RT Article T1 Learned helplessness, causal attribution, and response to frustration JF The journal of general psychology VO 117 IS 1 SP 47 OP 56 A1 Dor-Shav, Netto K. A2 Mikulincer, Mario LA German YR 1990 UL https://krimdok.uni-tuebingen.de/Record/1637993854 K1 Gelernte Hilflosigkeit