Assertion: helplessness's effect | /r/HasProperty | broken into inescapable harness
Facets:
value: only then
type: TEMPORAL
Source sentences:
text: When the researchers first put all the dogs in the shuttle box, where the shock was controllable by a jump, and, only then, into the inescapable harness, the effect of the harness was broken: now, even though the dogs were being bombarded by shocks, they didn’t give up.