{ "key_pair_value_system": true, "answer_rating_count": "", "question_feedback_html": { "html_star": "", "html_star_feedback": "" }, "answer_average_rating_value": "", "answer_date_js": "2024-06-28T09:16:13-04:00", "answer_date": "2024-06-28 09:16:13", "is_docs_available": null, "is_excel_available": null, "is_pdf_available": null, "count_file_available": 0, "main_page": "student_question_view", "question_id": "4281177", "url": "\/study-help\/questions\/an-observational-study-compares-injuries-eg-frequency-and-severity-assessed-4281177", "question_creation_date_js": "2024-06-28T09:16:13-04:00", "question_creation_date": "Jun 28, 2024 09:16 AM", "meta_title": "[Solved] An observational study compares injuries | SolutionInn", "meta_description": "Answer of - An observational study compares injuries (e.g. frequency and severity assessed using a questionnaire that yields a num | SolutionInn", "meta_keywords": "observational,study,compares,injuries,frequency,severity,assessed,questionnaire,yields,numeric,score,students", "question_title_h1": "An observational study compares injuries (e.g. frequency and severity assessed using a questionnaire that yields a numeric score) between students using High Intensity Interval Training", "question_title": "An observational study compares injuries (e.g. frequency and severity assessed using a", "question_title_for_js_snippet": "An observational study compares injuries (e g frequency and severity assessed using a questionnaire that yields a numeric score) between students using High Intensity Interval Training (HIIT) and students following a traditional strength training regimen for one year The research team recognizes that student's with a more extensive prior injury history may be more likely to have injuries during the study period and nothing in your study design assures that such students are equally distributed between the HIIT and traditional groups What can you as the statistician do to get the most accurate estimate of the difference in mean injury scores during the study between the two groups independent of prior injury history a Include an interaction term for student's prior injury history score by regimen (HIIT vs traditional) in a multiple linear regression to assess effect modification b Include the student's prior injury history score in a multiple linear regression with regimen (HIIT vs traditional) to control for effect modification c Exclude student's with prior injury history from the analysis d Include the student's prior injury history score in a multiple linear regression with regimen (HIIT vs traditional) to control for confounding", "question_description": "An observational study compares injuries (e.g. frequency and severity assessed using a questionnaire that yields a numeric score) between students using High Intensity Interval Training (HIIT) and students following a traditional strength training regimen for one year. The research team recognizes that student's with a more extensive prior injury history may be more likely to have injuries during the study period and nothing in your study design assures that such students are equally distributed between the HIIT and traditional groups. What can you as the statistician do to get the most accurate estimate of the difference in mean injury scores during the study between the two groups independent of prior injury history? a. Include an interaction term for student's prior injury history score by regimen (HIIT vs. traditional) in a multiple linear regression to assess effect modification b. Include the student's prior injury history score in a multiple linear regression with regimen (HIIT vs. traditional) to control for effect modification c. Exclude student's with prior injury history from the analysis d. Include the student's prior injury history score in a multiple linear regression with regimen (HIIT vs. traditional) to control for confounding", "transcribed_text": "", "related_book": { "title": "Core Macroeconomics", "isbn": "978-1429278478, 1429278471, 978-1429278492, 1429278498, 1464191433, 978-1464191435", "edition": "3rd edition", "authors": "Eric Chiang", "cover_image": "https:\/\/dsd5zvtm8ll6.cloudfront.net\/si.question.images\/book_images\/648.jpg", "uri": "\/textbooks\/core-macroeconomics-3rd-edition-648", "see_more_uri": "" }, "free_related_book": { "isbn": "0486650774", "uri": "\/textbooks\/an-introduction-to-matrices-sets-and-groups-for-science-students-1st-edition-978-0486650777-304925", "name": "An Introduction To Matrices Sets And Groups For Science Students", "edition": "1st Edition" }, "question_posted": "2024-06-28 09:16:13", "see_more_questions_link": "\/study-help\/questions\/sciences-chemistry-2023-March-09", "step_by_step_answer": "The Answer is in the image, click to view ...", "students_also_viewed": [ { "url": "\/wyalusing-chemicals-uses-a-joint-process-to-produce-mj4-a", "description": "Wyalusing Chemicals uses a joint process to produce MJ-4, a chemical used in the manufacture of paints and varnishes; HD-10, a chemical used in household cleaning products; and FT-5, a by-product...", "stars": 3 }, { "url": "\/study-help\/business-statistics-in-practice\/a-identify-a-nonparametric-procedure-you-could-use-to-assess-1983560", "description": "=+a) Identify a nonparametric procedure you could use to assess if salary offers differ between men and women and check to see whether the conditions allow for the use of that procedure.", "stars": 3 }, { "url": "\/flanders-inc-has-a-700000-8-percent-bond-issue-that", "description": "Flanders, Inc., has a $700,000, 8 percent bond issue that was issued a number of years ago at face value. 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