Using peer-reviewed journal articles for a particular topic are common in university assignments. Databases allow you to search large collections of journals to find articles. This is better than searching in individual journals. Recommended key databases with peer reviewed articles are:
Data sets are used in data analytics which is the process of examining data sets to draw conclusions about the information they contain such as trends and insights into a market. This can help businesses increase revenues, improve operational efficiency, optimise customer service efforts and gain a competitive edge. Datasets can be historical or new information.
UCI Machine Learning Repository
A collection of databases, domain theories, and data generators that are used by the machine learning community for the empirical analysis of machine learning algorithms
World Bank Open Data
This site enables the finding, downloading, and use of world data. All of the data found here can be used free of charge with minimal restrictions. The platform provides several tools like Open Data Catalog, Access data through Web API, World development indices, Education Indices, Micro Data, Open Data at the world bank etc
Australian Government Open Data
This is the central source of Australian open government data. Anyone can access the anonymised public data published by federal, state and local government agencies. The data can be searched and reused.
U.S Government Open Data
This is a a large dataset aggregator and the home of the US Government’s open data.
Newspapers, magazines and professional articles are written for a general audience, but are also a great source of information for social issues, popular culture, current/past events, editorials and opinions. While most of these do not reflect in-depth research, professional articles are usually written with a particular industry/profession in mind. But they are still general enough for anyone to understand these articles.