When is it OK to lie about your identity?

Dear Ethics Talk:

My boss asked me to do telephone research. After two frustrating hours, I told her that few people were willing to speak with me. She told me to present myself as a student doing research.

This makes me uncomfortable. Please help. Signed: Dislike Misrepresenting Myself

Dear Dislike Representing Myself:

This situation is like asking me, “May I drive five miles over the speed limit?” I shouldn’t say “yes,” but realize that many people do so at small risk to themselves and others.

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