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.
Hormone: A chemical substance produced in the body that controls and regulates the activity of certain cells or organs. Many hormones are secreted by special glands, such as thyroid hormone produced by the thyroid gland.Hormones are essential for every activity of life, including the processes of digestion, metabolism, growth, reproduction, and mood control.any hormones are secreted by special glands, such as thyroid hormone produced by the thyroid gland. Hormones are essential for every activity of life, including the processes of digestion, metabolism, growth, reproduction, and mood control.