Author Question: Many decades ago, psychologists discovered that comparisons of young and old people revealed that ... (Read 53 times)

Kthamas

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Many decades ago, psychologists discovered that comparisons of young and old people revealed that cognitive functioning declined in old age when cross-sectional research was used.
 
  The same result did not appear with longitudinal research. The problem here is that the results in the cross-sectional research were affected by
  a. cohort effects.
  b. baseline effects.
  c. wave effects.
  d. trend effects.

Question 2

When research involves the simultaneous comparison of two different groups, it is termed
 
  a. multiple baseline research.
  b. cross-sectional research.
  c. longitudinal research.
  d. panel research.



manuelcastillo

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Answer to Question 1

a

Answer to Question 2

b



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