a researcher believes that male participants will be less willing to discuss their relationship problems than female participants, and thus he makes males extra comfortable when interviewing them by nodding his head and smiling. at the end of the study, he finds that men are actually very open to talking about their relationships, even more so than women. what is the biggest problem with his findings?

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.