Kovalchik, Stephanie

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Giles, Brandon, Peeling, Peter ORCID: 0000-0002-3895-0015, Kovalchik, Stephanie and Reid, Machar (2021) Differentiating movement styles in professional tennis: a machine learning and hierarchical clustering approach. European Journal of Sport Science, 23 (1). pp. 44-53. ISSN 1746-1391

van Meurs, E, Buszard, Tim ORCID: 0000-0002-2987-1075, Kovalchik, Stephanie, Farrow, Damian ORCID: 0000-0002-5020-7910 and Reid, Machar (2021) Interpersonal coordination in tennis: assessing the positional advantage index with Australian Open Hawkeye data. International Journal of Performance Analysis in Sport, 21 (1). pp. 22-32. ISSN 2474-8668

Reid, Machar, Wood, Timothy O, Montgomery, Anne-Marie, Botterill, Elissa, Kovalchik, Stephanie, Omizzolo, Melanie, Malara, Frank, Rotstein, Andrew H and Hoy, Gregory A (2020) MRI does not effectively diagnose ulnar-sided wrist pain in elite tennis players. Journal of Science and Medicine in Sport, 23 (6). pp. 564-568. ISSN 1440-2440

Haycraft, Jade ORCID: 0000-0002-2745-2969, Kovalchik, Stephanie, Pyne, David ORCID: 0000-0003-1555-5079 and Robertson, Samuel ORCID: 0000-0002-8330-0011 (2020) Classification of Players Across the Australian Rules Football Participation Pathway Based on Physical Characteristics. Journal of Strength and Conditioning Research. ISSN 1064-8011

Connolly, M ORCID: 0000-0001-7850-2498, Rotstein, Andrew H, Roebert, J, Grabinski, R, Malara, Frank, O’Shea, T, Woods, Tim, Omizzolo, Melanie, Kovalchik, Stephanie and Reid, Machar (2020) Lumbar spine abnormalities and facet joint angles in asymptomatic elite junior tennis players. Sports Medicine - Open, 6 (1). ISSN 2199-1170

Cant, Olivia, Kovalchik, Stephanie, Cross, Rod and Reid, Machar (2019) Validation of ball spin estimates in tennis from multi-camera tracking data. Journal of Sports Sciences, 38 (3). pp. 296-303. ISSN 0264-0414

Pedisic, Zeljko ORCID: 0000-0003-2886-3556, Shrestha, Nipun ORCID: 0000-0003-3542-8130, Kovalchik, Stephanie, Stamatakis, E, Liangruenrom, Nucharapon, Grgic, Jozo ORCID: 0000-0002-6929-2844, Titze, S, Biddle, Stuart, Bauman, Adrian E and Oja, P (2019) Is running associated with a lower risk of all-cause, cardiovascular and cancer mortality, and is the more the better? A systematic review and meta-analysis. British Journal of Sports Medicine. ISSN 0306-3674

Giles, Brandon, Kovalchik, Stephanie and Reid, Machar (2019) A machine learning approach for automatic detection and classification of changes of direction from player tracking data in professional tennis. Journal of Sports Sciences, 38 (1). pp. 106-113. ISSN 0264-0414

McIntosh, Sam ORCID: 0000-0002-7673-4145, Kovalchik, Stephanie and Robertson, Samuel ORCID: 0000-0002-8330-0011 (2019) Comparing subjective and objective evaluations of player performance in Australian Rules football. PLOS ONE, 14 (8). ISSN 1932-6203

Levy, Sidney M, Reid, Machar, Montgomery, Anne-Marie, Botterill, Elissa, Kovalchik, Stephanie, Omizzolo, Melanie, Malara, Frank, Wood, Timothy O, Hoy, Gregory A and Rotstein, Andrew H (2019) Do magnetic resonance imaging abnormalities of the non-dominant wrist correlate with ulnar-sided wrist pain in elite tennis players? Skeletal Radiology, 49. pp. 407-415. ISSN 0364-2348

Krause, Lyndon, Farrow, Damian ORCID: 0000-0002-5020-7910, Pinder, R, Buszard, Tim ORCID: 0000-0002-2987-1075, Kovalchik, Stephanie and Reid, Machar (2019) Enhancing skill transfer in tennis using representative learning design. Journal of Sports Sciences. ISSN 0264-0414

