Critical-thinking instruction is predicated on two assumptions: that there are clearly identifiable thinking skills that students can be taught to recognize and apply appropriately, and if recognized and applied, students will become more effective thinkers.(a) if recognized and applied, students(b) if these skills are recognized and applied, that students(c) if students recognize and apply them, that they(d) that if recognized and applied, students(e) that if students recognize and apply these skills, they