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.
Therefore, the Pre-test/Post-test assessment measures the learning acquisition of the individual only. For establishing Thresholds of learning, they should be set based on the types of training offered. In the case of training methodology such as Training of the Trainers (TOT), the threshold should be 90%.