Abstract
ABSTRACT The present study investigated the meta-analytic association between dispositional optimism and telomere length. The meta-analysis included 12 samples and a total of 13,439 participants. A small weighted meta-analytic effect size, r =.06, p =.02, indicated that across samples greater optimism was associated with longer telomeres. A meta-analytic moderator analysis indicated that samples that included participants in stressful circumstances had a stronger association between optimism and telomere length, Q(1) = 7.47, p =.006. The results point to the need for research to identify the connections between optimism, stress, and telomere length.
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