Assertion: helplessness | /r/HasProperty | coined by psychologist
Facets:
value: in 1967
type: TEMPORAL
value: to describe the behavior of dogs
type: PURPOSE
Source sentences:
text: The term learned helplessness was coined by psychologists Martin Seligman and Steven Maier in 1967 to describe the behavior of dogs who, after experiencing inescapable electric shocks behaved as if they were helpless.