Nina is in labor and feels a strong urge to push her baby out. Which stage of labor is she in?

According to the authors, we experience the taste sensation of saltiness

A) at the tip of the tongue. B) throughout all areas of the tongue; there is no one location for any of the tastes. C) toward the front of the tongue, but not on the tip. D) toward the rear area of the tongue.

Research has shown tests of cognitive ability to be ________ and tests of personality characteristics to be ________ predictors of job performance

a. highly valid; highly valid b. invalid; highly valid c. invalid; invalid d. highly valid; invalid