Main theoretical models in clinical psychology: psychoanalytic, cognitive-behavioral, systemic and humanistic. Adjustment models, risk factors, developmental psychopathology, stress-diathesis and biopsychosocial models. Methods and instruments in clinical psychology: multidimensionality, clinical interview and behavioral observation, structured and semi-structured interviews, psychodynamic assessment. Validation of assessment instruments: CCT and IRT models, stages of validation of assessment methods, accuracy and bias in psychological assessment. Diagnostic classification: DSM-5, ICD-11, PDM-2, HiTOP. Mood disorders: depression, bipolar disorders, cyclothymia. Anxiety disorders: generalized anxiety, social anxiety, phobias, obsessive-compulsive disorder. Somatization disorders: somatic symptom disorder, illness anxiety disorders, conversion disorder, factitious disorders. Trauma-related disorders: dissociation, depersonalization, derealization. Addiction: substance use and behavioral disorders. Impulse control disorders. Eating disorders and nutrition: anorexia and bulimia nervosa, binge eating disorder, avoidant-restrictive eating disorder. Personality disorders: A-B-C-clusters and DSM-5 alternative model. Process of psychological intervention: relationship building, case analysis, planning, therapeutic actions, outcome monitoring.