ult ural ▁values . ▁ ▁One ▁tw in - stud y ▁has ▁found ▁evidence ▁for ▁the ▁her it ability ▁of ▁both ▁factors ▁of ▁S IS , ▁but ▁research ▁suggests ▁that ▁S ES ▁vari ability ▁is ▁down ▁to ▁environmental ▁factors . ▁ ▁The ▁majority ▁of ▁studies ▁investig ating ▁sexual ▁function ing ▁use ▁heter osex ual ▁participants ▁exclus ively , ▁unfortunately ▁limit ing ▁the ▁general iz ability ▁of ▁the ▁dual ▁control ▁model . ▁ ▁To ▁date , ▁one ▁study ▁comparing ▁heter osex ual ▁and ▁hom osex ual ▁males ▁found ▁that ▁hom osex ual ▁men ▁had ▁similar ▁scores ▁for ▁S IS 2 , ▁but ▁scored ▁significantly ▁higher ▁for ▁S IS 1 ▁and ▁S ES . ▁Stra ight , ▁les bian , ▁and ▁bis ex ual ▁women ' s ▁scores ▁on ▁the ▁S ES II - W ▁found ▁that ▁bis ex ual ▁women ▁scored ▁higher ▁on ▁S ES ▁than ▁the ▁other ▁groups ▁and ▁straight ▁women ▁scored ▁higher ▁on ▁the ▁sexual ▁in hib ition ▁factor ▁than ▁both ▁the ▁les bian ▁and ▁bis ex ual ▁women . ▁More ▁studies ▁need ▁to ▁be ▁done ▁using ▁the ▁dual ▁control ▁model ▁to ▁gain ▁a ▁more ▁broad ▁view ▁of ▁sexual ▁orientation ▁and ▁sexual ▁ar ous ability . ▁ ▁Ass ess ment ▁of ▁gen ital ▁ar ous al ▁ ▁One ▁way ▁to ▁study ▁sexual ▁ar ous al ▁in ▁women ▁and ▁men ▁is ▁to ▁conduct ▁sexual ▁psych oph ys i ological ▁research ▁in ▁a ▁labor atory ▁setting . ▁This ▁field ▁of ▁research ▁looks ▁at ▁physical ▁sexual ▁responses ▁in ▁addition ▁to ▁mental ▁and ▁emot ional ▁experiences