I examine scope interaction between a wh-phrase and a quantified phrase (QP). Sloan-type sentences in Japanese are also discussed, based on Motomura’s analysis on zibun ‘self’. I show that Sloan’s original proposal is empirically inadequate, and propose an analysis based on the Hornstein/Kayne-type analysis of bound pronouns. One consequence is that scope determination must be understood to occur derivationally, based on the asymmetrical relationship between a wh-phrase and a QP at one point in the derivation. Also, only QPs collocated with an unchecked Case feature can be a probe for Q-absorption.