Question: the sport psychology sub-field of performance enhancement deals primarily with
[{'answer': 'Arousal regulation', 'provenance': [{'wikipedia_id': '25688228', 'title': 'Sport psychology', 'start_paragraph_id': 97, 'start_character': 11, 'end_paragraph_id': 97, 'end_character': 29, 'bleu_score': 1.0, 'section': 'Section::::Commonly used techniques.\n'}]}, {'provenance': [{'wikipedia_id': '25688228', 'title': 'Sport psychology', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 0, 'bleu_score': 1.0, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7289676914529624346}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '25688228', 'title': 'Sport psychology', 'start_paragraph_id': 98, 'start_character': 0, 'end_paragraph_id': 98, 'end_character': 1950, 'bleu_score': 0.9829800224650941, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7289676914529624346}, 'section': 'Section::::Commonly used techniques.:Arousal regulation.\n'}]}, {'provenance': [{'wikipedia_id': '25688228', 'title': 'Sport psychology', 'section': 'Section::::Common areas of study.:Personality.\n', 'start_paragraph_id': 48, 'end_paragraph_id': 48, 'meta': {'evidence_span': ['These include arousal regulation, goal setting, imagery,', 'These include arousal regulation, goal setting, imagery, pre-performance routines, and self-talk']}}]}, {'provenance': [{'wikipedia_id': '25688228', 'title': 'Sport psychology', 'section': 'Section::::Commonly used techniques.\n', 'start_paragraph_id': 97, 'end_paragraph_id': 97, 'meta': {'evidence_span': ['Commonly used techniques.:Arousal regulation.', 'Commonly used techniques.:Arousal regulation', 'Commonly used techniques.:Arousal regulation']}}]}]