Secondary Sources and Primary Sources “通过确定基本事实,例如建设年份,二手资料可以将研究人员指向最佳的primary sources,例如正确的税簿。 此外,仔细阅读二级来源的参考书目可以揭示研究人员可能错过的重要来源。” (Alison Hoagland and Gray Fitzsimmons, “History.” Recording Historic Structures, 2nd. ed., edited...
在研究活动中,primary source是指从历史文献,文学文本,艺术作品,实验,调查和访谈等来源直接收集的信息。 也称为primary data。 与 secondary source 对比。 美国国会图书馆将primary sources定义为“从过去幸存下来的实际记录,如信件,照片或衣物”,与secondary sources相反,后者是”人们在有时写事件时创造的过去的记录 ...
1、Industry documents were analysed alongside primary and secondary data on the tobacco industry in South Korea.对韩国的烟草业文件进行了分析，同时，对关于烟草业的主要数据和次级数据进行了分析。2、Secondary data refers to previously collected data from internal and external sources.中级的数据...
While a primary source provides direct access to a work for you to discuss, analyze, and cite it, a secondary source gives you a look at that work through another writer’s lens. For example, the text of a president’s speech is a primary source, while a political commentator’s column...
Primary sources avoid the problem of secondary sources, where each new author may distort and put their own spin on the findings. However, a primary source is not necessarily more authoritative or accurate than a secondary source. There can be bias and simplification of events. These errors may...
secondary data and primarydata ResearchMethodsinInternationalBusiness LinHua林花SouthwesternUniversityofFinanceandEconomics2012 1 Lecture5Structures Today’scoursestructures:Firstclass:taughtcourseDatasources:1.Secondarydata2.PrimarydataSecondclass:discussingwithyouaboutyourresearchtopicandresearchproblems(questions)2 Lec...
Secondary sources should list their references and source materials, if not in the actual text then in footnote citations or thebibliography. Often, you’ll be able to track down these primary sources in a library or online database.
These are the main challenges of collecting primary data. It can be more time-consuming (but there’s a lot you can do to make it more efficient):Unlike secondary data, which has already been collected, checked for quality, and organized, primary data collection can be a heavily involved ...
此範例說明如何使用 sp_add_log_shipping_secondary_primary 預存程式來設定輔助伺服器上主資料庫 AdventureWorks2022 的資訊。 SQL 複製 EXEC master.dbo.sp_add_log_shipping_secondary_primary @primary_server = N'TRIBECA', @primary_database = N'AdventureWorks2022', @backup_...