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FedEx
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UPS
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USPS
The choice of carrier is determined by factors such as destination, weight, and delivery timeframe to provide optimal service.
Shipping Rates and Fees
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Free shipping is provided for all orders over $199.
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Orders under $199 will incur a flat-rate shipping fee of $7.99.
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All orders shipped within the United States will be subject to a sales tax charge of 5%.
Estimated Delivery Time
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Shipping Restrictions
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Tracking Your Order
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Eligibility for Returns and Exchanges
We accept returns and exchanges within 30 days from the date your order is delivered. Items must be unused, in the original condition, and accompanied by the original packaging and receipt or proof of purchase.
How to Return or Exchange an Item
To initiate a return or exchange, please follow these steps:
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Contact our customer support at contact@zetlly.com with your order number and reason for return or exchange.
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Our team will respond within 24 hours to provide detailed instructions, including the specific Return Address for your shipment.
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Package your item securely and include all original packaging and proof of purchase.
Return shipments should be sent to: Blanq LLC 1201 South Hope Street Apt 2413, Los Angeles, CA 90015, USA
Return Conditions
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Items must be returned in their original condition, unworn, undamaged, and complete with all original packaging and documentation.
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Items returned without prior authorization or not meeting the above conditions may not qualify for a refund or exchange.
Return Shipping Costs
Customers are responsible for return shipping costs unless the return is due to our error or a defective product. We recommend using a trackable shipping service to ensure your return reaches us safely.
Non-Returnable Items
The following items cannot be returned:
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Digital products (e-books or downloadable content)
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Personalized or customized items
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Gift cards
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Payment Security
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Payment Process and Confirmation
Upon placing an order, your chosen payment method (PayPal or Stripe) will immediately process the transaction. You will receive an automated confirmation email shortly after your payment has been successfully completed, detailing your transaction and order summary.
Please retain this confirmation email for your records and reference in case of any inquiries or disputes.
This workbook was written for students of epidemiology and serves as a supplement to any one of several introductory text books in epidemiology.
Each chapter is divided into an introduction, a series of questions and detailed responses, and a series of Homework questions. At the end of each chapter is a table with a list of selected epidemiology text books with accompanying chapters in those books that the workbook chapter may supplement.The general learning outcomes (LOs) for this workbook are:1. Become familiar with basic concepts and definitions commonly used in epidemiology2. Define a public health problem3. Identify appropriate uses and limitations of data and research design strategies for solving public health problems4. Make relevant inferences from quantitative and qualitative data5. Distinguish between statistical association and cause-effect relationships6. Measure and describe patterns of disease incidence, prevalence, and mortality7. Identify environmental factors and behaviors associated with health-related states or events8. Be familiar with the steps for investigating disease outbreaks9. Identify, calculate, and interpret common indices used in identifying the health status10. Evaluate program effectiveness11. Critically assess epidemiological research12. Be able to communicate health findings Each chapter features:� 10-20 mastery check questions with detailed answers� 5 optional problems� A case study� A multiple choice, short answer quiz.(Answers to the cases and quizzes are provided as part of the online instructor resource package.)Principles of Epidemiology Workbook: Exercises and Activities by Ray M. Merrill and Publisher Jones & Bartlett Learning. ISBN: 9781284177374, 1284177378. The print version of this textbook is ISBN: 9780763786748, 0763786748.
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