Lester D, Shephard R
Psychology Program, Richard Stockton College of New Jersey, Pomona 08240-0195, USA.
Percept Mot Skills. 1998 Aug;87(1):186. doi: 10.2466/pms.1998.87.1.186.
State suicide rates in 1980 varied gradually, rather than abruptly, with longitude, as did homicide rates with latitude.
1980年各州的自杀率随经度逐渐变化,而非突然变化,杀人率则随纬度呈现同样的情况。