According to Piaget, : a. intelligence is genetic and unfolds ...

[ssal]

According to Piaget, :
 
  a. intelligence is genetic and unfolds through maturation with the passage of time.
  b. cognition is a simple process that is innate and becomes stronger with experience and time.
  c. cognitive developments are based upon children's interactions with the environment.
  d. children are born with all of the schemes they will ever need.

Question 2

Relative to within-subjects designs, mixed-model designs make it easier:
 
  A) to prevent participants from becoming aware of your manipulation
  B) for participants to figure out the researcher's hypothesis
  C) to gain control over individual differences
  D) to conduct the appropriate statistical analysis of one's data

[prumorgan]

Answer to Question 1

C

Answer to Question 2

A

[ssal]

TYSM

[vickyvicksss]

Thanks for the timely response, appreciate it