Publication Information

{'id': 'https://openalex.org/W2999104021', 'doi': 'https://doi.org/10.4103/ijpsym.ijpsym_504_19', 'title': 'Sample Size and its Importance in Research', 'display_name': 'Sample Size and its Importance in Research', 'publication_year': 2020, 'publication_date': '2020-01-01', 'ids': {'openalex': 'https://openalex.org/W2999104021', 'doi': 'https://doi.org/10.4103/ijpsym.ijpsym_504_19', 'mag': '2999104021', 'pmid': 'https://pubmed.ncbi.nlm.nih.gov/31997873', 'pmcid': 'https://www.ncbi.nlm.nih.gov/pmc/articles/6970301'}, 'language': 'en', 'primary_location': {'is_oa': True, 'landing_page_url': 'https://doi.org/10.4103/ijpsym.ijpsym_504_19', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S44261829', 'display_name': 'Indian Journal of Psychological Medicine', 'issn_l': '0253-7176', 'issn': ['0253-7176', '0975-1564'], 'is_oa': True, 'is_in_doaj': True, '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': 'cc-by-nc', 'license_id': 'https://openalex.org/licenses/cc-by-nc', 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': ['crossref', 'doaj', 'pubmed'], 'open_access': {'is_oa': True, 'oa_status': 'diamond', 'oa_url': 'https://doi.org/10.4103/ijpsym.ijpsym_504_19', 'any_repository_has_fulltext': True}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5033262858', 'display_name': 'Chittaranjan Andrade', 'orcid': 'https://orcid.org/0000-0003-1526-567X'}, 'institutions': [{'id': 'https://openalex.org/I699696', 'display_name': 'National Institute of Mental Health and Neurosciences', 'ror': 'https://ror.org/0405n5e57', 'country_code': 'IN', 'type': 'healthcare', 'lineage': ['https://openalex.org/I699696']}], 'countries': ['IN'], 'is_corresponding': True, 'raw_author_name': 'Chittaranjan Andrade', 'raw_affiliation_strings': ['Clinical Psychopharmacology Unit, Department of Clinical Psychopharmacology and Neurotoxicology, National Institute of Mental Health and Neurosciences, Bengaluru, Karnataka, India.'], 'affiliations': [{'raw_affiliation_string': 'Clinical Psychopharmacology Unit, Department of Clinical Psychopharmacology and Neurotoxicology, National Institute of Mental Health and Neurosciences, Bengaluru, Karnataka, India.', 'institution_ids': ['https://openalex.org/I699696']}]}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 1, 'corresponding_author_ids': ['https://openalex.org/A5033262858'], 'corresponding_institution_ids': ['https://openalex.org/I699696'], 'apc_list': {'value': 0, 'currency': 'USD', 'value_usd': 0, 'provenance': 'doaj'}, 'apc_paid': None, 'fwci': 28.756, 'has_fulltext': False, 'cited_by_count': 210, 'citation_normalized_percentile': {'value': 0.999993, 'is_in_top_1_percent': True, 'is_in_top_10_percent': True}, 'cited_by_percentile_year': {'min': 99, 'max': 100}, 'biblio': {'volume': '42', 'issue': '1', 'first_page': '102', 'last_page': '103'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T14084', 'display_name': 'Methodology and Impact of Social Science Research', 'score': 0.9872, 'subfield': {'id': 'https://openalex.org/subfields/3312', 'display_name': 'Sociology and Political Science'}, 'field': {'id': 'https://openalex.org/fields/33', 'display_name': 'Social Sciences'}, 'domain': {'id': 'https://openalex.org/domains/2', 'display_name': 'Social Sciences'}}, 'topics': [{'id': 'https://openalex.org/T14084', 'display_name': 'Methodology and Impact of Social Science Research', 'score': 0.9872, 'subfield': {'id': 'https://openalex.org/subfields/3312', 'display_name': 'Sociology and Political Science'}, 'field': {'id': 'https://openalex.org/fields/33', 'display_name': 'Social Sciences'}, 'domain': {'id': 'https://openalex.org/domains/2', 'display_name': 'Social Sciences'}}, {'id': 'https://openalex.org/T10206', 'display_name': 'Meta-analysis and systematic reviews', 'score': 0.9813, 'subfield': {'id': 'https://openalex.org/subfields/1804', 'display_name': 'Statistics, Probability and Uncertainty'}, '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/T13555', 'display_name': 