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相关概念视频

Blind Procedures02:07

Blind Procedures

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Ideally, the people who observe and record the children’s behavior are unaware of who was assigned to the experimental or control group, in order to control for experimenter bias. Experimenter bias refers to the possibility that a researcher’s expectations might skew the results of the study. Remember, conducting an experiment requires a lot of planning, and the people involved in the research project have a vested interest in supporting their hypotheses. If the observers knew which...
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Blinding01:11

Blinding

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Blinding is a commonly used method of not telling participants which treatment a subject is receiving. Blinding is a critical part of a randomized control trial or RCT. It reduces the bias that affects the results. In an RCT, blinding is used in the form of a placebo. A placebo effect occurs when untreated subjects falsely believe they have received the treatment and report improved symptoms. A placebo or a dummy treatment is administered to subjects to negate the bias caused by such an effect.
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Photoreceptors and Visual Pathways01:22

Photoreceptors and Visual Pathways

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At the molecular level, visual signals trigger transformations in photopigment molecules, resulting in changes in the photoreceptor cell's membrane potential. The photon's energy level is denoted by its wavelength, with each specific wavelength of visible light associated with a distinct color. The spectral range of visible light, classified as electromagnetic radiation, spans from 380 to 720 nm. Electromagnetic radiation wavelengths exceeding 720 nm fall under the infrared category,...
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相关实验视频

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Cell-Free Dot Blot as a Practical and Adaptable Immunoassay Platform for the Detection of Antibody Response in Human and Animal Sera
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生物防御中的盲点

Ann Linder1, Dale Jamieson2

  • 1Ann Linder is at the Brooks McCormick Jr. Animal Law and Policy Program, Harvard Law School, Cambridge, MA, USA.

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|February 16, 2023
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概括
此摘要是机器生成的。

更新的"国家生物防卫战略" (NBS-22) 忽视了与养动物有关的风险,而是专注于外部威胁. 这种对生物防卫计划的疏忽可能会对全球公共卫生安全产生影响.

科学领域:

  • 公共卫生
  • 生物安全
  • 动物医学

背景情况:

  • 拜登政府的国家生物防御战略 (NBS-22) 是自COVID-19大流行以来的首次更新.
  • NBS-22承认健康威胁的全球互联性,但主要将其视为外部威胁.
  • 这项战略将生物恐怖主义和实验室事故优先于国内风险.

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