Surveys:A broader term that encompasses various methods of data collection, including questionnaires, interviews, and observations, to gather information from a sample population.
Likert Scale: A psychometric scale commonly used in questionnaires to measure attitudes, opinions, or perceptions, typically ranging from strongly disagree to strongly agree.
Open-Ended Questions: Questions in a questionnaire that allow respondents to provide detailed, in-depth answers in their own words, rather than selecting from pre-determined options.