alternativehypothesis

英汉词典：alternative hypothesis

词性分析

“alternative hypothesis”主要作为名词使用，指在统计学中与原假设相对立的假设。该词组没有形容词形式，但可以用形容词修饰，如“null”假设（原假设）和“alternative”假设（备择假设）。

词语辨析

“alternative hypothesis”与“null hypothesis”相对。原假设通常表示一种无效的状态，而备择假设则表示一种有效的状态或变化。

词汇扩充

• Hypothesis：假设

• Statistical significance：统计显著性

• Research design：研究设计

近义词

• Alternative explanation：备选解释

• Competing hypothesis：竞争假设

反义词

• Null hypothesis：原假设

词典来源

• 柯林斯词典：alternative hypothesis is defined as the hypothesis that is accepted when the null hypothesis is rejected.

• 牛津词典：alternative hypothesis is a statement that suggests a potential outcome or effect, contrary to the null hypothesis.

用法

在统计分析中，“alternative hypothesis”用于描述研究者希望证实的情况，通常在实验和数据分析中广泛使用。

例句

• The alternative hypothesis suggests that there is a significant difference between the two groups.

  备择假设表明这两个组之间存在显著差异。

• To test the alternative hypothesis, we conducted a series of experiments.

  为了检验备择假设，我们进行了系列实验。

• If the null hypothesis is rejected, the alternative hypothesis is accepted.

  如果原假设被拒绝，备择假设就被接受。

• The researchers formulated the alternative hypothesis based on prior studies.

  研究人员根据先前的研究制定了备择假设。

• An alternative hypothesis can help in understanding the impact of a variable.

  备择假设有助于理解一个变量的影响。

• Statistical tests are used to determine if the alternative hypothesis holds true.

  统计检验用于确定备择假设是否成立。

• In this study, the alternative hypothesis is that the new drug is more effective than the placebo.

  在这项研究中，备择假设是新药比安慰剂更有效。

• We need to analyze the data to evaluate the alternative hypothesis.

  我们需要分析数据以评估备择假设。

• The alternative hypothesis provides a framework for understanding potential relationships.

  备择假设为理解潜在关系提供了框架。

• In hypothesis testing, the alternative hypothesis is crucial for drawing conclusions.

  在假设检验中，备择假设对得出结论至关重要。

• Choosing the correct alternative hypothesis is essential for accurate analysis.

  选择正确的备择假设对准确分析至关重要。

• The alternative hypothesis posits that the intervention will lead to a change.

  备择假设认为干预将导致变化。

• Researchers often test an alternative hypothesis to explore new theories.

  研究人员通常测试备择假设以探索新理论。

• In order to accept the alternative hypothesis, sufficient evidence must be provided.

  为了接受备择假设，必须提供足够的证据。

• The statistical power of a test is related to the alternative hypothesis.

  检验的统计效能与备择假设相关。

• Formulating a clear alternative hypothesis is important for research clarity.

  制定清晰的备择假设对研究的清晰度很重要。

• Understanding the alternative hypothesis is key to interpreting results.

  理解备择假设是解释结果的关键。

• Upon analyzing the results, we found support for the alternative hypothesis.

  在分析结果后，我们发现支持备择假设的证据。

• The alternative hypothesis can often lead to new avenues of research.

  备择假设通常可以开启新的研究方向。

• To validate the findings, the alternative hypothesis must be thoroughly examined.

  为了验证发现，必须彻底检查备择假设。