Which part of I/O psychology involves studying jobs to identify underlying skills, which can then guide efforts to select people and train them for those jobs?

Humans can produce a much wider range of sounds than other primates because the larynx is located lower in the throat. As a result, humans have a large sound-chamber known as the ____

a. vocal folds b. sublarynx c. pharynx d. voice box

Juan is given a vocational-interest test and is then asked to attempt the same test a week later. The test administrator wants to measure the _______________ of the test

a. content validity b. test-retest reliability c. alternate-forms reliability d. criterion validity