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.
Definition of EXOCRINE GLAND. : a gland (as a salivary gland or part of the pancreas) that releases a secretion external to or at the surface of an organ by means of a canal or duct. See exocrine gland defined for kids.ADVERTISEMENT. a gland (as a salivary gland or part of the pancreas) that releases a secretion external to or at the surface of an organ by means of a canal or duct. See exocrine gland defined for kids.