 Underwood and Moore  have found that perceptual, affective, and cognitive perspective taking are positively correlated with prosocial behaviour.
<meaning-changed>  Underwood and Moore  have found that perceptual, affective, and cognitive perspective taking are positively correlated with prosocial behaviour.
 Underwood and Moore (1982), for instance, have found that perceptual, affective, and cognitive perspective taking are positively correlated with prosocial behaviour.