The average, or 50th-percentile, jump for 13- to 14-year-old boys isabout 17 inches, fitness expert Jay Hoffman writes in “Norms for Fitness, Performance and Health.” The 10th to 20th percentiles run from 12.3 to 13.8 inches; 30th to 40th percentile is 15 to 16 inches. Why do broa...
colleagues in their 1978 study of the pernicious dynamics of law enforcement and the press, whereby an “exceedingly limited circle of mutual reciprocities and re-enforcements” advances the collaborative construction by police and journalists of civilian norms and their policeable deviations (Hall et...