nocturia
发表于 2025-3-23 13:07:22
The Clinical Trial –The Gold Standardic experiment. Randomization of subjects to treatments, double blinding and the use of contemporaneous control groups add to its appeal. Nevertheless, in spite of it lofty position it can‘t guarantee that it‘s found all the correct answer in any single trial. No matter how well planned and executed a study‘s conclusions may still be wrong.
喧闹
发表于 2025-3-23 15:50:15
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MERIT
发表于 2025-3-23 20:53:13
The Cohort Study – Watchful Waitinges, the Framingham Heart Study and the Nurses Health Study are described so readers can appreciate the cohort technique. Disadvantages such as cost and possible bias because of participant dropouts are also covered.
联邦
发表于 2025-3-23 22:29:32
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inventory
发表于 2025-3-24 05:56:02
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雪上轻舟飞过
发表于 2025-3-24 09:31:06
errors that go beyond the researcher’s control.Explains why The truth is, few people know the first thing about clinical research. The public reads about a medical research project that announces unbelievable results for a miraculous drug. Some years later, another investigation completely wipes out
Perceive
发表于 2025-3-24 10:48:35
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modish
发表于 2025-3-24 15:21:24
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休闲
发表于 2025-3-24 20:34:58
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从属
发表于 2025-3-24 23:12:26
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