Quantitative data can be collected through various methods, including: - Surveys: Often used to gather data from a large audience, surveys can be conducted online, via phone, or in person. - Experiments: Controlled experiments can help in testing hypotheses and understanding cause-effect relationships. - Secondary Data Analysis: Utilizing existing data from sources like government reports, industry studies, and market research reports. - Observational Studies: Gathering data by observing subjects in their natural environment without interference.