Question: Suppose you wanted to know if men or women students

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
Views56
Comments
  • CreatedOctober 22, 2015
  • Files Included
Post your question
5000