Examlex
The speed of a wave is the same as the speed of the particles displaced by the wave.
Positive Predictive Value
The probability that individuals with a positive test result actually have the disease in question, measuring the test's accuracy.
Prevalence
The proportion of individuals in a population who have a specific disease or attribute at a specified point in time or over a specified period.
Cross-Sectional Studies
Studies that observe a population or a representative subset at one specific point in time.
Tertiary Prevention
Efforts to reduce the impact of an ongoing illness or injury that has lasting effects, through rehabilitation and treatment strategies.
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