'Healthcare cost, quality, practices', 'score': 0.963, 'subfield': {'id': 'https://openalex.org/subfields/3600', 'display_name': 'General Health Professions'}, 'field': {'id': 'https://openalex.org/fields/36', 'display_name': 'Health Professions'}, 'domain': {'id': 'https://openalex.org/domains/4', 'display_name': 'Health Sciences'}}], 'keywords': [{'id': 'https://openalex.org/keywords/sample', 'display_name': 'Sample (material)', 'score': 0.8256391}, {'id': 'https://openalex.org/keywords/statistical-power', 'display_name': 'Statistical power', 'score': 0.5350913}], 'concepts': [{'id': 'https://openalex.org/C129848803', 'wikidata': 'https://www.wikidata.org/wiki/Q2564360', 'display_name': 'Sample size determination', 'level': 2, 'score': 0.91881216}, {'id': 'https://openalex.org/C198531522', 'wikidata': 'https://www.wikidata.org/wiki/Q485146', 'display_name': 'Sample (material)', 'level': 2, 'score': 0.8256391}, {'id': 'https://openalex.org/C105795698', 'wikidata': 'https://www.wikidata.org/wiki/Q12483', 'display_name': 'Statistics', 'level': 1, 'score': 0.54714227}, {'id': 'https://openalex.org/C96608239', 'wikidata': 'https://www.wikidata.org/wiki/Q1199823', 'display_name': 'Statistical power', 'level': 2, 'score': 0.5350913}, {'id': 'https://openalex.org/C177264268', 'wikidata': 'https://www.wikidata.org/wiki/Q1514741', 'display_name': 'Set (abstract data type)', 'level': 2, 'score': 0.5170784}, {'id': 'https://openalex.org/C41008148', 'wikidata': 'https://www.wikidata.org/wiki/Q21198', 'display_name': 'Computer science', 'level': 0, 'score': 0.3979583}, {'id': 'https://openalex.org/C15744967', 'wikidata': 'https://www.wikidata.org/wiki/Q9418', 'display_name': 'Psychology', 'level': 0, 'score': 0.37876222}, {'id': 'https://openalex.org/C33923547', 'wikidata': 'https://www.wikidata.org/wiki/Q395', 'display_name': 'Mathematics', 'level': 0, 'score': 0.30657446}, {'id': 'https://openalex.org/C121332964', 'wikidata': 'https://www.wikidata.org/wiki/Q413', 'display_name': 'Physics', 'level': 0, 'score': 0.08421114}, {'id': 'https://openalex.org/C97355855', 'wikidata': 'https://www.wikidata.org/wiki/Q11473', 'display_name': 'Thermodynamics', 'level': 1, 'score': 0.0}, {'id': 'https://openalex.org/C199360897', 'wikidata': 'https://www.wikidata.org/wiki/Q9143', 'display_name': 'Programming language', 'level': 1, 'score': 0.0}], 'mesh': [], 'locations_count': 5, 'locations': [{'is_oa': True, 'landing_page_url': 'https://doi.org/10.4103/ijpsym.ijpsym_504_19', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S44261829', 'display_name': 'Indian Journal of Psychological Medicine', 'issn_l': '0253-7176', 'issn': ['0253-7176', '0975-1564'], 'is_oa': True, 'is_in_doaj': True, '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': 'cc-by-nc', 'license_id': 'https://openalex.org/licenses/cc-by-nc', 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, {'is_oa': False, 'landing_page_url': 'https://doaj.org/article/444a9d6b6a2a495b93aae2fac91c9233', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4306401280', 'display_name': 'DOAJ (DOAJ: Directory of Open Access Journals)', 'issn_l': None, 'issn': None, 'is_oa': True, 'is_in_doaj': False, 'is_core': False, 'host_organization': None, 'host_organization_name': None, 'host_organization_lineage': [], 'host_organization_lineage_names': [], 'type': 'repository'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, {'is_oa': True, 'landing_page_url': 'https://europepmc.org/articles/pmc6970301', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4306400806', 'display_name': 'Europe PMC (PubMed Central)', 'issn_l': None, 'issn': None, 'is_oa': True, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I1303153112', 'host_organization_name': 'European Bioinformatics Institute', 'host_organization_lineage': ['https://openalex.org/I1303153112'], 'host_organization_lineage_names': ['European Bioinformatics Institute'], 'type': 'repository'}, 'license': 'cc-by-nc-sa', 'license_id': 