McIntosh, Sam, Kovalchik, Stephanie and Robertson, Samuel ORCID: 0000-0002-8330-0011 (2019) Multifactorial Benchmarking of Longitudinal Player Performance in the Australian Football League. Frontiers in Psychology, 10. ISSN 1664-1078

Kovalchik, Stephanie and Reid, Machar (2019) The game insight group: a model for academic-industry partnerships for sports statistics innovation. Quality Engineering, 31 (1). pp. 23-38. ISSN 0898-2112

Gescheit, Danielle T, Cormack, Stuart J, Duffield, Rob, Kovalchik, Stephanie, Wood, Tim O, Omizzolo, Melanie and Reid, Machar (2019) A multi-year injury epidemiology analysis of an elite national junior tennis program. Journal of Science and Medicine in Sport, 22 (1). pp. 11-15. ISSN 1440-2440

Kovalchik, Stephanie and Reid, Machar (2019) A calibration method with dynamic updates for within-match forecasting of wins in tennis. International Journal of Forecasting, 35 (2). pp. 756-766. ISSN 0169-2070

Kovalchik, Stephanie (2018) Why the tennis “serve clock” may be a waste of time. Significance, 15 (4). pp. 36-39. ISSN 1740-9705

Katki, HA, Kovalchik, Stephanie, Petito, LC, Cheung, LC, Jacobs, E, Jemal, A, Berg, CD and Chaturvedi, AK (2018) Implications of nine risk prediction models for selecting ever-smokers for computed tomography lung cancer screening. Annals of Internal Medicine, 169 (1). pp. 10-19. ISSN 0003-4819

McIntosh, Sam, Kovalchik, Stephanie and Robertson, Samuel ORCID: 0000-0002-8330-0011 (2018) Examination of player role in the Australian Football League using match performance data. International Journal of Performance Analysis in Sport, 18 (3). 451 - 462. ISSN 2474-8668

Smith, MT, Reid, Machar, Kovalchik, Stephanie, Woods, Tim and Duffield, Rob (2018) Heat stress incidence and matchplay characteristics in Women's Grand Slam Tennis. Journal of Science and Medicine in Sport, 21 (7). pp. 666-670. ISSN 1440-2440

Kovalchik, Stephanie, Martino, SC, Collins, RL, Shadel, WG, D’Amico, EJ and Becker, Kirsten (2018) Scaled Inverse Probability Weighting: A Method to Assess Potential Bias Due to Event Nonreporting in Ecological Momentary Assessment Studies. Journal of Educational and Behavioral Statistics, 43 (3). pp. 354-381. ISSN 1076-9986

Smith, Matthew, Reid, Machar, Kovalchik, Stephanie, Woods, Tim and Duffield, Rob (2018) Heat stress incident prevalence and tennis matchplay performance at the Australian Open. Journal of Science and Medicine in Sport, 21 (5). pp. 467-472. ISSN 1440-2440

Haycraft, Jade Alexandra Ziems ORCID: 0000-0002-2745-2969, Kovalchik, Stephanie, Pyne, David ORCID: 0000-0003-1555-5079, Larkin, Paul ORCID: 0000-0002-0493-4148 and Robertson, Samuel ORCID: 0000-0002-8330-0011 (2018) The influence of age-policy changes on the relative age effect across the Australian Rules football talent pathway. Journal of Science and Medicine in Sport. ISSN 1440-2440

Kovalchik, Stephanie and Ingram, Martin (2018) Estimating the duration of professional tennis matches for varying formats. Journal of Quantitative Analysis in Sports, 14 (1). pp. 13-23. ISSN 2194-6388

Reid, Machar, Cormack, SJ, Duffield, Rob, Kovalchik, Stephanie, Crespo, M, Pluim, B and Gescheit, DT (2018) Improving the reporting of tennis injuries: The use of workload data as the denominator? British Journal of Sports Medicine. ISSN 0306-3674 (In Press)

Kovalchik, Stephanie and Reid, Machar (2018) A shot taxonomy in the era of tracking data in professional tennis. Journal of Sports Sciences, 36 (18). pp. 2096-2104. ISSN 0264-0414

