hasanalyzedthecasesofseventy-sevenconvertsorex-candidatesforconversion，knowntohim，andtheresultsstrikinglyconfirmtheviewthatsuddenconversionisconnectedwiththepossessionofanactivesubliminalself。Examininghissubjectswithreferencetotheirhypnoticsensibilityandtosuchautomatismsashypnagogichallucinations，oddimpulses，religiousdreamsaboutthetimeoftheirconversion，etc。，hefoundtheserelativelymuchmorefrequentinthegroupofconvertswhosetransformationhadbeen“striking。”“striking“transformationbeingdefinedasachangewhich，thoughnotnecessarilyinstantaneous，seemstothesubjectofittobedistinctlydifferentfromaprocessofgrowth，howeverrapid。”[128]
Candidatesforconversionatrevivalsare，asyouknow，oftendisappointed：theyexperiencenothingstriking。ProfessorCoehadanumberofpersonsofthisclassamonghisseventy-sevensubjects，andtheyalmostall，whentestedbyhypnotism，provedtobelongtoasubclasswhichhecalls“spontaneous。”thatis，fertileinself-suggestions，asdistinguishedfroma“passive“
subclass，towhichmostofthesubjectsofstrikingtransformationbelonged。Hisinferenceisthatself-suggestionofimpossibilityhadpreventedtheinfluenceuponthesepersonsofanenvironmentwhich，onthemore“passive“subjects，hadeasilybroughtforththeeffectstheylookedfor。Sharpdistinctionsaredifficultintheseregions，andProfessorCoe’snumbersaresmall。Buthismethodswerecareful，andtheresultstallywithwhatonemightexpect；andtheyseem，onthewhole，tojustifyhispracticalconclusion，whichisthatifyoushouldexposetoaconvertinginfluenceasubjectinwhomthreefactorsunite：first，pronouncedemotionalsensibility；second，tendencytoautomatisms；andthird，suggestibilityofthepassivetype；
youmightthensafelypredicttheresult：therewouldbeasuddenconversion，atransformationofthestrikingkind。
Inhisbook，TheSpiritualLife，NewYork，