 However, this assumption has gone primarily untested with the exception of Notarius Levenson( 1979 ) , whose research found that internalizers are more physiologically reactive to emotional stimuli than externalizers.
<clarity>  However, this assumption has gone primarily untested with the exception of Notarius Levenson( 1979 ) , whose research found that internalizers are more physiologically reactive to emotional stimuli than externalizers.
 However, this assumption has gone primarily untested with the exception of Notarius a 1979 ) , whose research found that internalizers are more physiologically reactive to emotional stimuli than externalizers.