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相关概念视频

Qualitative Analysis01:10

Qualitative Analysis

205
Qualitative analysis is the process of identifying elements, ions, or compounds in an unknown sample. It is the first and most fundamental type of analysis based on the hierarchy of analytical goals. This hierarchy is significant as it provides a structured approach to scientific research, with qualitative analysis serving as the initial step, providing essential information before moving on to quantitative or other forms of analysis.
There are two main approaches to qualitative analysis:...
205
Data Collection by Survey01:07

Data Collection by Survey

6.4K
The systematic method of obtaining and analyzing accurate information of a population is called data collection. A survey is a standard method of data collection that involves collecting information from a target human population about their experience, opinion, or knowledge of a product, service, or process. The responses are recorded and interpreted. The most common survey examples are written questionnaires, face-to-face or telephonic conversations, focus groups, and electronic (e-mail or...
6.4K
Systematic Sampling Method01:17

Systematic Sampling Method

9.9K
Sampling is a technique to select a portion (or subset) of the larger population and study that portion (the sample) to gain information about the population. Data are the result of sampling from a population. The sampling method ensures that samples are drawn without bias and accurately represent the population. Because measuring the entire population in a study is not practical, researchers use samples to represent the population of interest.
Systematic sampling is one of the simplest methods...
9.9K
Data Collection III01:05

Data Collection III

2.6K
The physical assessment examines the patient for objective data that defines the patient's condition, and aids in formulating the nursing care plan. The purpose of physical assessment is a health status appraisal, which includes identifying health problems, and establishing a database for nursing intervention.
The principles to begin the physical assessment include conducting a comprehensive or problem-related history in a quiet, well-lit room, emphasizing privacy and comfort for the...
2.6K
Bar Graph01:07

Bar Graph

15.9K
A bar graph is also called a bar chart and consists of bars that are separated from each other. It either uses horizontal or vertical bars to show comparisons among categories. The bars can be rectangles, or they can be rectangular boxes (used in three-dimensional plots). One axis of the graph represents the specific categories being compared, and the other axis shows a discrete value. In this graph, the length of the bar for each category is proportional to the number or percent of individuals...
15.9K
Data Collection I01:30

Data Collection I

6.0K
Data collection gathers information needed to make accurate judgments about a patient's present condition. During a health history interview, subjective data is collected from the patient, their caregivers, or family members, and objective data is collected through observations and physical assessment. Patients are the primary source of subjective data. Thus information gathered from patients through interviews, observations, and physical examination is primary data. Secondary sources of...
6.0K

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相关实验视频

Updated: May 27, 2025

Cloud-Based Phrase Mining and Analysis of User-Defined Phrase-Category Association in Biomedical Publications
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Cloud-Based Phrase Mining and Analysis of User-Defined Phrase-Category Association in Biomedical Publications

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核心之外有什么? 在定性信息检索中数据库覆盖范围.

Jennifer Horton1, David Kaunelis2, Danielle Rabb3

  • 1jhorton@cap.org, Medical Librarian, College of American Pathologists, Northfield, Illinois, United States.

Journal of the Medical Library Association : JMLA
|February 20, 2025
PubMed
概括

与专业卫生数据库相比,Scopus和Web of Science等多学科数据库为健康技术评估审查提供了优越的定性研究检索能力. 它们广泛的独特记录增强了系统和快速审查的搜索策略.

关键词:
数据库选择数据库选择证据综合研究有关信息的检索.定性研究是一种定性研究.

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相关实验视频

Last Updated: May 27, 2025

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A Metadata Extraction Approach for Clinical Case Reports to Enable Advanced Understanding of Biomedical Concepts
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科学领域:

  • 卫生技术评估 卫生技术评估
  • 信息科学 信息科学 信息科学
  • 定性研究方法论 定性研究方法论

背景情况:

  • 在卫生技术评估 (HTA) 系统和快速审查中,定性研究越来越重要.
  • 检索定性研究的标准化搜索方法,特别是数据库选择,仍在发展.
  • 有效的数据库搜索对于HTA中全面的文献检索至关重要.

研究的目的:

  • 评估常用的文献数据库在检索HTA的定性研究中的有效性.
  • 将专门的健康数据库 (MEDLINE,CINAHL,PsycINFO) 与多学科引用索引 (Scopus,Web of Science) 的性能进行比较.
  • 确定最佳的数据库策略,以在HTA中进行定性研究检索.

主要方法:

  • 使用InCites的期刊引用报告编制了相关期刊标题的全面列表.
  • 该清单由加拿大药物局的定性研究人员验证.
  • 通过计算所拥有的总和独特标题的百分比来评估MEDLINE,CINAHL,PsycINFO,Scopus和Web of Science的定性持有量.

主要成果:

  • 多学科数据库,Scopus和Web of Science核心集合,在总定性研究题目中占比最高.
  • 与专门的健康数据库相比,Scopus和Web of Science也提供了更多的独特的定性研究标题.
  • 与一般推相反,这些多学科索引显示了对相关的定性文献的优越覆盖.

结论:

  • 诸如Scopus和Web of Science之类的多学科引用索引对于HTA中的定性搜索策略具有重要实用性.
  • 这些数据库可以通过提供独特的定性记录来补充传统搜索.
  • 对利用Scopus进行定性快速审查搜索策略的进一步调查证实了它有潜力为相关文献做出贡献.