Final answer:
The data collection methods specified in NR 449 include observation, surveys, and medical records review.
Step-by-step explanation:
The data collection methods specified in NR 449 include:
- Observation: This method involves directly observing and recording data without interfering or manipulating the situation. For example, a researcher might observe a patient's behavior or symptoms to collect data.
- Surveys: Surveys are used to collect information through questionnaires or interviews. They gather data from a large number of individuals and are often used to study population characteristics or opinions.
- Medical records review: This method involves reviewing medical records to collect data about patients' medical history, treatments, and outcomes. It provides valuable information for research and analysis.