{ "item_title" : "Differential Item Functioning", "item_author" : [" Steven J. Osterlind", "Howard T. Everson "], "item_description" : "This new edition presents an up-to-date description of differential item functioning. It describes varying procedures for addressing DIF in practical testing contexts. The authors present useful examples and studies of DIF that readers may employ as a guide in their own work. They also cover major statistical packages that can be employed in DIF analysis (e.g., SPSS, SAS, M+, Minitab, and Systat).This text is ideal for the measurement professional or advanced student who deals with educational or psychological assessment.", "item_img_path" : "https://covers2.booksamillion.com/covers/bam/1/41/295/494/1412954940_b.jpg", "price_data" : { "retail_price" : "55.00", "online_price" : "55.00", "our_price" : "55.00", "club_price" : "55.00", "savings_pct" : "0", "savings_amt" : "0.00", "club_savings_pct" : "0", "club_savings_amt" : "0.00", "discount_pct" : "10", "store_price" : "" } }

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