The president is proud that Dr. Salk's work is extending beyond the United States. Which of the following is not a step Dr. Salk has taken to assist foreign countries? Dr. Salk has assisted foreign countries by providing technical information.
Dr. Salk has helped foreign countries begin to produce the vaccine themselves.
Dr. Salk has offered foreign scientists the opportunity to tour his laboratory.
Dr. Salk has traveled and given the polio vaccine to children in foreign countries.

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