sample characteristics
简明释义
样本特征
英英释义
Sample characteristics refer to the specific attributes or qualities of a subset of a population that is being studied or analyzed. | 样本特征指的是正在研究或分析的人群子集的具体属性或质量。 |
例句
1.The validity of the results depends on the sample characteristics 样本特征 of the selected group.
结果的有效性取决于所选组的样本特征 样本特征。
2.Understanding the sample characteristics 样本特征 is crucial for accurate data interpretation.
理解样本特征 样本特征对于准确的数据解读至关重要。
3.The researchers documented the sample characteristics 样本特征 before conducting the experiment.
研究人员在进行实验之前记录了样本特征 样本特征。
4.The study analyzed the sample characteristics 样本特征 of participants to ensure diversity.
这项研究分析了参与者的样本特征 样本特征以确保多样性。
5.In this survey, we will collect sample characteristics 样本特征 such as age and gender.
在这项调查中,我们将收集样本特征 样本特征,例如年龄和性别。
作文
In the field of research, understanding the sample characteristics is crucial for drawing accurate conclusions and ensuring the validity of the study. The term sample characteristics refers to the specific attributes or traits of the group being studied, which can include demographic information such as age, gender, income level, education, and other relevant factors that might influence the results of the research. For instance, if a researcher is conducting a survey on consumer behavior regarding a new product, the sample characteristics would provide insight into whether the respondents are predominantly young adults, middle-aged individuals, or seniors, and how these differences might affect their purchasing decisions.When designing a study, researchers must carefully consider the sample characteristics to ensure that the sample accurately represents the population they are interested in. This involves selecting participants who reflect the diversity of the target population. If the sample is not representative, the findings may be biased, leading to erroneous conclusions. For example, if a study on health behaviors only includes participants from a high-income neighborhood, the sample characteristics will not reflect the broader community, potentially skewing the results.Moreover, the sample characteristics can also impact the generalizability of the research findings. Generalizability refers to the extent to which the results of a study can be applied to other settings, populations, or times. If the sample characteristics are too narrow, the conclusions drawn may not be applicable to a wider audience. Therefore, researchers often strive to include a diverse range of participants in their studies to enhance the external validity of their findings.In addition to demographic factors, sample characteristics can also encompass psychological traits, behavioral patterns, and socio-economic status. For example, in a psychological study examining stress levels among students, the sample characteristics might include variables such as academic performance, extracurricular involvement, and personal coping strategies. Understanding these characteristics allows researchers to analyze how different factors contribute to stress and identify potential interventions.Furthermore, the sample characteristics can change over time, especially in longitudinal studies where the same group of individuals is observed over a period. Researchers must account for these changes and adjust their analysis accordingly. For instance, a study tracking the health outcomes of individuals from adolescence into adulthood would need to consider how life events, such as marriage, parenthood, or career changes, impact the sample characteristics and subsequently influence health outcomes.Ultimately, the importance of sample characteristics cannot be overstated. They serve as the foundation upon which research is built, guiding the selection of participants and influencing the interpretation of data. By thoroughly understanding and accurately reporting sample characteristics, researchers can enhance the credibility of their studies and contribute valuable insights to their fields. In conclusion, careful consideration of sample characteristics is essential for producing reliable and meaningful research outcomes that can inform policy, practice, and future studies.
在研究领域,理解样本特征对于得出准确的结论和确保研究的有效性至关重要。术语样本特征指的是被研究群体的特定属性或特征,这些特征可以包括人口统计信息,例如年龄、性别、收入水平、教育程度以及其他可能影响研究结果的相关因素。例如,如果研究人员正在进行一项关于消费者行为的新产品调查,那么样本特征将提供有关受访者是否主要是年轻人、中年人或老年人的洞察,以及这些差异可能如何影响他们的购买决策。在设计研究时,研究人员必须仔细考虑样本特征,以确保样本准确代表他们感兴趣的人群。这涉及选择反映目标人群多样性的参与者。如果样本不具代表性,结果可能会出现偏差,从而导致错误的结论。例如,如果一项关于健康行为的研究仅包括来自高收入社区的参与者,那么样本特征将无法反映更广泛的社区,可能会扭曲结果。此外,样本特征还会影响研究发现的普遍适用性。普遍适用性是指研究结果在其他环境、人口或时间中应用的程度。如果样本特征过于狭窄,则得出的结论可能不适用于更广泛的受众。因此,研究人员通常努力在研究中纳入多样化的参与者,以增强其发现的外部有效性。除了人口统计因素,样本特征还可以包括心理特征、行为模式和社会经济地位。例如,在一项研究学生压力水平的心理学研究中,样本特征可能包括学业表现、课外活动参与和个人应对策略等变量。理解这些特征使研究人员能够分析不同因素如何影响压力,并识别潜在的干预措施。此外,样本特征可能会随着时间的推移而变化,尤其是在纵向研究中,同一组个体在一段时间内被观察。研究人员必须考虑这些变化并相应调整他们的分析。例如,一项跟踪青少年到成年人的健康结果的研究需要考虑生活事件(例如婚姻、为人父母或职业变化)如何影响样本特征,并随后影响健康结果。最终,样本特征的重要性不可低估。它们是研究建立的基础,指导参与者的选择并影响数据的解释。通过全面理解和准确报告样本特征,研究人员可以增强其研究的可信度,并为其领域提供有价值的见解。总之,仔细考虑样本特征对于产生可靠且有意义的研究结果至关重要,这些结果可以为政策、实践和未来的研究提供信息。
相关单词