Zillmann was unable to demonstrate any increase in misogynist or violent attitudes and desires, although he did try . " and stated of the sponsor of the report " Having noted the varied interpretability of Zillmann and Bryant's findings, the [ USA ] Surgeon-General's report said that the only reliable findings of the research that supposedly proved men were more callous towards women after looking at pornography was this : the group that saw pornography estimated more accurately the prevalence of sexual practices in society.