T/f: no cattle trails crossed lands owned by comanches or pawnees.

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

Lakita wants to get a degree in accounting so that she can become a cpa. she has decided to take classes online, however, because she is very timid about going to a class with 30 other students where she might be expected to speak out. she is afraid that if she says something silly, gives a wrong answer, or just acts in an inappropriate way she will be shamed in front of others. lakita has always struggled with this problem, and has thus lived as relatively isolated life for quite a few years. lakita might be diagnosed as having: antisocial personality disorder. negativistic personality disorder. avoidant personality disorder. schizoid personality disorder.

What does the delta symbol represents in this equation