Schaie's sequential study of stability of intellectual abilities ...

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Schaie's sequential study of stability of intellectual abilities showed that
 
  a. both cohort and age affect intellectual performance.
  b. cohort, but not age, affects intellectual performance.
  c. age, but not cohort, affects intellectual performance.
  d. neither cohort nor age affects intellectual performance.

Question 2

Research on marital satisfaction has shown that
 
  a. marriages tend to crumble due to the build up of negative feelings that accumulate over the years.
  b. an early negative reaction concerning a marriage will likely continue to be seen at about the same level throughout the marriage.
  c. most divorces are due to a midlife crisis occurring about 14 years into a marriage.
  d. divorce is less likely in couples who hold an overly romantic view of their marriage at its start.

[Joc]

Answer to Question 1

a

Answer to Question 2

b

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Thank you!

[Joc]

Happy to help