This study using the wrong number technique focussed on the effects of sex of caller, sexual orientation of caller, and urgency on the altruistic response of making a call. In a 2 (sex) x 2 (heterosexual or homosexual) x 2 ("last quarter" or "no more change") factorial design the dependent variable was the number of seconds taken for a return telephone call. A woman or man asking for a boyfriend or girlfriend were helped faster than homosexual ones. Further research exploring the ways people of different sexual orientations are responded to is recommended.
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