Default sorting Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low View: 12 24 All Quick View Sale! Quick View ComputingObserving the User Experience: A Practitioner’s Guide to User Research 2nd Edition, ISBN-13: 978-0123848697 $50.00 Original price was: $50.00.$13.34Current price is: $13.34. Add to cart