Effect of threat and uncertainty of mastery of stress.
D001007:Anxiety; D001143:Arousal; D001359:Aviation; D003463:Cues; D005239:Fear; D005712:Galvanic Skin Response; D006801:Humans; D011214:Practice, Psychological; D011581:Psychological Tests; D011930:Reaction Time; D013315:Stress, Psychological; D014936:Word Association Tests