Psychology majors at the state college consist of 40% males and 60% females. The psychology department is conducting a survey of its majors and obtains a sample by randomly selecting students so there will be 20 males and 30 females from the list of psychology majors. What kind of sampling is used in this example?

Aresearcher proposes to conduct a study at a foreign site. the research has been determined to be exempt from the federal regulations by institutional policy. according to federal regulations, is review required at the foreign site? if a proposed study qualifies for exemption, federal regulations do not require review at the foreign site where it will be conducted but still require review at the u.s. site by the institution’s irb. if a proposed study qualifies for exemption, federal regulations do not require review at the foreign site where it will be conducted. if a proposed study qualifies for exemption, federal regulations do require review at the foreign site where it will be conducted. if a proposed study qualifies for exemption, federal regulations do not require review at the foreign site where it will be conducted, but still require review by the institutional official at the local site.

Which action allowed farming to be expand into west texas? a inventing a new plow b developing dry farming c increasing demand for cotton worldwide d declining of the cattle ranching industry

What was different about warfare in the early 1800s and early 1900s?