Justin, a 75-year-old man, believes he only has a few more years left. he has stopped going to the senior citizens center to play cards. he doesn’t always go to holiday dinners at his relative’s house. he chose to stop volunteering his time at the local theater to allow the younger members of the theater association to play a larger role. what theory does this illustrate?

The _ is in charge if food safety, meat and plant production for human consumption, and developing and exploring new technologies in farming and ranching.

John recently received his semester grades and found that he had failed two courses. he says the reason he failed the two courses is that they were taught by female professors. john believes that women are really not smart enough to teach at the college level. in this example, the female professors are a) spacegoats and being blamed for john's grades b) being discriminatory toward john c) probably not smart enough to teach in a college d) prejudiced against john because he is male

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.