Is 'Many are based on industry-recognized models such as the Constructive Cost Model (COCOMO), PRICE, Putnam, and Jensen.' in direct disagreement with the statement 'Many are said to be based on models such as the Constructive Cost Model.'
Many are based on industry-recognized models such as the Constructive Cost Model (COCOMO), PRICE, Putnam, and Jensen.###Many are said to be based on models such as the Constructive Cost Model.