The eight data collection strategies are:
Surveys. Surveys are a common way to collect data about people's attitudes, beliefs, and behaviors. They can be conducted in person, over the phone, or online.
Observations. Observations are another way to collect data about people's behavior. They can be conducted in person or through video recordings.
Interviews. Interviews are a good way to collect in-depth information from people. They can be conducted in person, over the phone, or online.
Focus groups. Focus groups are a way to collect data from a small group of people who discuss a topic in an open-ended way.
Document analysis. Document analysis is a way to collect data from written documents, such as articles, books, and reports.
Content analysis. Content analysis is a way to analyze the content of written documents, such as articles, books, and reports.
Secondary data analysis. Secondary data analysis is a way to analyze data that has already been collected by someone else.
Experiments. Experiments are a way to test the effects of different treatments or interventions.
The best data collection strategy for your research topic will depend on the specific questions you are trying to answer. If you are interested in collecting data about people's attitudes or beliefs about antitubercular drugs, a survey would be a good option. If you are interested in collecting data about people's behavior in relation to antitubercular drugs, observations or interviews would be a good option.