{"doi":"10.17615/m07k-1h87","title":"Examining the factor structure and discriminative utility of the Infant Behavior Questionnaire–Revised in infant siblings of autistic children","abstract":"Using the Infant Behavior Questionnaire–Revised in a longitudinal sample of infant siblings of autistic children (HR; n = 427, 171 female, 83.4% White) and a comparison group of low-risk controls (LR, n = 200, 86 female, 81.5% White), collected between 2007 and 2017, this study identified an invariant factor structure of temperament traits across groups at 6 and 12 months. Second, after partitioning the groups by familial risk and diagnostic outcome at 24 months, results reveal an endophenotypic pattern of Positive Emotionality at both 6 and 12 months, (HR-autism spectrum disorder [ASD] < HR-no-ASD < LR). Third, increased ‘Duration of Orienting’ at 12 months was associated with lower scores on the 24-month developmental outcomes in HR infants. These findings may augment efforts for early identification of ASD.","journal":"UNC Libraries","year":2024,"id":499696,"datarank":0.0,"base_score":0.0,"endowment":0.0,"self_citation_contribution":0.0,"citation_network_contribution":0.0,"self_endowment_contribution":0.0,"citer_contribution":0.0,"corpus_percentile":null,"corpus_rank":null,"citation_count":0,"citer_count":0,"citers_with_citation_signal":0,"citers_with_endowment":0,"datacite_reuse_total":0,"is_dataset":false,"is_dataset_confidence":0.8031,"is_data_producer":false,"deposit_databanks":null,"is_oa":true,"file_count":0,"downloads":0,"has_version_chain":false,"published_date":"2024-01-01","fair_score":null,"fair_percentile":null,"algorithm_id":"datarank_citation_only_1hop_v6","ranking_scope":"data_only","authors":[{"id":1348622,"name":"J.T Elison","orcid":null,"position":1,"is_corresponding":false},{"id":770786,"name":"S.R. Dager","orcid":null,"position":2,"is_corresponding":false},{"id":962367,"name":"Angela Fenoglio","orcid":"0000-0002-3470-8467","position":3,"is_corresponding":false},{"id":770793,"name":"A.M. Estes","orcid":null,"position":4,"is_corresponding":false},{"id":727737,"name":"IBIS Network","orcid":null,"position":5,"is_corresponding":false},{"id":770798,"name":"H.C Hazlett","orcid":null,"position":6,"is_corresponding":false},{"id":1348623,"name":"J.J Wolff","orcid":null,"position":7,"is_corresponding":false},{"id":1347631,"name":"Sharon C. Sung","orcid":"0000-0003-3293-2112","position":8,"is_corresponding":false},{"id":1348624,"name":"R.T Schultz","orcid":null,"position":9,"is_corresponding":false},{"id":540227,"name":"L Zwaigenbaum","orcid":null,"position":10,"is_corresponding":false},{"id":770794,"name":"K.N. Botteron","orcid":null,"position":11,"is_corresponding":false},{"id":540233,"name":"J Piven","orcid":null,"position":0,"is_corresponding":true}],"reference_count":0,"raw_metadata":null,"created_at":"2026-07-19T02:09:53.188165Z","pmid":null,"pmcid":null,"fwci":null,"citation_percentile":null,"influential_citations":0,"oa_status":null,"license":null,"views":0,"total_file_size_bytes":0,"version_count":0,"fair_f":null,"fair_a":null,"fair_i":null,"fair_r":null,"fair_zscore":null,"fair_rationale":null,"fair_model":null,"fair_agent_version":null,"fair_fulltext_source":null,"fair_has_llm":null,"fair_computed_at":null,"clinical_trials":[],"software_tools":[],"db_accessions":[],"linked_datasets":[],"topics":[]}