Question: one of the first american psychologists to advocate a behavioral approach was
[{'answer': 'John Broadus Watson', 'provenance': [{'wikipedia_id': '91452', 'title': 'John B. Watson', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 19, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '91452', 'title': 'John B. Watson', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 769, 'bleu_score': 0.9822204502117851, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 832855947189259397}, 'section': 'Section::::Abstract.'}]}]