Title
How to Sample in Surveys (The Survey Kit, Vol 6),Used
Delivery time: 8-12 business days (International)
How to select and use the most appropriate sampling methods for a survey is the focus of this book. It covers a range of sampling techniques including: simple random sampling, stratified random sampling, systematic sampling, cluster sampling, convenience sampling, snowball sampling,; quota sampling, and focus groups. The book also describes in detail: inclusion and exclusion criteria, the logic in estimating standard errors and sample size determinations, the sources of error in sampling, and how to calculate response rates.
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Shipping & Returns
Shipping
We ship your order within 2–3 business days for USA deliveries and 5–8 business days for international shipments. Once your package has been dispatched from our warehouse, you'll receive an email confirmation with a tracking number, allowing you to track the status of your delivery.
Returns
To facilitate a smooth return process, a Return Authorization (RA) Number is required for all returns. Returns without a valid RA number will be declined and may incur additional fees. You can request an RA number within 15 days of the original delivery date. For more details, please refer to our Return & Refund Policy page.
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Warranty
We provide a 2-year limited warranty, from the date of purchase for all our products.
If you believe you have received a defective product, or are experiencing any problems with your product, please contact us.
This warranty strictly does not cover damages that arose from negligence, misuse, wear and tear, or not in accordance with product instructions (dropping the product, etc.).
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Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
We accept payments with :
Visa, MasterCard, American Express, Paypal, Shopify Payments, Shop Pay and more.