What type of correlation has been found between Intelligence and Creativity?

Concept: Correlation studies measure the statistical relationship between two variables using a correlation coefficient (r), ranging from -1 (perfect negative relationship) through 0 (no relationship) to +1 (perfect positive relationship). In educational psychology, intelligence (general cognitive ability, measured via IQ) and creativity (divergent, original thinking) are treated as related but distinct constructs, and researchers have empirically tested how the two relate.

Application: Meta-analytic research (e.g. Kim, 2005, pooling several decades of studies) reports a modest but reliably positive correlation between measured intelligence and creativity: on average, people who score higher on intelligence measures also tend to score somewhat higher on creativity measures. Intelligence functions as one enabling factor for creative performance rather than a guarantee of it. A separate 'threshold' hypothesis proposes that this positive link is clearer at low-to-moderate intelligence levels and weakens once intelligence rises well above an average range; however, Kim's (2005) meta-analysis found limited support for a sharp threshold effect, and the pooled, aggregate finding across the general population remains a positive correlation.

Cross-check — why the other relationships are not what the research shows:

• An inverse (opposite-direction) relationship is not what the bulk of research on this pair reports — studies do not, in aggregate, find higher intelligence associated with lower creativity.

• A total absence of relationship is also not what the data shows — pooled correlation coefficients across studies are small but statistically distinguishable from zero, so treating the two as fully unrelated overstates the independence the data actually supports.

• Because the aggregate, pooled finding across the many studies on this pair converges on one specific direction — even though individual study estimates can vary somewhat — an option bundling every possible direction together cannot match that single converged finding.

Result: research on intelligence and creativity has, in aggregate, found a positive — though modest — correlation between the two.