In which type of conditioning is the learner's behavior important in bringing about the learning?

Concurrent validation differs from predictive validation in that concurrent validation involves:

A. collecting data from job incumbents. B. computing a validity coefficient between the predictor and criterion score. C. measuring predictors and criteria at two different times. D. higher costs associated with administering and developing the tests.

According to Fryar et al. (2012), there has been a steady increase of childhood obesity rates in the U.S. since the 1970s, with a ________ of childhood obesity rates. since 2005–2006

a. slight increase b. sharp increase c. slight decrease d. sharp decrease