Locus of control and the expression of humor.
D001007:Anxiety; D003863:Depression; D005149:Facial Expression; D005246:Feedback; D005364:Field Dependence-Independence; D006801:Humans; D007389:Internal-External Control; D007845:Laughter; D008297:Male; D010551:Personality; D010552:Personality Assessment; D012054:Reinforcement, Psychology; D012649:Self Concept; D012919:Social Behavior; D014925:Wit and Humor as Topic; D014936:Word Association Tests