In a public opinion poll, a polling company used an online survey tool to randomly contact respondents who did not have telephone lines in addition to contacting people over the phone. Which of the following best explains this decision?

Whether or not a given study has the possibility of causing harm to participants:

What does this quotation say about how miranda’s confession was made?

How has the money from oil production in the middle east not impacted the people of that region? a) it improved education and jobs in the region. b) it improved infrastructure such as ports, roads, and bridges. c) it increased life expectancy due to improved healthcare facilities. d) it increased political stability and lessened the presence of corruption.