<p>Introduction; Jorge Manzi, María Rosa García, y Sandy Taut.- Is validation a luxury or an indispensable asset for educational evaluation systems?; Sandy Taut and Siugmin Lay.- Section I. VALIDITY OF STUDENT LEARNING ASSESSMENTS.- 1 How to ensure the validity of national appraisal assessments? Priority criteria for Latin America and the Caribbean; María José Ramírez and Gilbert Valverde.- 2 Contemporary practices in the curricular validation of national appraisal assessments in Latin America: a comparative case study of Chile, Mexico and Peru; Gilbert Valverde an María José Ramírez.- 3 Learning Progress Assessment System, SEPA: evidence of its reliability and validity; Andrea Abarzúa and Johana Contreras.- 4 Validation processes of the National Evaluation of Educational Achievements - Aristas: the INEEd experience (Uruguay); Carmen Haretche y Mariano Palamidessi.- 5 Validity and social legitimacy of Simce: the role of evidence and deliberation; Lorena Meckes and María AngélicaMena.- Section II. VALIDITY OF INTERNATIONAL TESTS AND QUESTIONNAIRES.- 6 Comparability of scores: a key component of validity in educational measurement; Jorge González and René Gemmp.- 7 Measurement of factor invariance in large-scale tests; Víctor Pedrero.- 8 Invariance of socioeconomic status scales in international studies; Ernesto Treviño, Andrés Sandoval-Hernández, Daniel Miranda, David Rutkowski and Tyler Matta.- 9 Measurement of attitudes towards gender equality rights in international tests: implications regarding their validity; Juan Carlos Castillo, Daniel Miranda and Angélica Bonilla.- 10 The challenge of adapting PISA for low and middle-low income countries; Catalina Covacevich, Kelly Makowiecki and Tyler Leigh.- 11 Ensuring the validity of international comparisons in the Teaching and Learning International Survey (TALIS); Pablo Fraser and Fabián Barrera-Pedemonte.- Section III. VALIDITY OF EVALUATIONS FOR SELECTION AND CERTIFICATION PURPOSES.- 12 Validity of evaluation systems for selection and certification; Verónica Santelices.- 13 Is the SABER 11<sup>th</sup> test valid as a criterion for admission to Colombian universities?; Julián Mariño, Adriana Molina and Yadira Gómez.- 14 Validity evidence of the University Selection Test (PSU); Jorge Manzi y Diego Carrasco.- 15 Validity of the National Single Examination of Knowledge of Medicine (Eunacom); Beltrán Mena.- Section IV. VALIDITY OF TEACHING AND TEACHER EVALUATIONS.- 16 Teacher evaluation with multiple indicators: conceptual and methodological considerations regarding validity; José Felipe Martínez y María Paz Fernández.- 17 How valid are the results of the specific and pedagogical knowledge tests of the Professional Teacher Development System in Chile?; Edgar Valencia, Martha Kluttig and Beatriz Rodríguez.- 18 Portfolio in the Teacher Evaluation in Chile: collection of validity evidence as part of the instrument construction process; David Torres and Álvaro Zapata.</p>
