Juan chose to write a formal letter to coach Brewster to explain why he would be a good swim teacher during summer vacation. Which of the following would be true had he chosen to send the coach an e-mail or text message? An e-mail or text message would be more informal.

An e-mail or text message would be more formal.

An e-mail or text message would be longer.

An e-mail or text message would be more interesting.

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.