The Teacher Education and Development Study in Mathematics (TEDS-M) : Policy, Practice, and Readiness to Teach Primary and Secondary Mathematics in 17 Countries. Technical Report / by Bankov, Kiril, Becker, Alena, Brese, Falk, Byun, Soo-Yong, Carstens, Ralph, Dumais, Jean, Ingvarson, Lawrence, Lu, Yang, Maeda, Yukiko, Malak-Minkiewicz, Barbara, Meinck, Sabine, Peck, Raymond E, Berzina-Pitcher, Inese, Reckase, Marc, Rodr̕guez, Michael, Rowley, Glenn, Schwille, John, Senk, Sharon L., Tatto, Maria Teresa, Yu, Alana