Compute correlation from t-value reported in the primary study (see section 12.5.4, Borenstein, 2009; pp. 234).
r_from_t(t, n)
Arguments
t: t-statistic value reported in primary study.
n: Sample size reported in primary study.
Returns
Outputs the correlation coefficient (r).
References
Borenstein (2009). Effect sizes for continuous data. In H. Cooper, L. V. Hedges, & J. C. Valentine (Eds.), The handbook of research synthesis and meta analysis (pp. 279-293). New York: Russell Sage Foundation.