Israel’s Achievements in Mathematics in the Last International Examinations: Part I: The TIMSS 2011

After more than two decades of deterioration in the Israeli TIMSS results in mathematics, Israel scored number 7 among all countries participating in the world. As the probability of such a sudden, huge improvement seems negligible, this article sheds a new light on the Israel “achievements”. It shows that the students participating were not a sample according to statistical definitions and in additions ? two sub-populations with the lowest Israeli achievements did not participate in this international examination.