A new Reboot paper, Teaching Critical Thinking in K-12: When There’s A Will But Not Always A Way, examines the U.S. Department of Education’s National Assessment of Educational Progress (NAEP) and found that the teaching of critical thinking skills is inconsistent across states and tends to drop as students get older. While 86 percent of 4th grade teachers said they put “quite a bit” or “a lot of emphasis” on deductive reasoning, that figure fell to only 39 percent of teachers in 8th grade. Deductive reasoning is one of the key skills in critical thinking, as it requires students to take a logical approach to turning general ideas into specific conclusions.