Evidence for interindividual variability in intelligence is best ...

[Tazate]

Evidence for interindividual variability in intelligence is best demonstrated when
 
  a. a single test of intelligence is based on assessing many different abilities.
 b. the same individual shows improvement in language skills while showing declines in math skills.
  c. an individual's singing improves after taking singing lessons.
 d. one individual's reasoning skills improve with age while another's declines with age.

Question 2

Which best describes a linguistic babble?
 
  a. Contains neither a vowel nor a consonant sound
  b. Contains only a vowel sound
 c. Contains only a consonant sound
 d. Contains both a vowel and a consonant sound

[lindahyatt42]

Answer to Question 1

d

Answer to Question 2

d

[Tazate]

Thanks for the timely response, appreciate it

[ashely1112]

Gracias!