但当迈赫尔和他的同事查阅研究音乐与人类认知关系的文献时,却发现只有5篇是使用了随机试验(randomized trials)的方法进行研究,其中也只有1篇表明音乐对认知能力有明确的积极影响,而且影响也非常小。
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randomized controlled trials 随机对照试验 ; 实验
semi-randomized trials 半随机对照试验
randomized clinical trials 随机对照试验 ; 随机对照临床试验 ; 随机临床试验
randomized trials of nonpharmacologic treatments 非药物治疗随机研究
randomized control trials 随机对照试验
RCTs randomized controlled trials 随机对照研究
To review maternal deaths and the dose-related effects of misoprostol on blood loss and pyrexia in randomized trials of misoprostol use for the prevention or treatment of postpartum haemorrhage.
对在米索前列醇用于预防和治疗产后出血的随机试验中产妇死亡和米索前列醇治疗失血和发热的量效关系进行评价。
Multiple randomized trials, as well as a meta-analysis support the ability of platinum-based chemotherapy to prolong survival compared to best supportive care in advanced disease patients.
多个随机研究及meta-分析证明以铂类为基础的化疗与最佳支持治疗相比可延长晚期患者的生存期。
群体随机试验。
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