1. Standardize Procedures: Use standardized protocols for data collection to minimize variability. 2. Training: Ensure that data collectors are well-trained to reduce errors and increase inter-rater reliability. 3. Pilot Testing: Conduct pilot studies to test and refine measurement tools. 4. Use Established Tools: Whenever possible, use measurement tools that have been previously validated. 5. Statistical Techniques: Apply statistical methods to assess and improve the reliability and validity of measurements.
