ABSTRACT Lestyanada, Delia (2023). Investigating the Assessment Type in the English Textbook Entitled “English for SMK 3”. An Undergraduate Thesis. English Education Department, Faculty of Education and Teachers Training, Universitas Tidar. Advisor I Dr. Sri Sarwanti, M.Hum., Advisor II Boris Ramadhika, M.Pd. Keywords: language assessment, textbook, English task In the English te…