Question

Tim and his graduate students measured jumping knee valgus moments from 1000 female soccer players and monitored their incidence of knee injuries in a span of two years while playing competitive soccer. A correlational analysis of the valgus and injury data would be an example of what kind of validity evidence?

.	concurrent validity
	b.	equivalence
	c.	content validity
	d.	predictive

The physical therapist at the clinic is concerned that range-of-motion (ROM) measurements collected on patients are not reliable enough so he decides to measure the Pearson correlation between the ROM data collected by his two PT assistants. What type of reliability or validity evidence is applicable in this case?

intraclass reliability
	b.	concurrent validity
	c.	objectivity
	d.	predictive validity

Answer 1

a) Concurrent validity

Explanation: Concurrent validity is usually measured by the correlation between a new test and an existing test to demonstrate whether the new test correlates well with the existing test. Therefore, the resulting correlation is a concurrent validity coefficient.

b) Interclass Reliability

Explanation: Intraclass correlation measures the reliability of measurements for groups or persons.