Darlene, who has two young children, reports, "Some days I don't even know who I am. I certainly am not the calm self-assured person that I used to be. I, at times, seem to turn into a screaming shrew." Darlene is a(n):

A) fairly typical mom.
B) older mom.
C) incompetent mom.
D) single mom.

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.