▁have ▁very ▁low ▁reverse ▁leak age ▁curr ents . ▁ ▁References ▁ ▁Category : Trans istor ▁types <0x0A> </s> ▁Char ol ▁Sh akes haft ▁is ▁an ▁educational ▁research er ▁noted ▁for ▁her ▁studies ▁on ▁sexual ▁ab use ▁of ▁students ▁by ▁school ▁staff . ▁She ▁co - author ed ▁a ▁four - year ▁study ▁on ▁sexual ▁ab use ▁at ▁school , ▁which ▁first ▁appeared ▁in ▁March ▁ 1 9 9 5 , ▁in ▁the ▁educational ▁journal ▁Ph i ▁D elta ▁K app an . ▁Sh akes haft ▁was ▁chair ▁of ▁the ▁Edu c ational ▁Le ad ership ▁Department ▁at ▁Virginia ▁Commonwealth ▁University ▁until ▁ 2 0 1 7 . ▁ ▁Sh akes haft ▁was ▁commission ed ▁by ▁the ▁Department ▁of ▁Education ▁to ▁review ▁the ▁available ▁literature ▁on ▁sexual ▁mis con duct ▁with ▁students ▁by ▁public ▁school ▁employees , ▁and ▁published ▁her ▁find ings ▁in ▁ 2 0 0 4 . ▁ ▁Research ▁In ▁ 1 9 9 4 , ▁Sh akes haft ▁published ▁a ▁report ▁based ▁on ▁a ▁four - year ▁study ▁of ▁ 2 2 5 ▁sexual ▁ab use ▁compla ints — 1 8 4 ▁in ▁New ▁York ▁State ▁and ▁ 4 1 ▁in ▁other ▁states — ag ain st ▁teachers ▁made ▁to ▁federal ▁authorities ▁from ▁ 1 9 9 0 ▁to ▁ 1 9 9 4 . ▁She ▁found ▁that ▁" All ▁of ▁the ▁accused ▁admitted ▁sexual ▁ab use ▁of ▁a ▁student , ▁but ▁none ▁of ▁the ▁ab users ▁was ▁reported ▁to ▁the ▁authorities , ▁and ▁only ▁ 1 ▁percent ▁lost ▁their