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.
A gland is always an organ. Therefore, it is important to know the specific features of glands that are useful to distinguish those from other organs. Since, glands support all other organs and organ systems to function according to the requirement, there should be a high demand to know the particulars of glands. This article discusses the differences of glands from other organs. Gland. According to the definition for the term gland, it could be either a specialized cell, or a group of cells, or an organ of endothelial origin, which secretes substances into the blood stream or removes selected materials from blood or body.