It is ninety-five degrees outside and sheila is sweating profusely and out of breath. when she arrives home from work and sees that her husband has not taken out the trash, she becomes frustrated and angry—more so than she usually would in this situation. sheila is likely to behave more aggressively toward her husband if she the influence of the heat on her feelings of arousal and the influence of her husband's behavior on her feelings of arousal.

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.