Advanced Vocabulary Practice Test

For a science fair, Diego tested a hypothesis about whether background music affects reading comprehension. He chose passages of equal difficulty and kept study time constant to avoid hidden variables. Because his method was empirical, he relied on quiz scores and timed readings instead of impressions. The data revealed a consistent phenomenon: some students read faster with quiet music, but others slowed down. Diego wrote a cautious conclusion, noting that individual differences mattered more than his original prediction. He recommended repeating the study with more participants to improve reliability. In the passage, what does the word hypothesis mean?

In a literature circle, Sofia argued the protagonist of "Jane Eyre" is compelling because she insists on dignity while seeking belonging. The group noted that a protagonist is the central character whose choices drive the story forward. They also traced a motif of doors and thresholds, repeated images that suggest transitions and self-determination. Some readers proposed a mild allegory of independence, though others preferred a more literal interpretation. Their debate became substantive, using specific scenes rather than vague impressions. By the end, Sofia said the novel’s structure rewards patience and close attention to detail. In the passage, what does the word protagonist mean?