The main requirement of practical psycho-diagnosis involves knowledge of: Select one: a. Set of rules and norms for the application of psycho-diagnostic tools. b. Problems of psychological diagnosing. c. General human morality. d. Professions of the examinee. Diagnostic examination has an important characteristic that differ it from: Select one: a. Theorizing. b. Dispute. c. Scientific research. d. Methodical work.