Campaign Resposne Rate

What is the response rate?

  • We know we need at least a 15% response rate to justify the project.
  • But what could the actual response rate turn out to be?

Prior Beliefs

  • Response rate is a number between 0 and 1.
  • But what are the chances response rate takes on any one number in that interval?
  • Before observing any evidence based on factual data, we might consider any value as equally likely.
  • We admit to being totally ignorant.
rr_values =  seq(0, 1, 0.01)
priors = rep(1,length(rr_values))
plot(rr_values, priors, type = "l")

Figure 1: Prior beliefs