Investigation of Periodicity in Crisis Intervention Calls over an Eight-Year Span

Abstract

Over an 8-yr. period 36,268 calls were received by the Crisis Intervention Center of Fort Lauderdale, Florida. The purpose of this study was to investigate the relationship between lunar phases and crisis calls. Pearson correlations were performed but no significant values were obtained. Exploratory Fourier analyses showed trends in the data not related to lunar phases. Findings appear consistent with those of other investigations of lunar influence on human behavior.