James-Lange Theory of Emotion - A peripheral-feedback theory of emotion stating that an eliciting stimulus triggers a behavioral response that sends different sensory and motor feedback to the brain and creates the feeling of a specific emotion.
Jigsaw Classrooms - Classrooms that use a technique known as jigsawing, in which each pupil is given part of the total material to master and then share with other group members.
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.