The Sleep Cycle app uses the accelerometer in your iPhone to detect your movements while you sleep. You move in different ways throughout the night, and these movements are tied in with the different phases of sleep you pass through, from light sleep, to REM sleep to deep sleep, and back again.
A skills assessment is typically utilized in professional environments in which it is used to evaluate the productivity and professional potential of a person. This type of assessment can be used to analyze how well a possible new-hire might fit into a particular environment.
A high-stakes system may be intended to benefit people other than the test-taker. For professional certification and licensure examinations, the purpose of the test is to protect the general public from incompetent practitioners. Sometimes a high-stakes test is tied to a controversial reward. 2  For example, some people may want a high-school diploma to represent the verified acquisition of specific skills or knowledge, and therefore use a high-stakes assessment to deny a diploma to anyone who cannot perform the necessary skills.