actual observed value
简明释义
实际观测值
英英释义
例句
1.In statistical analysis, the actual observed value can help determine the accuracy of the model used.
在统计分析中,实际观测值可以帮助确定所用模型的准确性。
2.The actual observed value of the temperature was recorded at 30°C during the test.
测试期间记录的温度为实际观测值30°C。
3.The experiment yielded an actual observed value of 5.2, which was significantly higher than the expected outcome.
实验得出的实际观测值为5.2,明显高于预期结果。
4.The actual observed value of rainfall this month was much lower than previous years.
本月的实际观测值降雨量远低于往年。
5.Comparing the actual observed value with the theoretical prediction allows scientists to refine their hypotheses.
将实际观测值与理论预测进行比较,可以帮助科学家完善他们的假设。
作文
In the field of science and research, the concept of actual observed value plays a crucial role in data collection and analysis. The actual observed value refers to the specific measurement or outcome that is recorded during an experiment or observation. It is the real, tangible result that researchers obtain, as opposed to theoretical predictions or expected values. Understanding this concept is essential for anyone involved in scientific research, as it directly impacts the validity and reliability of their findings.When conducting experiments, scientists often formulate hypotheses based on existing theories or prior knowledge. These hypotheses lead to the establishment of expected values, which are predicted outcomes that researchers anticipate observing. However, the true essence of scientific inquiry lies in the actual observed value. This value is what provides evidence for or against the hypothesis, allowing researchers to draw meaningful conclusions.For instance, consider a study aimed at measuring the growth rate of a particular plant species under varying light conditions. Researchers might predict that plants exposed to more sunlight will grow taller than those in the shade. While they may have an expected growth height based on previous studies, the actual observed value will reveal the true growth height measured after the experiment concludes. If the plants in the shade surprisingly grow taller than those in sunlight, the actual observed value challenges the initial hypothesis and prompts further investigation.Moreover, the actual observed value is integral to statistical analysis. In order to make informed decisions based on data, researchers must compare the actual observed value with the expected values. This comparison can lead to the identification of patterns, trends, or anomalies within the data set. For example, if a researcher is studying the effects of a new medication, the actual observed value of patient recovery times will be compared to the expected recovery times based on previous treatments. Such analyses can reveal the effectiveness of the medication and its potential impact on medical practice.The importance of the actual observed value extends beyond the realm of scientific research. In fields like economics, psychology, and environmental science, understanding the actual observed value is vital for making data-driven decisions. Policymakers rely on these values to assess the impact of new regulations, programs, or interventions. By analyzing the actual observed value, they can determine whether their initiatives are achieving the desired outcomes or if adjustments are necessary.In conclusion, the actual observed value is a fundamental component of empirical research and data analysis. It serves as the foundation upon which scientific knowledge is built. By focusing on the actual observed value, researchers can validate or refute their hypotheses, leading to a deeper understanding of the phenomena they study. Whether in science, economics, or social sciences, the actual observed value guides decision-making processes and contributes to the advancement of knowledge. Emphasizing the importance of this concept will ultimately enhance the quality and credibility of research across various disciplines.
在科学和研究领域,实际观察值的概念在数据收集和分析中扮演着至关重要的角色。实际观察值是指在实验或观察过程中记录的具体测量或结果。它是研究人员获得的真实、具体的结果,而不是理论预测或预期值。理解这一概念对于任何参与科学研究的人来说都是至关重要的,因为它直接影响到研究结果的有效性和可靠性。在进行实验时,科学家们通常会根据现有理论或先前知识制定假设。这些假设导致建立预期值,即研究人员预期观察到的结果。然而,科学探究的真正本质在于实际观察值。这个值提供了支持或反对假设的证据,使研究人员能够得出有意义的结论。例如,考虑一个旨在测量特定植物种类在不同光照条件下生长速率的研究。研究人员可能预测,暴露于更多阳光下的植物将比阴影中的植物长得更高。虽然他们可能基于先前的研究有一个预期的生长高度,但实际观察值将揭示在实验结束后实际测量到的真实生长高度。如果阴影中的植物意外地长得比阳光下的植物更高,那么实际观察值就挑战了最初的假设,并促使进一步调查。此外,实际观察值对统计分析至关重要。为了根据数据做出明智的决策,研究人员必须将实际观察值与预期值进行比较。这种比较可以导致识别数据集中的模式、趋势或异常。例如,如果研究人员正在研究一种新药物的效果,则患者恢复时间的实际观察值将与基于先前治疗的预期恢复时间进行比较。这种分析可以揭示药物的有效性及其对医疗实践的潜在影响。实际观察值的重要性超越了科学研究的领域。在经济学、心理学和环境科学等领域,理解实际观察值对于做出基于数据的决策至关重要。政策制定者依赖这些值来评估新法规、项目或干预措施的影响。通过分析实际观察值,他们可以确定其倡议是否实现了预期结果,或者是否需要进行调整。总之,实际观察值是经验研究和数据分析的基本组成部分。它是构建科学知识的基础。通过关注实际观察值,研究人员可以验证或推翻他们的假设,从而更深入地理解他们研究的现象。无论是在科学、经济学还是社会科学中,实际观察值都引导决策过程,并有助于知识的进步。强调这一概念的重要性最终将提高各个学科研究的质量和可信度。
相关单词