Abstract
440 subjects were tested in a microclimate enriched with small negative ions. 225 subjects were tested on Sharav days, whereas 215 tested on regular days served as controls. It was hypothesized: (a) that test performance on Sharav days could be similar to that of the control group due to the ionized climate, and (b) that the improved performance would be different for subjects high or low on neuroticism and extraversion. Results showed that the performance of the Sharav groups was considerably similar to that of their controls. It was further found that on Sharav days subjects high on neuroticism scored worse than controls on non-verbal intelligence, whereas extraverts performed worse on substitution tests. A possible underlying mechanism is discussed.
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Rim, Y. Psychological test performance of different personality types on Sharav days in artificial air ionisation. Int J Biometeorol 21, 337–340 (1977). https://doi.org/10.1007/BF01555194
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DOI: https://doi.org/10.1007/BF01555194