public function dataProviderForCohensQ() { return [[0.1, 0.1, 0], [0.5, 0.5, 0], [0.1, 0.2, 0.102], [0.2, 0.1, 0.102], [0.1, 0.5, 0.449], [0.1, 0.9, 1.372], [0.1, 0, 0.1], [0.1, -0.1, 0.201]]; }