Higher coefficients indicate higher validity. Generally, assessments with a coefficient of .60 and above are considered acceptable or highly valid. Types of Validity. There are three types of validity that we should consider: content, predictive, and construct validity. Content validity refers to the extent to which an assessment represents all facets of tasks within the domain being assessed.
The definition of a gland is an organ or group of cells that releases substances or waste from the body. An example of a gland is the thyroid. any organ or specialized group of cells that produces secretions, as insulin or bile, or excretions, as urine: some glands, as the liver and kidneys, have ducts that empty into an organ: the ductless (or endocrine) glands, as the thyroid and adrenals, secrete hormones.
Medical Definition of Prostate gland. Prostate gland: A gland in the male reproductive system that is located just below the bladder. It surrounds part of the urethra, the canal that empties the bladder. The prostate gland helps to control urination, and it forms part of the content of semen. Also known as simply the prostate.