Positive affect: a method of content analysis for verbal samples.
D000293:Adolescent; D000328:Adult; D000339:Affect; D001007:Anxiety / Q000175:diagnosis; D005260:Female; D006240:Happiness; D006801:Humans; D008297:Male; D008425:Maternal Behavior; D001523:Mental Disorders; D008875:Middle Aged; D011157:Population Dynamics; D013334:Students; D014705:Verbal Behavior