According to the video, what is the combined purchasing power of nonwhite Americans? What percentage of the total U. S. economy does this represent?http://www. pbslearningmedia. org/resource/5ec4b676-66e5-47bc-811 f-26a5d53b7c59/the-new-mad-men-amer ica-by-the-numbers-episode-8/

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.