Lava flows produced by eruptions under water are called pillow lavas. If the viscosity is high, but the gas content is low, then the lava will pile up over the vent to produce a lava dome or volcanic dome. Explosive Eruptions. Explosive eruptions are favored by high gas content & high viscosity magmas (andesitic to rhyolitic magmas).
Medical Definition of intelligence. 1  1a: the ability to learn or understand or to deal with new or trying situationsb: the ability to apply knowledge to manipulate one's environment or to think abstractly as measured by objective criteria (as tests) 2  2: mental acuteness.
Lesson Summary. Intelligence tests, also called IQ tests, measure a person's innate abilities. To do this, a test needs standardization, or equal conditions for all test-takers; and norms, which allow you to compare your test scores with others.To unlock this lesson you must be a Study.com Member. Create your account.any psychological tests, including intelligence tests, are about comparing your score to others' scores to see how you did. Watch this lesson to find out about two important concepts in psychology: standardization and norms.