{"last_modified": {"type": "/type/datetime", "value": "2010-12-03T14:32:09.519388"}, "title": "A comparison of forward and backward chaining instruction on learning and retention of the modified sprint start by adolescents with moderate mental retardation", "created": {"type": "/type/datetime", "value": "2009-12-11T02:52:06.460982"}, "subjects": ["Learning, Psychology of", "Motor learning", "Physical education for mentally handicapped youth", "Physical education for people with mental disabilities", "Physical education for youth with mental disabilities", "Psychology of Learning", "Sprinting"], "latest_revision": 3, "key": "/works/OL10375962W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL4298639A"}}], "type": {"key": "/type/work"}, "revision": 3}