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Thibaut and Walker's claim that criminal courtroom proceedings are subject to pervasive recency effects was experimentally investigated. Previous research on order effects in a legal setting is critically reviewed; it is argued that this research fails to provide adequate simulation of courtroom protocol. An experiment was designed to retain the structure of a criminal trial while manipulating witness and testimony order. In contrast to earlier research, primacy effects were found. The greatest number of guilty verdicts by simulated jurors occurred when the strongest “guilty” witnesses and “guilty” testimony by these witnesses came first. These results are discussed with respect to (a) witness and testimony order, (b) length of case, and (c) type of case used.