This topic contains a solution. Click here to go to the answer

Author Question: Professor Hardy has spent the last decade conducting a study of the effects of early childhood ... (Read 199 times)

robinn137

  • Hero Member
  • *****
  • Posts: 544
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



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

xiaomengxian

  • Sr. Member
  • ****
  • Posts: 311
Answer to Question 1

c

Answer to Question 2

a




robinn137

  • Member
  • Posts: 544
Reply 2 on: Aug 13, 2018
Wow, this really help


mammy1697

  • Member
  • Posts: 341
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

Did you know?

Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.

Did you know?

More than 4.4billion prescriptions were dispensed within the United States in 2016.

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

Did you know?

The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

For a complete list of videos, visit our video library