véletlenítéses

Véletlenítéses is a Hungarian adjective derived from the noun véletlenítés (randomization). The word literally means "randomized" or "pertaining to randomization". It is used primarily in scientific and statistical contexts to describe procedures or designs that employ random methods to allocate subjects, treatments, or variables. For example, a véletlenítéses szakos randomizált kísérlet, or a randomized control trial, is a common type of véletlenítéses experimental design in medical research.

The concept of véletlenítés has its roots in the early 20th century, when statisticians and experimental scientists began formalizing random allocation to reduce bias. In Hungarian, the word is formed from véletlen, meaning "chance", and the suffix -ítés, which turns a noun into a process, combined with the adjectival suffix -es. In practice, a véletlenítéses methodology might use computer-generated numbers, dice rolls, or drawing lots to ensure that each participant or sample has an equal probability of selection.

Véletlenítéses approaches are contrasted with deterministic or sequential designs, where allocation follows a fixed pattern. While the philosophical basis of randomization rests on probability theory, in modern research the term véletlenítéses also encompasses more complex procedures such as stratified randomization, cluster randomization, and adaptive designs. The widespread adoption of véletlenítéses methods has played a crucial role in improving the internal and external validity of empirical studies across disciplines such as epidemiology, psychology, agriculture, and market research.