The degree to which a measurement, or an estimate based on measurements, represents the true value of the attribute... Read More
Biology: Concepts & Connections with Student CD-ROM (5th Edition)
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Psychodiagnostic Chirology (PDC) is a comprehensive diagnostic discipline applied by professional behavioral specialists in... Read More
1. Any effort, process, or operation designed to establish or discover a fact or truth; an act of testing; a test; a... Read More
1. The extent to which a measurement, test or study measures what it purports to measure.
2. Occasionally,... Read More
noun, plural: tests
(1) An examination or evaluation.
(2) (zoology) The external, protective shell, covering or... Read More
Origin: From delicate.
1. The state or condition of being delicate; agreeableness to the senses; delightfulness;... Read More
1. Acting as an instrument; serving as a means; contributing to promote; conductive; helpful; serviceable; as,... Read More
1. A measure; a standard of measure; an instrument to determine dimensions, distance, or capacity; a standard. This... Read More
An instrument, used with a telescope or microscope, for measuring minute distances, or the apparent diameters of... Read More
1. To reduce to a fine, unmixed, or pure state; to free from impurities; to free from dross or alloy; to separate... Read More
Events, diseases, behaviors, infections, flowering... all of these happen at different frequencies and manners in the world.... Read More
Crossing an organism with dominant genotype to a recessive homozygote for a specific phenotype in order to... Read More
Reviewed by: Mary Anne Clark, Ph.D.
Gregor Mendel, an Austrian monk, is most famous in this field for his study... Read More
1. The quality of being heavy; that property of bodies by which they tend toward the center of the earth; the effect... Read More