Felix is conducting research about the impact of Muhammad Ali on the intersection of social justice and sports. His sources to support his claim that Ali’s use of his sports platform to speak out for social justice had a positive and powerful effect. Felix has collected 15 sources. Based on his notes, all the sources explore and support athletes who use their platforms to highlight social injustice, speak positively of Ali’s social justice work, and reveal the positives of using sports to raise awareness. What type of bias is Felix demonstrating? Explain your reasoning in a few sentences.