Cross-validation of Purpose-in-Life test based on Frankl's concepts.
D003863:Depression; D005260:Female; D005639:Frustration; D006801:Humans; D008950:MMPI; D008297:Male; D009497:Neurotic Disorders; D011581:Psychological Tests; D011594:Psychometrics; D012737:Sex Factors; D012928:Social Desirability; D012959:Socioeconomic Factors