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Sigmund Freud primarily used the case study method to gather information and develop his theories of abnormal behavior. He conducted in-depth analysis of individual patients, using techniques like free association and dream analysis to uncover unconscious thoughts and conflicts. Freud's focus on individual cases allowed him to explore the complexities of psychopathology in depth.
It was created in the 1880s by Sigmund Freud.
If by Sigmund you mean Sigmund Freud, the answer is yes, as his parents were both Chassidic Jews.
No, Sigmund Freud is not single.
Sigmund Freud was about 5 feet 7 inches tall (170 cm).
Sigmund Grønmo was born in 1947.
Sigmund Kroslid was born in 1947.
Sigmund Lebert was born in 1821.
Sigmund Lebert died in 1884.
Sigmund Sobolewski was born in 1923.
Sigmund Schenkling was born in 1865.
Sigmund Schenkling died in 1946.