In Schaie's (2008) sequential research, the finding that, within ...

[amal]

In Schaie's (2008) sequential research, the finding that, within a given cohort, some people show longitudinal decline in certain abilities, some people show stability, and yet others show increases in these same abilities speaks to the concept of
 
  a. acquisition of symbolic knowledge.
  b. plasticity.
  c. interindividual variability.
  d. modification of underlying fluid intelligence abilities.

Question 2

Which of the following is not a basic concept of the life-span view?
 
  a. plasticity
  b. multidirectionality
  c. interindividual variability
  d. intraindividual consistency

[juiceman1987]

Answer to Question 1

ANSWER: c

Answer to Question 2

ANSWER: d

[amal]

Excellent

[covalentbond]

Thanks for the timely response, appreciate it