"tara would like to measure how social college students are with friends at lunch compared to at dinner. she times how long students make eye contact in the dining hall with one another as a measure of their sociability. tara finds that students at dinner are significantly more sociable based on this measure. what type of validity may be insufficient in this study? "

Which of the following is a law making body that governs england

Which of the following methods could be considered a "best practice" in terms of informing respondents how their answers to an on-line survey about personal information will be protected? respondents are informed that investigators will try to keep their participation confidential; however, confidentiality cannot be assured.respondents are informed that a research assistant will transfer all the research data to a password-protected computer that is not connected to the internet, via a usb flashdrive. the computer is located in a research team member's office.the investigator uses the informed consent process to explain her institution's method for guaranteeing absolute confidentiality of research data.the investigator uses the informed consent process to explain how respondent data will be transmitted from the website to his encrypted database without ever recording respondents' ip addresses, but explains that on the internet confidentiality cannot be absolutely guaranteed.the investigator uses the informed consent process to explain how respondent data will be transmitted from the website to his encrypted database without ever recording respondents' ip addresses, but explains that on the internet confidentiality cannot be absolutely guaranteed

The health care system in is referred to as a singleminus−payer health care system, and is a system in which the government provides national health insurance to all residents.