McIntosh, Sam, Kovalchik, Stephanie and Robertson, Samuel ORCID: 0000-0002-8330-0011 (2018) Validation of the Australian Football League Player Ratings. International journal of Sports Science and Coaching. ISSN 1747-9541

Haycraft, Jade Alexandra Ziems ORCID: 0000-0002-2745-2969, Kovalchik, Stephanie, Pyne, David and Robertson, Samuel ORCID: 0000-0002-8330-0011 (2018) Relationships between physical testing and match activity profiles across the Australian Football League participation pathway. International Journal of Sports Physiology and Performance. ISSN 1555-0265

Haycraft, Jade Alexandra Ziems ORCID: 0000-0002-2745-2969, Kovalchik, Stephanie, Pyne, David ORCID: 0000-0003-1555-5079 and Robertson, Samuel ORCID: 0000-0002-8330-0011 (2017) Physical characteristics of players within the Australian Football League participation pathways: a systematic review. Sports Medicine - Open, 3 (1). ISSN 2198-9761

Kovalchik, Stephanie, Sackmann, Jeff and Reid, Machar (2017) Player, official or machine?: uses of the challenge system in professional tennis. International Journal of Performance Analysis in Sport, 17 (6). pp. 961-969. ISSN 2474-8668

Kovalchik, Stephanie and Reid, Machar (2017) Comparing Matchplay Characteristics and Physical Demands of Junior and Professional Tennis Athletes in the Era of Big Data. Journal of Sports Science and Medicine, 16. pp. 489-497. ISSN 1303-2968

Buszard, Tim ORCID: 0000-0002-2987-1075, Reid, Machar, Krause, Lyndon, Kovalchik, Stephanie and Farrow, Damian ORCID: 0000-0002-5020-7910 (2017) Quantifying Contextual Interference and Its Effect on Skill Transfer in Skilled Youth Tennis Players. Frontiers in Psychology, 8. ISSN 1664-1078

Gescheit, DT, Cormack, SJ, Duffield, Rob, Kovalchik, Stephanie, Wood, Tim O, Omizzolo, Melanie and Reid, Machar (2017) Injury epidemiology of tennis players at the 2011-2016 Australian Open Grand Slam. British Journal of Sports Medicine, 51 (17). pp. 1289-1294. ISSN 0306-3674

Collins, RL, Martino, SC, Kovalchik, Stephanie, D'Amico, EJ, Shadel, WG, Becker, Kirsten and Tolpadi, A (2017) Exposure to Alcohol Advertising and Adolescents' Drinking Beliefs: Role of Message Interpretation. Health Psychology, 36 (9). pp. 890-897. ISSN 0278-6133

Kovalchik, Stephanie and Albert, J (2017) A multilevel Bayesian approach for modeling the time-to-serve in professional tennis. Journal of Quantitative Analysis in Sports, 13 (2). pp. 49-62. ISSN 2194-6388

D'Amico, EJ, Martino, SC, Collins, RL, Shadel, WG, Tolpadi, A, Kovalchik, Stephanie and Becker, Kirsten (2017) Factors associated with younger adolescents' exposure to online alcohol advertising. Psychology of Addictive Behaviors, 31 (2). 212 - 219. ISSN 0893-164X

Kovalchik, Stephanie, Bane, Michael and Reid, Machar (2017) Getting to the top: an analysis of 25 years of career rankings trajectories for professional women’s tennis. Journal of Sports Sciences, 35 (19). 1904 - 1910. ISSN 0264-0414

Farrow, Damian ORCID: 0000-0002-5020-7910, Reid, Machar, Buszard, Tim ORCID: 0000-0002-2987-1075 and Kovalchik, Stephanie (2017) Charting the development of sport expertise: challenges and opportunities. International Review of Sport and Exercise Psychology. ISSN 1750-984X

Kovalchik, Stephanie (2016) Searching for the GOAT of tennis win prediction. Journal of Quantitative Analysis in Sports, 12 (3). 127 - 138. ISSN 1559-0410

Pedersen, Eric R, Tucker, Joan S and Kovalchik, Stephanie (2016) Facilitators and Barriers of Drop-In Center Use Among Homeless Youth. Journal of Adolescent Health, 59 (2). pp. 144-153. ISSN 1054-139X

