Social studies! was zheng he's voyages bad or good? could you tell me about his voyages, and if it was aiding or hurting the country as a whole? thx!

When should you question a sources credibility

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.

Aprison warden regularly consults with her staff regarding key policy decisions, soliciting their input and asking them to vote on major changes. this suggests that the warden's leadership style is, according to path-goal theory,