Which of the following statements are true about tests of ...

[anshika]

Which of the following statements are true about tests of psychomotor abilities? (1 ) their
  reliabilities are low; (2 ) the correlations among different tests are low; (3 ) they are highly
  susceptible to practice effects.
 
  A) 1 and 3 B) 2 and 3 C) 1 and 2 D) 1, 2, and 3

Question 2

Regarding the relationship of mental ability to race, it has been proven that
 
  A) lower IQs in blacks and whites are due to environment.
  B) the mean score of blacks is usually lower than that of whites on intelligence tests that
  have not been culturally adjusted.
  C) lower IQs in blacks and whites are due to heredity.
  D) blacks are genetically inferior to whites in measured ability.

[nmyers]

Answer to Question 1

D

Answer to Question 2

B