James-Lange theory of emotion the idea that the perception of an emotion arousing stimulus leads to a behavioural response that results in differing sensory and motor feedback to the brain, which is interpreted as an emotion.
Jealousy The negative emotional reaction experienced when a relationship that is important to a person's self-concept is threatened by a real or imagined rival.
Jigsaw classroom A cooperative group-learning technique designed to reduce prejudice and raise self-esteem.
Job burnout The syndrome of emotional exhaustion, depersonalization, and reduced personal accomplishment, often experienced by workers in high-stress jobs.
Judgment The process by which people form opinions, reach conclusions, and make critical evaluations of events and people based on available material; also, the product of that mental activity.
Just noticeable difference (JND) The smallest difference between two sensations that allows them to be discriminated.
Just-world belief A belief that the world is a fair and equitable place, with people getting what they deserve in life.
