The efficiency of sample information is the ratio of the expected value of sample information to ________

Broker Betty refers all of her clients to a particular title insurance company, who in turn pays her $20 per referral. Under RESPA, this is permitted:

A. as a matter of practice B. as long as the broker discloses this fact to both buyer and seller C. as long as the buyer and seller consent D. under no circumstances

If the researcher is concerned about the number of variables, the nature of the analysis, and completion rates, then, he/she is at which stage of the sampling design process (Figure 11.1 in the text)?

A) Determine the sampling frame. B) Select a sampling technique(s). C) Determine the sample size. D) Execute the sampling process.