{"product_id":"scale-development-robert-f-devellis-9781544379340","title":"Scale Development","description":"Scale Development: Theory and Applications, by Robert F. DeVellis and new co-author Carolyn T. Thorpe, demystifies measurement by emphasizing a logical rather than strictly mathematical understanding of concepts. The Fifth Edition includes a new chapter that lays out the key concepts that distinguish indices from s","brand":"SAGE Publications Inc","offers":[{"title":"Default Title","offer_id":51171226452256,"sku":"9781544379340","price":67.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/2812\/7264\/files\/9781544379340_1500224.jpg?v=1793722615","url":"https:\/\/bookcorner.com\/products\/scale-development-robert-f-devellis-9781544379340","provider":"The Book Corner","version":"1.0","type":"link"}