{"id_concept_class": "", "creation_time": 1512660640807, "event_stamp": "2013-04-01T17:52:49", "def_id_user": "usr_4de5345b3b6a8", "def_event_stamp": "2013-04-01T17:52:50", "last_updated": 1512660640807, "def_id": "def_5159c97204113", "name": "effort valuation", "alias": "willingness to work", "definition_text": "Processes by which the cost(s) of obtaining an outcome is computed; tendency to overcome response costs to obtain a reinforcer.", "id_user": "usr_4de5345b3b6a8", "id": "trm_5159c971bf444", "type": "concept", "concepts": [], "contrasts": [], "citations": [], "conceptclasses": [], "relationships": []}