Glossary P

Performance scale refers to a test that consists of tasks that require a subject to do something rather than to answer questions.
Performance specification describes the ideal function of a system or tool. Performance specification indicates the functions necessary for the item to successfully meet objectives.

Performance standards are the levels of achievement pupils/students must reach to receive particular grades in a criterion-referenced grading system, for example grades higher than 90 receives an A, between 80 and 90 receives a B, and so on

Performance-contingent reward refer to a reward that are based on how well an individual performs a task.

Performing stage refers to the fourth and final stage of the team process, in which teams work toward accomplishing their goals.
- Periaqueductal gray (area) : Periaqueductal gray are refers to an area of the mid-brain that, when stimulated, decreases pain; area of the brainstem that is rich in Enkephalin synapses.
Perimysium refers to the connective tissue surrounding the fasciculus of skeletal muscle fibers.

Perinatal environment refers to the environment surrounding birth. Perinatal refers to the time around birth, both before and after birth