________ sampling is a sampling technique that allows researchers with special expertise about a group to select subjects who represent the population.

A) Accidental
B) Judgmental
C) Chain referral
D) Quota

Judgmental sampling (also known as purposive or selective sampling) is used when researchers have special knowledge about a population and can select subjects who are representative of it. This technique is commonly used in qualitative research or when a specific subgroup of the population is being studied. Accidental (A), Chain referral (C), and Quota (D) are all different types of sampling techniques with different selection criteria.