What is the relationship between the standard error of estimate and the validity coefficient?

Questions #1:

What is the relationship between the standard error of estimate and the validity coefficient?

a. As the validity coefficeint increases, so does the standard error of estimate

b. As the vlaidity coefficient increases, the stanrad error of estimate decreases

c. No relationship exists

d. A relationship exists only when the correlation is orthogonal.

Question #2:

Continous Performance Tests have long been associated with the assessment of _______________, but are in fact sensitive to symptoms present in a wide range of disorders.

a. anciety

b. conduct disorder

c. depression

d. hyperactivity