Final answer:
Multiple sources are required in Evidence-Based Practice (EBP) to ensure accuracy, consider different perspectives, and minimize bias.
Step-by-step explanation:
EBP stands for Evidence-Based Practice, which requires the use of multiple sources for several reasons. Firstly, using multiple sources helps to ensure that the information gathered is accurate and reliable. Secondly, it allows for a comprehensive analysis of the topic by considering different perspectives and viewpoints. Thirdly, using multiple sources helps to minimize bias and strengthen the validity of the findings. For example, when exploring a contemporary topic, it is important to consider sources that represent a range of perspectives and are current.