Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2093555683', 'doi': 'https://doi.org/10.1177/0146621608329892', 'title': 'Firestar: Computerized Adaptive Testing Simulation Program for Polytomous Item Response Theory Models', 'display_name': 'Firestar: Computerized Adaptive Testing Simulation Program for Polytomous Item Response Theory Models', 'publication_year': 2009, 'publication_date': '2009-10-22', 'ids': {'openalex': 'https://openalex.org/W2093555683', 'doi': 'https://doi.org/10.1177/0146621608329892', 'mag': '2093555683'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1177/0146621608329892', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S94663699', 'display_name': 'Applied Psychological Measurement', 'issn_l': '0146-6216', 'issn': ['0146-6216', '1552-3497'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320017', 'host_organization_name': 'SAGE Publishing', 'host_organization_lineage': ['https://openalex.org/P4310320017'], 'host_organization_lineage_names': ['SAGE Publishing'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': ['crossref'], 'open_access': {'is_oa': False, 'oa_status': 'closed', 'oa_url': None, 'any_repository_has_fulltext': False}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5041901142', 'display_name': 'Seung W. Choi', 'orcid': 'https://orcid.org/0000-0003-4777-5420'}, 'institutions': [{'id': 'https://openalex.org/I111979921', 'display_name': 'Northwestern University', 'ror': 'https://ror.org/000e0be47', 'country_code': 'US', 'type': 'education', 'lineage': ['https://openalex.org/I111979921']}], 'countries': ['US'], 'is_corresponding': True, 'raw_author_name': 'Seung W. Choi', 'raw_affiliation_strings': ['Northwestern University; Feinberg School of Medicine; Chicago IL USA'], 'affiliations': [{'raw_affiliation_string': 'Northwestern University; Feinberg School of Medicine; Chicago IL USA', 'institution_ids': ['https://openalex.org/I111979921']}]}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 1, 'corresponding_author_ids': ['https://openalex.org/A5041901142'], 'corresponding_institution_ids': ['https://openalex.org/I111979921'], 'apc_list': None, 'apc_paid': None, 'fwci': 8.917, 'has_fulltext': False, 'cited_by_count': 167, 'citation_normalized_percentile': {'value': 0.999895, 'is_in_top_1_percent': True, 'is_in_top_10_percent': True}, 'cited_by_percentile_year': {'min': 98, 'max': 99}, 'biblio': {'volume': '33', 'issue': '8', 'first_page': '644', 'last_page': '645'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10467', 'display_name': 'Psychometric Methodologies and Testing', 'score': 0.9993, 'subfield': {'id': 'https://openalex.org/subfields/1803', 'display_name': 'Management Science and Operations Research'}, 'field': {'id': 'https://openalex.org/fields/18', 'display_name': 'Decision Sciences'}, 'domain': {'id': 'https://openalex.org/domains/2', 'display_name': 'Social Sciences'}}, 'topics': [{'id': 'https://openalex.org/T10467', 'display_name': 'Psychometric Methodologies and Testing', 'score': 0.9993, 'subfield': {'id': 'https://openalex.org/subfields/1803', 'display_name': 'Management Science and Operations Research'}, 'field': {'id': 'https://openalex.org/fields/18', 'display_name': 'Decision Sciences'}, 'domain': {'id': 'https://openalex.org/domains/2', 'display_name': 'Social Sciences'}}, {'id': 'https://openalex.org/T13748', 'display_name': 'Advanced Statistical Modeling Techniques', 'score': 0.9476, 'subfield': {'id': 'https://openalex.org/subfields/1705', 'display_name': 'Computer Networks and Communications'}, 'field': {'id': 'https://openalex.org/fields/17', 'display_name': 'Computer Science'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}, {'id': 'https://openalex.org/T13542', 'display_name': 'Grit, Self-Efficacy, and Motivation', 'score': 0.922, 'subfield': {'id': 'https://openalex.org/subfields/3207', 'display_name': 'Social Psychology'}, 'field': {'id': 'https://openalex.org/fields/32', 