The delineation and measurement of study difficulty in university students.
D000342:Affective Symptoms / Q000175:diagnosis; D004521:Educational Measurement; D004522:Educational Status; D006801:Humans; D001523:Mental Disorders; D009042:Motivation; D009497:Neurotic Disorders / Q000175:diagnosis; D011569:Psychiatric Status Rating Scales; D013334:Students; D011795:Surveys and Questionnaires; D014495:Universities