_____ A child's mental age is always higher than their chronological age

Maaza finds a correlation between a personality test and job performance that equals .29. She has found the:

A) performance coefficient. B) validity coefficient. C) coefficient of determination. D) coefficient of agreement.

Ramsey, a three-year-old child, is given a three-dimensional map to help him navigate an obstacle course. Ramsey's ability to use the map to navigate the obstacle course successfully may be hindered if ___

a. he is allowed to play with the map for several minutes before using it b. the map is much smaller than the actual obstacle course c. the obstacle course is very difficult d. none of the above