'display_name': 'Psychology'}, 'domain': {'id': 'https://openalex.org/domains/2', 'display_name': 'Social Sciences'}}], 'keywords': [{'id': 'https://openalex.org/keywords/polytomous-rasch-model', 'display_name': 'Polytomous Rasch model', 'score': 0.94582844}], 'concepts': [{'id': 'https://openalex.org/C207968926', 'wikidata': 'https://www.wikidata.org/wiki/Q7227107', 'display_name': 'Polytomous Rasch model', 'level': 4, 'score': 0.94582844}, {'id': 'https://openalex.org/C19875794', 'wikidata': 'https://www.wikidata.org/wiki/Q1207340', 'display_name': 'Item response theory', 'level': 3, 'score': 0.9114107}, {'id': 'https://openalex.org/C144352353', 'wikidata': 'https://www.wikidata.org/wiki/Q2920411', 'display_name': 'Computerized adaptive testing', 'level': 3, 'score': 0.90470886}, {'id': 'https://openalex.org/C41008148', 'wikidata': 'https://www.wikidata.org/wiki/Q21198', 'display_name': 'Computer science', 'level': 0, 'score': 0.44958803}, {'id': 'https://openalex.org/C15744967', 'wikidata': 'https://www.wikidata.org/wiki/Q9418', 'display_name': 'Psychology', 'level': 0, 'score': 0.44468322}, {'id': 'https://openalex.org/C149782125', 'wikidata': 'https://www.wikidata.org/wiki/Q160039', 'display_name': 'Econometrics', 'level': 1, 'score': 0.43562812}, {'id': 'https://openalex.org/C105795698', 'wikidata': 'https://www.wikidata.org/wiki/Q12483', 'display_name': 'Statistics', 'level': 1, 'score': 0.41571355}, {'id': 'https://openalex.org/C171606756', 'wikidata': 'https://www.wikidata.org/wiki/Q506132', 'display_name': 'Psychometrics', 'level': 2, 'score': 0.36847448}, {'id': 'https://openalex.org/C33923547', 'wikidata': 'https://www.wikidata.org/wiki/Q395', 'display_name': 'Mathematics', 'level': 0, 'score': 0.248469}], 'mesh': [], 'locations_count': 1, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.1177/0146621608329892', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S94663699', 'display_name': 'Applied Psychological Measurement', 'issn_l': '0146-6216', 'issn': ['0146-6216', '1552-3497'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320017', 'host_organization_name': 'SAGE Publishing', 'host_organization_lineage': ['https://openalex.org/P4310320017'], 'host_organization_lineage_names': ['SAGE Publishing'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': None, 'sustainable_development_goals': [], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 13, 'referenced_works': ['https://openalex.org/W1511244611', 'https://openalex.org/W1547716543', 'https://openalex.org/W1966576448', 'https://openalex.org/W1978297899', 'https://openalex.org/W2000619651', 'https://openalex.org/W2049863008', 'https://openalex.org/W2051039162', 'https://openalex.org/W2067740768', 'https://openalex.org/W2084398551', 'https://openalex.org/W2120178518', 'https://openalex.org/W2160900637', 'https://openalex.org/W2167411332', 'https://openalex.org/W3146697253'], 'related_works': ['https://openalex.org/W4309301126', 'https://openalex.org/W2735656694', 'https://openalex.org/W2356456616', 'https://openalex.org/W226604446', 'https://openalex.org/W2146544833', 'https://openalex.org/W2110161405', 'https://openalex.org/W2093555683', 'https://openalex.org/W2071783256', 'https://openalex.org/W1992126445', 'https://openalex.org/W1655920153'], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2093555683', 'counts_by_year': [{'year': 2024, 'cited_by_count': 6}, {'year': 2023, 'cited_by_count': 11}, {'year': 2022, 'cited_by_count': 12}, {'year': 2021, 'cited_by_count': 9}, {'year': 2020, 'cited_by_count': 11}, {'year': 2019, 'cited_by_count': 24}, {'year': 2018, 'cited_by_count': 15}, {'year': 2017, 'cited_by_count': 11}, {'year': 2016, 'cited_by_count': 11}, {'year': 2015, 'cited_by_count': 5}, {'year': 2014, 'cited_by_count': 17}, {'year': 2013, 'cited_by_count': 9}, {'year': 2012, 'cited_by_count': 11}], 'updated_date': '2024-12-08T18:14:29.429368', 'created_date': '2016-06-24'}