Read the excerpt from Heart of a Samurai. No matter how odd-looking or dangerous they were, Manjiro had to choke down his fear and ask them to help his friends. "My friends are still on the island,” Manjiro said. Which best states how Manjiro’s behavior is heroic? He asks for help for his friends. He overcomes his fear in order to help others. He escapes from the island. He talks to men who might be dangerous.

According to the federal regulations, which of the following studies meets the definition of research with human subjects? a researcher conducts a comparison of the comments made in a publicly available blog and the blogger's comments on a similar topic in a weekly magazine. undergraduate students in a field methods class are assigned a research question and asked to interview another classmate, to be followed by a class discussion on interview techniques. a cognitive psychologist enrolls undergraduate students for a computer-based study about the effect of mood on problem-solving behaviors. a researcher sets up a meeting with the superintendent of a large and diverse public school system to get data about the ethnic composition of the school system and the number of students receiving free lunches.