Question

Suppose you wanted to know if men or women students spend more money on clothes. You consider two different plans for carrying out an observational study: Plan 1: Ask the participants how much they spent on clothes during the last 3 months, and then compare the amounts reported by the men and the women. Plan 2: Ask the participants to keep a diary in which they record their clothing expenditures for the next 3 months, and then compare the amounts recorded by the men and the women.
a. Which of these plans is a retrospective study? What term is used for the other plan?
b. Give one disadvantage of each plan.


$1.99
Sales0
Views33
Comments0
  • CreatedOctober 22, 2015
  • Files Included
Post your question
5000