Glossary H

Hit is the correct detection of a signal that has been presented. Also, Hit is when a witness accurately identifies the person who committed a crime from a lineup

Hit rate is a term used in test-decision analysis that refers to the proportion of cases in which a test accurately predicts success or failure.

HIV RNA testing is the test that allows health care providers to monitor the amount of virus in the bloodstream.

HIV stands for a virus, the human immunodeficiency virus, which cripples the body's immune system. AIDS stands for acquired immunodeficiency syndrome. HIV is a sexually transmitted infection that can also be transmitted in other ways, such as sharing needles when shooting up drugs. AIDS is caused by HIV and describes the body's state when the immune system is weakened to the point where it is vulnerable to a variety of diseases that would otherwise be fought off .

- HMO (Health maintenance organization) : HMO (Health maintenance organization) refers to a managed care system that employs a restricted number of providers to serve enrollees. In an HMO, costs for all services are fixed. HMO is a managed health care organization. Please see Health maintenance organization (HMO)

A hobby is an activity that a person engages in for pleasure or personal fulfillment, rather than for work or obligation. Hobbies can have a range of psychological benefits, including reducing stress, promoting relaxation and mindfulness, and increasing feelings of accomplishment and competence.

Höhenangst means acrophobia which is the fear of heights. It is a German word which literally means height fear (fear of heights)
Hold-out sample refers to a group of employees who are not used in creating the initial weights for a biodata instrument, but instead are used to double-check the accuracy of the initial weights