务。
2. 2. The research team set the ideal observer criterion of a minimum of 50 participants per study.
   研究团队设定了理想的观察者标准，即每项研究至少需要50名参与者。
3. 3. The ideal observer criterion for measuring the effectiveness of the intervention was established based on theresults of previous studies.
   为了衡量干预措施的有效性，根据之前研究的结果，确立了理想的观察者标准。