The answer to the question above is letter D. The economic system combines traditional and free markets with the limits of government involvement. Mixed economy is a system that features a characteristics of both a capitalism and socialism. This allows a level of private economic freedom in the use of its capital.
To acquire approval to conduct an experiment with subjects from her undergraduate psychology course, a student researcher needs to submit an application to the university's institutional review board.
The purpose of the institutional review board review is to make sure that the appropriate steps are taken to protect the rights and welfare of subjects who are engaging in research, both beforehand and via ongoing assessment. Institutional review boards (IRBs) are tasked with reviewing all research involving human beings in order to protect their rights and welfare.
According to 45 CFR 46.103, the Institutional review boards must assess and approve any non-exempt human subject study. The researcher might not be allowed to use the data and other material gathered throughout the research process if the Institutional review board's permission was not obtained prior to performing the study.
Learn more about institutional review board:
brainly.com/question/5142341
#SPJ4
<span>People initially thought that the gangs were the
responsible for all the deaths that occurred with the servant girls in Texas.
They believed that the gangs were going after these servant women for the
reason that they were living with men out of wedlock, which meant they were living
a sinful life. They believed that they were killing the women for living such a
kind of life.</span>
<span />
Answer: synaptic receptors
Explanation: