Final answer:
Roland must include observation and examination in his study to meet scientific standards.
Step-by-step explanation:
Roland can ensure that his study of how people interact with one another meets scientific standards by including observation and examination as key components of his study. By observing people's interactions and examining their behavior, Roland can gather empirical data to support his findings. Additionally, he can incorporate other scientific methods such as surveys, interviews, or experiments to further strengthen his study.
Learn more about scientific standards for studying human interactions