Want to know:
a researcher identified 100 men over forty who were not exercising and another 100 men over forty with similar medical histories who were exercising regularly. she followed the men for several years to see if there was any difference between the groups in the rate of heart attacks. this is a(n)...a) prospective studyb) surveyc) matched pairs experimentd) randomized experimente) retrospective study
Get a detailed, AI-powered explanation for this question and thousands more on StudyFetch.
Get the Answer for FreeHow StudyFetch Helps You Master This Topic
AI-Powered Answers
Get instant, detailed explanations powered by AI that understands your course material.
Deep Understanding
Go beyond surface-level answers with step-by-step breakdowns and examples.
Personalized Learning
Spark.E adapts to your learning style and helps you connect ideas.
Practice & Test
Turn any question into flashcards, quizzes, and practice tests to solidify your knowledge.
Explore More Questions
- Multimedia tends to imply sophistication(and relatively more expense) in both production and presentation than simple text-and-images.
- A mother is concerned because her 18-month-old toddler has 12 teeth. She is wondering if this is normal for a child of this age. Which is the best response by the nurse?-"How many teeth did you have at this age?"-"All 20 deciduous teeth are expected to erupt by age 4 years."-"Normally, by age 2 years, 16 deciduous teeth are expected."-"This is a normal number of teeth for an 18 month old."
- Which of the following leaders adopted a radical economic reform based on "shocktherapy"?