Predictive validation is generally more useful to the selection process than concurrent validation because:

		predictive validation involves contribution from many individuals.
		concurrent validity only assesses scores on a selection test and current performance while predictive validity focuses on future performance.
		the effort needed for predictive validation is less than for concurrent validation.
		the time taken for predictive validation is less than for concurrent validation.
		job applicants often have no information about organizational culture.

2.

Which of the following correlation coefficients indicates a perfect negative relationship?

		6.67
		+1.0
		10
		1.0
		0.0