dealing with ethical issues

• what is presumptive consent?

  method of dealing with lack of valid consent or deception - ask a group of people who are similar to the partic if they would take part in study
• what is prior general consent?

  asking partic permission to take place in all studies without knowing full details even if deception is present
• what is gatekeeper consent?

  when a parent/guardian gives permission for somebody who cannot (not in right state of mind, too young)
• what is cost-benefit analysis?

  do the benefits outweigh the costs of the study