Hypothesis testing strategies exhibited by 65 counseling trainees were assessed after the trainees viewed and responded to a videotaped client-counselor interaction. Participants' hypothesis testing strategies were assessed for both a client-identified (experimenter-provided) and a counselor self-generated hypothesis about the client's problem. Results for the client-identified hypotheses failed to support either the previous finding of a strong neutral hypothesis testing strategy (e.g., D. C. Hayden, 1987;D. C. Strohmer & A. L. Chiodo, 1984) or the predicted confirmatory bias. Results for the self-generated hypotheses did reveal a strong confirmatory tendency across 5 analogue interviewing behaviors-with mean response percentages of 64% confirmatory, 21% neutral, and 15% disconfirmatory-and contradict prior research indicating that counselors do not exhibit a confirmatory bias in hypothesis testing.The counseling trainee who meets a new client is faced with a complex, highly ambiguous task in attempting to discern that client's problem. For the counselor, problem identification is an inferential task that involves drawing on current knowledge and intuition in generating and then testing a hypothesis about a client's concern. As Leary and Miller (1986) pointed out, Counselors are not simply the passive recipients of whatever information their clients wish to divulge. Rather, they actively seek information, integrate that information to form ideas about the client and his or her dysfunction, and seek to test their hunches by gathering new information, (p. 135)Research in social psychology has found that inferential decisions are frequently characterized by systematic error. Work by Snyder and his colleagues (Snyder & Campbell, 1980;Snyder, Campbell, & Preston, 1982;Snyder & Swann, 1978;Swann & Giuliano, 1987) has demonstrated that people are susceptible to a confirmatory bias in gathering information to test their hunches, or hypotheses, about others. Confirmatory bias is one of three hypothesis testing strategies that may characterize a perceiver's information search (Pepinsky & Pepinsky, 1954;Popper, 1959) and can be defined as a search for information that is consistent with the This article is based on Beth E. Haverkamp's doctoral dissertation, completed under the supervision of Jo-Ida C. Hansen at the