Author Question: The single largest methodological concern in longitudinal studies is a. cohort effects. b. ... (Read 89 times)

moongchi

  • Hero Member
  • *****
  • Posts: 516
The single largest methodological concern in longitudinal studies is
 
  a. cohort effects.
  b. attrition.
  c. trend effects.
  d. retrospective errors.

Question 2

Longitudinal research that calls for identifying participants in a study and following them into the future involves a
 
  a. withdrawal design.
  b. cohort design.
  c. prospective design.
  d. cross-sectional design.



Silverbeard98

  • Sr. Member
  • ****
  • Posts: 355
Answer to Question 1

b

Answer to Question 2

c



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

Did you know?

Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.

Did you know?

Never take aspirin without food because it is likely to irritate your stomach. Never give aspirin to children under age 12. Overdoses of aspirin have the potential to cause deafness.

Did you know?

Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.

For a complete list of videos, visit our video library