+ wishlist Educational Research: Quantitative, Qualitative, and Mixed Approaches [9781544337838] Add to Cart The item has been added Author: R. Burke Johnson Larry Christensen Educational Research: Quantitative, Qualitative, and Mixed Approaches [9781544337838] Buy More - Save More. Below are the available bulk discount rates for each individual item when you purchase a certain amount Quantity Price Savings 25 - 49 3% 50 - 99 4% 100+ 5% List Price As Low as $235.00 Format: Hardcover