Additionally, Stocker et al. (1990) found that same gender sibling dyads were rated as less controlling and less competitive while being viewed during a videotaped session. Finally, according to correlational research of a large sample of adolescent-sibling dyads, same-sex sibling dyads were more likely to enjoy and join in the same behaviors (Rowe et al., 1992). Dunn et al. (1994) found that during early adolescence boys tend to report less warmth and intimacy with their younger sisters than do early adolescent girls. It should be noted, however, that one recent study found no gender effects when researching sibling relationships (Dunn, Deater-Deckard, Pickering, Golding, & the ALSPAC Study Team, 1999).