Katki, HA, Kovalchik, Stephanie, Berg, CD, Cheung, LC and Chaturvedi, AK (2016) Development and validation of risk models to select ever-smokers for ct lung cancer screening. JAMA: Journal of the American Medical Association, 315 (21). 2300 - 2311. ISSN 1538-3598

Collins, RL, Martino, SC, Kovalchik, Stephanie, Becker, Kirsten, Shadel, WG and D’Amico, EJ (2016) Alcohol Advertising Exposure Among Middle School-Age Youth: An Assessment Across All Media and Venues. Journal of Studies on Alcohol and Drugs, 77 (3). pp. 384-392. ISSN 1937-1888

Kovalchik, Stephanie, Herberman, E, Mugg, K and Jackson, BA (2016) Developing Outcome Measures for Criminal Justice Information Sharing: a Study of a Multi-Jurisdictional Officer Notification System for Policing Sex Offenders in Southern California. American Journal of Criminal Justice. ISSN 1066-2316

Kovalchik, Stephanie (2016) Is there a Pythagorean theorem for winning in tennis? Journal of Quantitative Analysis in Sports, 12 (1). 43 - 49. ISSN 2194-6388

Martino, SC, Kovalchik, Stephanie, Collins, RL, Becker, Kirsten, Shadel, WG and D'Amico, EJ (2016) Ecological Momentary Assessment of the Association Between Exposure to Alcohol Advertising and Early Adolescents' Beliefs About Alcohol. Journal of Adolescent Health, 58 (1). 85 - 91. ISSN 1054-139X

Friedman, Esther M, Weden, Margaret M, Shih, Regina A, Kovalchik, Stephanie, Singh, Reema and Escarce, Jose (2015) Functioning, Forgetting, or Failing Health: Which Factors Are Associated With a Community-Based Move Among Older Adults? The Journals of Gerontology Series B: Psychological Sciences and Social Sciences. ISSN 1079-5014

Kovalchik, Stephanie, Slaughter, Mary E, Miles, Jeremy, Friedman, Esther M and Shih, Regina A (2015) Neighbourhood racial/ethnic composition and segregation and trajectories of cognitive decline among US older adults. Journal of Epidemiology and Community Health, 69 (10). 978 - 984. ISSN 0143-005X

Kovalchik, Stephanie (2015) Grand Slams are short-changing women's tennis. Significance, 12 (5). 12 - 17. ISSN 1740-9705

Ridgeway, G, Kovalchik, Stephanie, Griffin, BA and Kabeto, MU (2015) Propensity Score Analysis with Survey Weighted Data. Journal of Causal Inference, 3 (2). 237 - 249. ISSN 2193-3677

Gu, Fangyi, Wacholder, Sholom, Kovalchik, Stephanie, Panagiotou, Orestis A, Reyes-Guzman, Carolyn, Freedman, Neal D, De Matteis, Sara, Consonni, Dario, Bertazzi, Pier Alberto, Bergen, Andrew W, Landi, Maria Teresa and Caporaso, Neil E (2014) Time to Smoke First Morning Cigarette and Lung Cancer in a Case-Control Study. Journal of the National Cancer Institute, 106 (6). ISSN 0027-8874

Kovalchik, Stephanie (2014) The older they rise the younger they fall: age and performance trends in men's professional tennis from 1991 to 2012. Journal of Quantitative Analysis in Sports, 10 (2). pp. 99-107. ISSN 2194-6388

Turesson, Ingemar, Kovalchik, Stephanie, Pfeiffer, Ruth M, Kristinsson, Sigurdur Y, Goldin, Lynn R, Drayson, Mark T and Landgren, Ola (2014) Monoclonal gammopathy of undetermined significance and risk of lymphoid and myeloid malignancies: 728 cases followed up to 30 years in Sweden. Blood, 123 (3). pp. 338-345. ISSN 0006-4971

Kovalchik, Stephanie, De Matteis, Sara, Landi, Maria Teresa, Caporaso, Neil E, Varadhan, Ravi, Consonni, Dario, Bergen, Andrew W, Katki, HA and Wacholder, Sholom (2013) A regression model for risk difference estimation in population-based case-control studies clarifies gender differences in lung cancer risk of smokers and never smokers. BMC Medical Research Methodology, 13. ISSN 1471-2288

