The critical mass theory of suicide.
It was reported in 1987 that nations with higher suicide rates in 1970 experienced greater increases by 1980. The present study did not replicate this phenomenon for the period of 1975 to 1985 using a sample of 32 nations with available data.
Lester
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Psychology Program, Richard Stockton State College, Pomona, NJ 08240-9988.
D003431:Cross-Cultural Comparison; D006801:Humans; D015233:Models, Statistical; D015203:Reproducibility of Results; D013405:Suicide / Q000706:statistics & numerical data / Q000639:trends*