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Author Question: Professor Hardy has spent the last decade conducting a study of the effects of early childhood ... (Read 200 times)

robinn137

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on: Aug 13, 2018
Professor Hardy has spent the last decade conducting a study of the effects of early childhood wellness programs on subsequent delinquency. Every year, researchers visit participating families and collect a variety of data. Over the course of ten years, many families have moved away and the research staff has been unable to locate them. What problem has Professor Hardy encountered?
 
  a. cross-sectional distortion
  b. cohort distortion
  c. panel attrition
  d. experimental mortality

Question 2

Which of the following would allow a researcher to measure change in a general population over time?
 
  a. trend study
  b. cohort study
  c. panel study
  d. cross-sectional study


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xiaomengxian

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Reply #1 on: Aug 13, 2018
Answer to Question 1

c

Answer to Question 2

a


robinn137

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Reply 2 on: Aug 13, 2018
Excellent

hramirez205

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Reply 3 on: Yesterday
Wow, this really help

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