Kovalchik, Stephanie and Varadhan, Ravi (2013) Fitting Additive Binomial Regression Models with the R Package blm. Journal of Statistical Software, 54 (1). ISSN 1548-7660

Kovalchik, Stephanie, Tammemagi, Martin, Berg, Christine D, Caporaso, Neil E, Riley, Tom L, Korch, Mary, Silvestri, Gerard, Chaturvedi, Anil and Katki, Hormuzd (2013) Targeting of Low-Dose CT Screening According to the Risk of Lung-Cancer Death. The New England Journal of Medicine, 369 (3). pp. 245-254. ISSN 0028-4793

Kovalchik, Stephanie, Varadhan, Ravi and Weiss, Carlos O (2013) Assessing heterogeneity of treatment effect in a clinical trial with the proportional interactions model. Statistics in Medicine, 32 (28). pp. 4906-4923. ISSN 0277-6715

Kovalchik, Stephanie and Pfeiffer, Ruth M (2013) Population-based absolute risk estimation with survey data. Lifetime Data Analysis, 20. pp. 252-275. ISSN 1380-7870

Kovalchik, Stephanie (2013) Aggregate-data estimation of an individual patient data linear random effects meta-analysis with a patient covariate-treatment interaction term. Biostatistics, 14 (2). pp. 273-283. ISSN 1465-4644

Kovalchik, Stephanie and Stefani, Ray (2013) Longitudinal analyses of Olympic athletics and swimming events find no gender gap in performance improvement. Journal of Quantitative Analysis in Sports, 9 (1). pp. 15-24. ISSN 2194-6388

Kovalchik, Stephanie, Varadhan, Ravi, Fetterman, Barbara, Poitras, Nancy E, Wacholder, Sholom and Katki, HA (2013) A general binomial regression model to estimate standardized risk differences from binary response data. Statistics in Medicine, 32 (5). pp. 808-821. ISSN 0277-6715

Kovalchik, Stephanie, Ronckers, Cecile M, Veiga, Lene HS, Sigurdson, Alice J, Inskip, Peter D, de Vathaire, Florent, Sklar, Charles A, Donaldson, Sarah S, Anderson, Harald, Bhatti, Parveen, Hammond, Sue, Leisenring, Wendy M, Mertens, Ann C, Smith, Susan A, Stovall, Marilyn, Tucker, Margaret A, Weathers, Rita E, Robison, Leslie L and Pfeiffer, Ruth M (2013) Absolute Risk Prediction of Second Primary Thyroid Cancer Among 5-Year Survivors of Childhood Cancer. Journal of Clinical Oncology, 31 (1). pp. 119-127. ISSN 0732-183X

Kovalchik, Stephanie (2012) Survey finds that most meta-analysts do not attempt to collect individual patient data. Journal of Clinical Epidemiology, 65 (12). pp. 1296-1299. ISSN 0895-4356

Kovalchik, Stephanie and Cumberland, William G (2012) Using aggregate data to estimate the standard error of a treatment-covariate interaction in an individual patient data meta-analysis. Biometrical Journal, 54 (3). pp. 370-384. ISSN 0323-3847

Kovalchik, Stephanie (2012) Mother's CD4+ Count Moderates the Risk Associated with Higher Parity for Late Postnatal HIV-Free Survival of Breastfed Children: An Individual Patient Data Meta-Analysis of Randomized Controlled Trials. AIDS and Behavior, 16. pp. 79-85. ISSN 1090-7165

Kovalchik, Stephanie, Charles-Schoeman, Christina, Khanna, Dinesh and Paulus, Harold E (2012) An association study of disease activity score components and patient satisfaction with overall health for early RA patients on non-biologic DMARD therapy. Rheumatology International, 32. pp. 2725-2729. ISSN 0172-8172

Kovalchik, Stephanie and Allman, John (2006) Measuring reversal learning: introducing the Variable Iowa Gambling Task in a study of young and old normals. Cognition and Emotion, 20 (5). pp. 714-728. ISSN 0269-9931