It was India specific. Growth of rape cases, population, internet users were taken into consideration.
Sample was large enough (1971-2008).
Conclusion: No such relation found. (2/n)
Researchers concluded "[i]t seems that the much-hyped causal relationship between pornography and sexual behavior is an exaggeration by politicians and mass media."
Ferguson and Hartley are researching on this topic for almost a decade.
Their latest 2020 study (journals.sagepub.com/doi/abs/10.117…) concluded that there is too little evidence to correlate sexual violence with pornography. (4/n)