Schließen
Keen (2002)
Field (2004)
Hobbs & Holt (1976)
Berman & Paisley (1984)
Eysenck (1947)
Fuller (1984)
Madon (2003)
Jahoda (1954)
Rosenthal and Jacobsen (1968)
Pennington (1986)
Parke
Huesman & Eron (1986)
Boyatzis (1995)
Charlton (2000)
Catharsis Theory
Hagell and Newbury (1994)
Williams et al (1981)
Hermmstein and Wilson
Haber and Haber (2001)