'https://openalex.org/licenses/cc-by-nc-sa', 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, {'is_oa': True, 'landing_page_url': 'https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6970301', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S2764455111', 'display_name': 'PubMed Central', 'issn_l': None, 'issn': None, 'is_oa': True, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I1299303238', 'host_organization_name': 'National Institutes of Health', 'host_organization_lineage': ['https://openalex.org/I1299303238'], 'host_organization_lineage_names': ['National Institutes of Health'], 'type': 'repository'}, 'license': None, 'license_id': None, 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, {'is_oa': False, 'landing_page_url': 'https://pubmed.ncbi.nlm.nih.gov/31997873', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4306525036', 'display_name': 'PubMed', 'issn_l': None, 'issn': None, 'is_oa': False, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I1299303238', 'host_organization_name': 'National Institutes of Health', 'host_organization_lineage': ['https://openalex.org/I1299303238'], 'host_organization_lineage_names': ['National Institutes of Health'], 'type': 'repository'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': {'is_oa': True, 'landing_page_url': 'https://doi.org/10.4103/ijpsym.ijpsym_504_19', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S44261829', 'display_name': 'Indian Journal of Psychological Medicine', 'issn_l': '0253-7176', 'issn': ['0253-7176', '0975-1564'], 'is_oa': True, 'is_in_doaj': True, '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': 'cc-by-nc', 'license_id': 'https://openalex.org/licenses/cc-by-nc', 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, 'sustainable_development_goals': [{'id': 'https://metadata.un.org/sdg/4', 'display_name': 'Quality education', 'score': 0.45}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 4, 'referenced_works': ['https://openalex.org/W155205445', 'https://openalex.org/W2124547615', 'https://openalex.org/W2917228042', 'https://openalex.org/W2966266579'], 'related_works': ['https://openalex.org/W977438452', 'https://openalex.org/W4388813866', 'https://openalex.org/W4293088233', 'https://openalex.org/W4236933217', 'https://openalex.org/W3041891053', 'https://openalex.org/W2999104021', 'https://openalex.org/W2850804095', 'https://openalex.org/W2162280767', 'https://openalex.org/W1989415248', 'https://openalex.org/W1481656249'], 'abstract_inverted_index': {'The': [0, 35], 'sample': [1, 20, 29, 37, 58, 69], 'size': [2, 38, 59, 70], 'for': [3, 62], 'a': [4, 19, 28, 63, 88], 'study': [5, 14], 'needs': [6], 'to': [7, 75], 'be': [8, 40, 53], 'estimated': [9], 'at': [10], 'the': [11, 13, 82], 'time': [12], 'is': [15, 21, 30, 60], 'proposed;': [16], 'too': [17, 26], 'large': [18], 'unnecessary': [22], 'and': [23, 25, 32, 71, 84, 90], 'unethical,': [24], 'small': [27], 'unscientific': [31], 'also': [33], 'unethical.': [34], 'necessary': [36], 'can': [39, 52], 'calculated,': [41], 'using': [42], 'statistical': [43, 80], 'software,': [44], 'based': [45], 'on': [46], 'certain': [47], 'assumptions.': [48], 'If': [49], 'no': [50], 'assumptions': [51], 'made,': [54], 'then': [55], 'an': [56], 'arbitrary': [57], 'set': [61], 'pilot': [64], 'study.': [65], 'This': [66], 'article': [67], 'discusses': [68], 'how': [72], 'it': [73], 'relates': [74], 'matters': [76], 'such': [77], 'as': [78], 'ethics,': [79], 'power,': [81], 'primary': [83], 'secondary': [85], 'hypotheses': [86], 'in': [87], 'study,': [89], 'findings': [91], 'from': [92], 'larger': [93], 'vs.': [94], 'smaller': [95], 'samples.': [96]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2999104021', 'counts_by_year': [{'year': 2024, 'cited_by_count': 111}, {'year': 2023, 'cited_by_count': 66}, {'year': 2022, 'cited_by_count': 18}, {'year': 2021, 'cited_by_count': 7}, {'year': 2020, 'cited_by_count': 1}], 'updated_date': '2024-12-22T12:51:25.472568', 'created_date': '2020-01-23'}